CN108175579A - Breeches type disposable diaper and its manufacturing method - Google Patents
Breeches type disposable diaper and its manufacturing method Download PDFInfo
- Publication number
- CN108175579A CN108175579A CN201711267124.6A CN201711267124A CN108175579A CN 108175579 A CN108175579 A CN 108175579A CN 201711267124 A CN201711267124 A CN 201711267124A CN 108175579 A CN108175579 A CN 108175579A
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- China
- Prior art keywords
- sheets
- exterior body
- exterior
- shoestring
- disposable diaper
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51394—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability creating a visual effect, e.g. having a printed or coloured topsheet, printed or coloured sub-layer but being visible from the topsheet, other than embossing for purposes of bonding, wicking, acquisition, leakage-prevention
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15544—Permeability
- A61F2013/15552—Air permeability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F2013/51377—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having decoration properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Dermatology (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present invention provides Breeches type disposable diaper and its manufacturing method, and in Breeches type disposable diaper, the part not overlapped with absorption component is relatively thin and suitable flexible, also, the part overlapped with absorption component is excellent in soft sense of touch this aspect.The above subject is resolved by following proposal, and a kind of Breeches type disposable diaper has:Front side exterior body;Rear side exterior body;And it is built-in with the built-in body of absorption component, it, which is installed into from front side exterior body, spreads to rear side exterior body, the Breeches type disposable diaper has the sheets being made of non-woven fabrics, the sheets in the longitudinal direction extends by width direction center side and to pass through the position of the both side edges than absorption component than the mode that the outside lamella in exterior body is located in the outer part, in the position of the both side edges than absorption component by locating in the outer part on the outside of width direction and than the outside lamella in exterior body, without the non-woven fabrics other than sheets, inner surface about sheets, in the region other than rear ends, at least both side ends are adhered to opposed faces by hot-melt adhesive.
Description
Technical field
The present invention relates to Breeches type disposable diaper and its manufacturing methods.
Background technology
In general, Breeches type disposable diaper has:Exterior body separates or is integrally formed front portion with after
Body part;With the built-in body for including absorption component, exterior is installed in a manner of being spread from front portion to rear body section
The both sides edge of body, the both sides edge of the exterior body of front portion and the exterior body of rear body section is joined together and forms side
Waist opening and pair of right and left leg opening is consequently formed in envelope portion.
In such Breeches type disposable diaper, in order to improve the fitness for being directed to body, exterior body is made to be formed as having
There is a stepped construction of multiple lamellas, also, between various elastomeric elements are mounted on the lamella with elongation state, wherein, it is following
Structure it is higher relative to the fitness of body:The waist area for being determined as front-rear direction range corresponding with side seal portion,
Or in the intermediate region between front and rear waist area, interval and respectively to stretch in the width direction in the longitudinal direction
Long state is equipped with the elongate elastomeric element along width direction, so as to form stretching region (referring for example to patent document 1
~5).
In addition, in general Breeches type disposable diaper, the ratio absorption component in exterior body is by the outside of width direction
Region is required rich in retractility, it is preferred, therefore, that the ratio absorption component in exterior body is by the region on the outside of width direction
In, the inside lamella adjacent with the inner side and outer side of elastomeric element and outside lamella are using thin non-woven fabrics respectively, in order to avoid damage
Retractility is thickening.On the other hand, in order to inhibit when with built-in body at the part closed in exterior body with built-in weight
Caused very hard feel, it is preferred that inside lamella and outside lamella use the non-woven fabrics with soft thickness.
But since previous exterior body is formed by continuous piece in the direction of the width, and with connecting in the direction of the width
Continuous stepped construction, therefore, it is impossible to make to have with part that absorption component overlaps and the part not overlapped with absorption component opposite
Characteristic.
Patent document 1:Japanese Unexamined Patent Publication 2004-073428 bulletins
Patent document 2:Japanese Unexamined Patent Application Publication 2006-525857 bulletins
Patent document 3:Japanese Unexamined Patent Publication 2011-147516 bulletins
Patent document 4:Japanese Unexamined Patent Publication 2014-028308 bulletins
Patent document 5:No. 4964993 bulletins of Japanese Patent Publication No.
Patent document 6:Japanese Unexamined Patent Publication 2001-000478 bulletins
Patent document 7:Japanese Unexamined Patent Application Publication 2001-517098 bulletins
Patent document 8:Japanese Unexamined Patent Publication 2005-315651 bulletins
Invention content
Therefore, major subjects of the invention are to provide following Breeches type disposable diaper:It is not overlapped with absorption component
Part it is relatively thin and suitable flexible, also, the part overlapped with absorption component is excellent in soft sense of touch this aspect.
The representative mode for solving the present invention of the above subject is as follows.
The 1st mode > of <
A kind of Breeches type disposable diaper, has:Exterior body forms at least waist area of front portion and rear body
Partial at least waist area;With the built-in body for being built-in with absorption component, to be spread from front portion to the side of rear body section
Formula is installed on exterior body, and the exterior body has:Elastomeric element;The inside lamella adjacent with the inside of the elastomeric element;With
And the outside lamella adjacent with the outside of the elastomeric element, the both sides of the exterior body of front portion and rear body section
The both sides of the exterior body are respectively adjoined together and are formed the leg opening of waist opening and pair of right and left, which is characterized in that institute
Stating Breeches type disposable diaper has the sheets being made of non-woven fabrics, and the sheets is to pass through the both side edges than the absorption component
The mode located in the outer part by width direction center side and than the outside lamella in the exterior body of position in front-rear direction
Upper extension is leaned on than the position of the both side edges of the absorption component on the outside of width direction and than the outside in the exterior body
Lamella is located in the outer part, without the non-woven fabrics other than the sheets, about the inner surface of the sheets, in addition to rear ends it
In outer region, at least both side ends are adhered to opposed faces by hot-melt adhesive.
(function and effect)
In this mode, additionally overlapping is pasted with the sheets that is made of non-woven fabrics on exterior body, and the sheets is to wear
Width direction center side and the side located in the outer part than the outside lamella in exterior body are leaned in the position for crossing the both side edges than absorption component
Formula extends in the longitudinal direction, also, in the position of the both side edges than absorption component by the outside of width direction and than in exterior body
The outside lamella locate in the outer part, without the non-woven fabrics other than sheets, therefore, the part not overlapped with absorption component is relatively thin
And it is suitble to stretch, also, the part overlapped with absorption component is excellent in soft sense of touch this aspect.
Moreover, in the case where only overlappingly pasting additional non-woven fabrics in the outside of exterior body, when exterior body is in width
When stretching on direction, there are following worries:The non-woven fabrics and the seam of exterior body overlappingly pasted become obvious or overlappingly
The side end of the non-woven fabrics of stickup is easily peeled off.Particularly, if the side end of sheets is positioned at the low part of rigidity or easily
It deforms, even if being then adhered to opposed faces it can also happen that stripping.If in addition, the side end of sheets easily with dress
The leg friction of person, then peeling-off worry higher, and also there is following worry:Step difference causes skin sense of touch to deteriorate.With
This is opposite, and in this mode, the side end of sheets is higher than surrounding without easily deforming and being not easy and wear positioned at rigidity
In the region of the leg friction of person, it is difficult to remove accordingly, with respect to the bonding of opposed faces, and skin sense of touch is not easy to deteriorate.Separately
Outside, since the side end of sheets is adhered to opposed faces, boundary seamlessly realize integration and unobtrusively.
Moreover, in this mode, the width direction range of sheets is located at the region with absorption component, i.e. natively than week
It encloses in thick and flexibility and the low region of gas permeability, therefore, as the increase of the thickness caused by sheets and thus caused soft
Soft and gas permeability reduction hardly becomes problem certainly.
The 2nd mode > of <
According to the Breeches type disposable diaper of the 1st mode, wherein, the inside lamella and outside lamella are non-woven fabrics, institute
The fiber-wall-element model for stating inside lamella, outside lamella and sheets is width direction.
(function and effect)
In this way, if inside lamella, outside lamella were consistent in the direction of the width with the fiber-wall-element model of sheets, drawing in length and breadth
It is close to stretch elongation (or aspect ratio of tensile elongation), therefore, when deforming in use, inside lamella, outside
Lamella and sheets can integrally deform, and the seam for overlapping the sheets pasted on ground and exterior body is not easy obvious, and sheets
Side end be difficult to remove.
The 3rd mode > of <
According to the Breeches type disposable diaper of the 1st or 2 modes, wherein, the leading edge of the sheets is located at than the absorption structure
The leading edge of part leans on the position of rear side, and the rear of the sheets leans on the position of front side positioned at the rear than the absorption component.
(function and effect)
The leading edge and rear of sheets if located in the low part of rigidity or easily deform, then easily from opposed faces point
From even if being adhered to opposed faces, there is also peeling-off worries.Also, if the leading edge and rear of sheets are divided from opposed faces
From or stripping, then the gauffer of the boundary part of sheets and exterior body easily become it is obvious and as unnatural appearance.With this phase
Right, in this 2nd mode, it is higher than surrounding and do not allow that the leading edge and rear of sheets are located at the region with absorption component, i.e. rigidity
In the region easily to deform, therefore, it is difficult to detach or remove from opposed faces, so as to prevent following situation:Sheets and outside
The gauffer of the boundary part of lamella becomes apparent and becomes unnatural appearance.
The 4th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~3, wherein, the sheets in front portion and
At least one party of rear body section is open towards waist to be extended, and turn back on the inside of the inside lamella in waist opening.
(function and effect)
The leading edge and rear of sheets are not exposed in product external surfaces, and appearance becomes good.In addition, sheets is less likely to occur
Leading edge and rear and clothes friction and situation about removing.
The 5th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~4, wherein, the exterior body has:It is non-to stretch
Contracting region is arranged at the width direction middle part in the region overlapped with the absorption component;And stretching region, it is set
In the width direction both sides in the non-telescoping region, the sheets is arranged in the range of the width direction in the non-telescoping region.
(function and effect)
If be set to sheets in the range of the width direction in non-telescoping region like this, in the range of entire sheets
Gauffer is all less, and aesthetics is excellent.In contrast, it if sheets extends to stretching region, is also formed in sheets and shrinks wrinkle
Pleat, therefore, the side end of sheets is easily peeled off or gauffer is significantly and as unnatural appearance.
The 6th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~5, wherein, in the described outer of the exterior body
Decorative pattern plate is folded between lateral plate layer and the sheets, the decorative pattern plate has adjacent with the inner surface of the sheets
Decorating printing.
(function and effect)
In this mode, decorative pattern plate is folded between the outside lamella and sheets of exterior body, cover can be extended only through
Piece perspective ground observation decorating printing, therefore the visual confirmation of decorating printing is high.
The 7th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~6, wherein, the Breeches type disposable diaper
After the front side exterior body for dividually having at least waist portion for forming front portion and at least waist portion for forming rear body section
Side exterior body is used as the exterior body, and the front side exterior body and rear side exterior body are in front-rear direction middle in front-rear direction
Upper separation, the built-in body have the opaque liquid piece for the back side for covering the absorption component, and the opaque liquid piece has
The exposed portion that at least width direction middle part at the back side of the built-in body exposes, the opaque liquid piece is in the dew
Go out in the region between front side exterior body and rear side exterior body of part to have the decorative pattern plate of decorating printing, the cover
Piece at least extends to the rear side exterior body from the front side exterior body in the longitudinal direction.
(function and effect)
In the case of to having the opaque liquid piece for the exposed portion exposed at the back side of built-in body to implement decorating printing,
If using two segmenting structure of exterior as the method, and make the decorating printing of opaque liquid piece in front side exterior body and rear side
Expose at the part that exterior body detaches in the longitudinal direction, then at the part covered using sheets to it, cover can be extended only through
See decorating printing, therefore the visual confirmation of the decorating printing of opaque liquid piece can be improved in piece perspective ground.In addition, due to cover
Piece at least extends to rear side exterior body in the longitudinal direction from the exterior body of front side, therefore as throughout front side exterior body and rear side
The continuous appearance of exterior body and skin sense of touch.
The 8th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~7, wherein, the inside lamella and lateral film
Layer is non-woven fabrics, and inside lamella described in the thickness ratio of the sheets and the respective thickness of the outside lamella are thick.
(function and effect)
The part not overlapped as a result, with absorption component is thinner and suitable flexible, also, the part overlapped with absorption component exists
Soft sense of touch this aspect is more excellent.
The 9th mode > of <
The Breeches type disposable diaper of arbitrary 1 mode in the 1st~8, wherein, the sheets is at spaced intervals
It is provided with the apertured nonwoven cloth in the hole of multiple perforation positive and negatives.
(function and effect)
If sheets is such apertured nonwoven cloth, gas permeability, flexibility, bulkiness (soft sense) can not only be improved
Deng being also easy to see the decorating printing of opaque liquid piece.
The 10th mode > of <
A kind of manufacturing method of Breeches type disposable diaper is the manufacturer of the Breeches type disposable diaper of the 1st mode
Method, which is characterized in that the manufacturing method of the Breeches type disposable diaper includes:It is band-like to form exterior for exterior body assembling procedure
Body on the exterior shoestring, becomes the part of the exterior body in a manner that its width direction is consistent with MD directions in MD side
It is repeatedly continuous upwards;Built-in body installation procedure conveys described outer in a manner that the width direction of diaper becomes MD directions on one side
Fill shoestring, on one side by the built-in body under the unfolded state being separately manufactured out be engaged in successively on the exterior shoestring into
For the position of each exterior body, it is consequently formed built-in group continuous in the MD direction with unfolded state as the part of each diaper
Fill body;Sheets bonding process, the sheets is adhered to the exterior shoestring at spaced intervals in the MD direction with it is described
On the face of the opposite side in the composition surface of built-in body;Folding process, by the built-in assembly doubling in the cd direction, thus shape
Folding shoestring in pairs;And side engagement cuts off process, in the portion of the both sides as each diaper of the doubling shoestring
Office makes the exterior body of the front portion and the exterior body of rear body section be bonded together, also, on the boundary of each diaper
Place cuts off the exterior body of the front portion and the exterior body of rear body section, obtains each diaper, and work is bonded in the sheets
In sequence, it will convey along its continuous direction in the shoestring of band-like continuous sheets, continuously will in the MD direction on one side on one side
On the bonding plane relative to the exterior shoestring of shoestring of the hot-melt adhesive coated on the sheets, then, in MD side
Spaced up compartment of terrain cuts into each sheets, and the sheets after this is cut off is adhered to described outer at spaced intervals in the MD direction
On the face for filling the side opposite with the composition surface of the built-in body of shoestring.
(function and effect)
Sheets is being installed in the form at the back side of built-in body as in the past, the MD directions quilt of the assembly line of built-in body
As the front-rear direction of built-in body, when pasting sheets, the front-rear direction of sheets is also set to MD directions.In this case, it is difficult
It is correct and be ultimately coated on the lateral margin of sheets will be used to pasting the hot-melt adhesive of sheets, accordingly, it is difficult to as described above
Hot-melt adhesive is applied in the both side ends of sheets.
It in contrast,, can be in width other than the rear ends of sheets if pasting sheets as the method
Until the lucky lateral margin that hot-melt adhesive is continuously applied to sheets on direction, the spilling of hot-melt adhesive can be not present
The side end of sheets is firmly adhered to opposed faces.Thus, it is possible to it is easily manufactured by the pants-type disposable urine of the 1st mode
Cloth.
The 11st mode > of <
According to the manufacturing method of the Breeches type disposable diaper of the 10th mode, wherein, before the sheets bonding process
With resin film bonding process, in the resin film bonding process, the resin film for implementing decorating printing is adhered to the cover
The shoestring of piece on the bonding plane of the exterior shoestring, in the sheets bonding process, in the MD direction continuously
Ground hot-melt adhesive is coated on the shoestring of the sheets for being bonded with the resin film in face of the exterior shoestring
On bonding plane, then, cut into each sheets at spaced intervals in the MD direction, the sheets after this is cut off in the MD direction every
Compartment of terrain is opened to be adhered on the face of the side opposite with the composition surface of the built-in body of the exterior shoestring.
(function and effect)
In this mode, after resin film is pasted on the shoestring of sheets, each sheets is cut, and pasted
In exterior shoestring, therefore, the rigidity of each sheets after cut-out is correspondingly increased with resin film, therefore, opposite
When exterior shoestring is discontinuously pasted, dimensionally stable can realize stable stickup.
The 12nd mode > of <
According to the manufacturing method of the Breeches type disposable diaper of the 10th or 11 modes, wherein, in the sheets bonding process
There is perforation process, in the perforation process, the shoestring of the sheets by being directed to the sheets bonding process before
Supply line formed at spaced intervals in the sheets it is multiple perforation positive and negatives holes.
(function and effect)
If sheets is such apertured nonwoven cloth, gas permeability, flexibility, bulkiness (soft sense) etc. can be improved,
Therefore preferably.In this case, can be used as sheets using pre-processed apertured nonwoven cloth, but in order to cut down material into
This, it is preferred to be processed in manufacturing line.But in the case where implementing perforation processing to non-woven fabrics, the speed of processing line
Degree is faster, is more difficult to steadily carry out high-precision processing.In this regard, in the sheets bonding process of above-mentioned manufacturing method, due into
Row cut-out and interruption paste and so that the feed speed for sheets bonding process of the shoestring of sheets is slack-off, therefore, if
The perforation process for being directed to sheets is performed on the supply line of the shoestring of the sheets for sheets bonding process as the method,
It can then realize stable perforation processing.
As described above, according to the present invention, have many advantages, such as to become following Breeches type disposable diaper:Not with absorbing structure
The part that part overlaps is relatively thin and suitable flexible, also, the part overlapped with absorption component is excellent in soft sense of touch this aspect.
Description of the drawings
Fig. 1 is the vertical view for the inner surface for showing the Breeches type disposable diaper under unfolded state.
Fig. 2 is the vertical view for the outer surface for showing the Breeches type disposable diaper under unfolded state.
Fig. 3 is the sectional view along the 2-2 lines in Fig. 1.
Fig. 4 is the sectional view along the 3-3 lines in Fig. 1.
Fig. 5 (a) is along the sectional view of the 4-4 lines in Fig. 1, and Fig. 5 (b) is the sectional view along the 5-5 lines in Fig. 1.
Fig. 6 is the stereogram (hole is omitted) of Breeches type disposable diaper.
Fig. 7 is the vertical view for the outer surface for showing the built-in body under unfolded state.
Fig. 8 is the vertical view for showing the outer surface of the built-in body under unfolded state together with the profile of exterior body.
Fig. 9 (a) is along the sectional view of the 4-4 lines in Fig. 1, and Fig. 9 (b) is the sectional view along the 5-5 lines in Fig. 1.
Figure 10 is the sectional view along the 2-2 lines in Fig. 1.
Figure 11 is the vertical view for the outer surface for showing the Breeches type disposable diaper under unfolded state.
Figure 12 is the vertical view for the outer surface for showing the Breeches type disposable diaper under unfolded state.
Figure 13 (a) is along the sectional view of the 4-4 lines in Figure 12, and Figure 13 (b) is the sectional view along the 5-5 lines in Figure 12.
Figure 14 (a) is the stereogram shown with the hole of hole non-woven fabrics, and Figure 14 (b) is the vertical view shown with the hole of hole non-woven fabrics
Figure, Figure 14 (c) is the sectional view along the 8-8 lines in Figure 14 (b).
Figure 15 (a) is the stereogram shown with the hole of hole non-woven fabrics, and Figure 15 (b) is the vertical view shown with the hole of hole non-woven fabrics
Figure, Figure 15 (c) is the sectional view along the 8-8 lines in Figure 15 (b).
Figure 16 (a) is the stereogram shown with the hole of hole non-woven fabrics, and Figure 16 (b) is the vertical view shown with the hole of hole non-woven fabrics
Figure, Figure 16 (c) is the sectional view along the 8-8 lines in Figure 16 (b).
Figure 17 (a)-Figure 17 (e) is the pith enlarged plan view of apertured nonwoven cloth.
Figure 18 (a) and Figure 18 (c) is the sectional view of the bonding portion of sheets, and Figure 18 (b) and Figure 18 (d) are the bondings of sheets
Partial vertical view.
Figure 19 is the vertical view for showing variation of the hot-melt adhesive in coating.
Figure 20 (a) is the flow chart of the manufacturing equipment of Breeches type disposable diaper, and Figure 20 (b) is the change for showing assembled state
The vertical view of change.
Figure 21 (a), Figure 21 (b) are the decomposition assembling figures for the pith for showing stepped construction.
Figure 22 is the decomposition assembling figure for the pith for showing stepped construction.
Figure 23 is the sectional view along the 2-2 lines in Fig. 1.
Figure 24 is the sectional view along the 3-3 lines in Fig. 1.
Figure 25 (a) is along the sectional view of the 4-4 lines in Fig. 1, and Figure 25 (b) is the sectional view along the 5-5 lines in Fig. 1.
Label declaration
11:Opaque liquid piece;12A:Side seal portion;12B:Rear side exterior body;12F:Front side exterior body;12H:Inside lamella;
12S:Outside lamella;13:Sheets;14:Hole;17:Waist elastic members;18:Excess resilient component;200:Built-in body;201、
202:Interior outer engaging portions;27:Decorating printing;30:Top flat;301:Elastomeric element cut off operation;302:Built-in body installation procedure;
303:Sheets bonding process;304:Waist is turned back process;305:Resin film bonding process;306:Perforation process;40:Intermediate;
50:Absorption component;56:Absorber;58:Package panel;60:Three-dimensional rivel portion;60A:Distal portion;60B:Root side part;62:
Rivel portion non-woven fabrics;67:Lodge part;A1:Non-telescoping region;A2:Stretching region;B:Rear body section;C:Buttocks cover portion;F:Before
Body part;L:Intermediate region;LD:Front-rear direction;T:Waist area;U:Waist lower section;W:Waist;WD:Width direction;WO:Waist
Opening;25:Printed sheet.
Specific embodiment
In the following, embodiments of the present invention are described in detail with reference to attached drawing.Point line part in sectional view represents
It is to utilize hot melt as the bonding agent of engagement means that each component parts for being located at its face side and back side is bonded together
The whole face coating of bonding agent, threadiness (ビ ー De) apply, curtain (カ ー テ Application) coating, key position (サ ミ ッ ト) coating or spiral
Coating or pattern are coated with (passing through the transfer for the hot-melt adhesive that relief printing plate mode is realized) etc. to be formed, alternatively, elastomeric element
Fixed part be to replace the bonding agent or together with the bonding agent using applying rifle or gluing coating etc. to elastomeric element
Peripheral surface is applied and is formed.As hot-melt adhesive, for example there is EVA systems, adhesive rubber system (elastic system), alkene
The bonding agent of the types such as system, polyester-polyamide system uses in which can need not be particularly limited to.It is joined together as by each component parts
Engagement means, the means of heat-sealing or ultrasonic sealing etc. based on material welding can also be used.
Fig. 1~Fig. 8 shows an example of Breeches type disposable diaper.This Breeches type disposable diaper has:Form predecessor
The front side exterior body 12F of at least waist portion of part F;Form the rear side exterior body 12B of at least waist portion of rear body section B;With
And the built-in body 200 of absorption component 50 is built-in with, to extend to rear side exterior body by portion between crotch from front side exterior body 12F
The mode of 12B is installed on exterior body 12F, 12B, the both sides of front side exterior body 12F and the both sides engagement of rear side exterior body 12B
Get up and form side seal portion 12A, become the waist for wearer by the opening that the rear ends of exterior body 12F, 12B are formed as a result,
By waist be open WO, in the width direction both sides of built-in body 200, by the lower edge of exterior body 12F, 12B and the side of built-in body 200
The part that edge surrounds respectively become for leg by leg opening LO.Built-in body 200 is to absorb the part for keeping the excretas such as urine etc.,
Exterior body 12F, 12B are the supporting masses for undertaking following function:Relative to the built-in body 200 of the body bearing of wearer.In addition, label
Y represents that the overall length of the diaper under unfolded state (is open WO from the waist of edge to the rear body section B of the waist of front portion F opening WO
Edge front-rear direction length), label X represent unfolded state under diaper overall with.
The Breeches type disposable diaper of present embodiment has waist area T and intermediate region L, and waist area T is true
It is set to the front-rear direction range (from waist opening WO to the front-rear direction range of the upper end of leg opening LO) with side seal portion 12A, it should
Intermediate region L be confirmed as being formed the part of leg opening LO front-rear direction range (front portion F with side seal portion 12A
Between front-rear direction region and the front-rear direction region with side seal portion 12A of rear body section B).Waist area T can be conceptual
Ground is divided into the waist W for the edge to form waist opening and than its part on the lower i.e. waist lower section U.In general, in waist area T
The interior changed boundary of dilation matrices (for example, the thickness of elastomeric element and elongation change) with width direction WD
In the case of, than becoming waist W near part of the boundary of waist opening WO sides by waist opening WO sides, on not such boundary
In the case of, become waist W by the side of waist opening WO than absorber 56 or built-in body 200.Their front-rear direction length root
It is different according to the size of product, it can be suitably determined, enumerate an example, waist W can be 15~40mm, and waist lower section U can be
65~120mm.On the other hand, the both side edges of intermediate region L narrow into U-shaped in a manner of around the leg along wearer
Or curve-like, it is the position stretched into for the leg of wearer at this.As a result, the Breeches type disposable diaper of unfolded state is whole
The bodily form becomes general hourglass shape.
(built-in body)
Arbitrary shape may be used in built-in body 200, but is rectangle in the mode of diagram.Such as Fig. 3~Fig. 5 (b) institutes
Show, built-in body 200 has:Absorption component 50;With the top flat 30 of the liquid permeability of the face side of covering absorption component, built-in body is load
The main body of negative absorption function.Label 40 represents the liquid for making to have penetrated top flat 30 and rapidly moves and set to absorption component 50
Put the intermediate (second) between top flat 30 and absorption component 50, label 60 represents that prevent excreta from leaking to built-in
The both sides of body 200 and the three-dimensional rivel stretched out in a manner of being contacted around the leg with wearer from the both sides of built-in body 200
Portion 60.
(top flat)
Top flat 30 has the property for making penetration by liquid, such as can enumerate hole or non-porous non-woven fabrics, porosity modeling
Tablet etc..In addition, which kind of the raw fibre of non-woven fabrics therein be not particularly limited for.Such as may be exemplified out polyethylene or
The days such as regenerated fibers, the cottons such as the synthetic fibers such as the olefin-baseds such as polypropylene, Polyester, polyamide-based, staple fibre or copper ammonia fiber
Right fiber etc. or two or more composite fibre in them, composite fibre etc. are used.In addition, non-woven fabrics can pass through
It is any to process to be manufactured.As processing method, well known method can exemplify for example spun lacing method, spun-bond process, Hot rolling,
Meltblown, needle point method, hot wind method, point bonding etc..If for example, pursuing flexible, drapability, spun-bond process, spun lacing method are preferred
Processing method, if pursuing bulkiness, flexibility, hot wind method, point bonding, Hot rolling are preferred processing methods.
Also, top flat 30 can be made of a piece, can also be as the stacking as obtained from being bonded the piece of two or more
Piece is formed.Similarly, top flat 30 can be made of in the in-plane direction a piece, can also be made of the piece of two or more.
The both sides of top flat 30 surface side that can support or oppose in the lateral margin of absorption component 50 is turned back, in addition can not also turn back but
Lateral margin than absorption component 50 is also stretched out to side.
For top flat 30, for the purpose of preventing the position offset relative to back side sidepiece part, it is desirable to pass through heat-sealing, ultrasound
Bomi envelope such engagement means or hot-melt adhesive based on material welding, are fixed on the adjacent portion in overleaf side by top flat 30
On part.In the mode of diagram, top flat 30 is fixed on the front of intermediate 40 by being coated in the hot-melt adhesive at its back side
On the front of the part of the face side positioned at absorber 56 in package panel 58.
(intermediate)
In order to make rapidly to be moved to absorber through the liquid after top flat 30, the penetration speed of liquid can be set than top
The fast intermediate of piece 30 (also referred to as second) 40.The intermediate 40 is used for following purposes:Liquid is made rapidly to be moved to absorber
Absorbent properties that are dynamic and improving absorber, and prevent absorbed liquid from absorber flow back the phenomenon that.Centre can also be omitted
Piece 40.
As intermediate 40, can exemplify the material identical with top flat 30 or spunlace non-woven cloth, spun-bonded non-woven fabrics,
SMS non-woven fabrics, paper pulp non-woven fabrics, the mixing tab of paper pulp and staple fibre, point bonded non-woven fabrics or crepe paper.Particularly hot-wind nonwoven cloth
It is very bulk, it is therefore preferred.For hot-wind nonwoven cloth, it is preferable to use the composite fibre of core sheath structure, in this case, core institute
The resin used can be polypropylene (PP), but the preferably high polyester of rigidity (PET).The weight of unit area is preferably 17~
80g/m2, more preferably 25~60g/m2.The thickness of the raw fibre of non-woven fabrics is preferably 2.0~10dtex.In order to make non-woven fabrics
It is bulk, as raw fibre all or part of composite fibre, it is preferable to use core not center core shift fiber, hollow fibre
Dimension or core shift and hollow fiber.
The intermediate 40 of the mode of diagram is shorter than the width of absorber 56 and configuration is to center, may be set to be throughout whole
A width.The front-rear direction length of intermediate 40 can be identical with the overall length of diaper, can also be with the length phase of absorption component 50
Together, it can also be in the shorter length range centered on the region for receiving liquid.
For intermediate 40, for the purpose of preventing the position offset relative to back side sidepiece part, it is desirable to by sealing, surpassing
Engagement means or hot-melt adhesive based on material welding as sonic seal, it is adjacent to be fixed on overleaf side by intermediate 40
Component on.In the mode of diagram, intermediate 40 is fixed on package panel 58 by being coated in the hot-melt adhesive at its back side
In the face side positioned at absorber 56 part front on.
(three-dimensional rivel portion)
Three-dimensional rivel portion 60 extends along the both sides of built-in body 200 throughout the whole of front-rear direction LD, from built-in body 200
Side to face side erect, prevent side leakage with being contacted around the leg of wearer.
About the three-dimensional rivel portion 60 of the method, root side part 60B is sideling erected towards width direction center side, than centre
Portion is sideling erected by the part 60A of end side towards width direction outside, but three-dimensional rivel portion is without being limited thereto or whole
The appropriate changes such as the mode erected to width direction center side.It is illustrated in more details, the three-dimensional rivel portion 60 of the method
The composition as so following:By the band-like rivel portion non-woven fabrics of the length with the front-rear direction equal length with built-in body 200
62 turn back as being partially located on width direction WD for end and are folded into two parts, also, return portion and its near
Piece between, fix the rivels of more elongates at spaced intervals on width direction WD with the state that alongst extends
Portion's elastomeric element 63.It is in three-dimensional rivel portion 60, positioned at the side opposite with terminal part base end part (on width direction WD with
The end of the opposite side of piece return portion) be integrally fixed at built-in body 200 the side of back side on root portion 65, the root
The part divided other than 65 is the main part 66 (part of return portion side) stretched out from root portion 65.In addition, main part 66
Have:Root side part 60B extends to width direction center side;With distal portion 60A, at the end of root side part 60B
It turns back and extends to width direction outside in end.The method is the three-dimensional rivel portion 60 of face contact type, but can also use not to
The three-dimensional rivel portion 60 of line contact-type turned back on the outside of width direction.Also, the front-rear direction both ends in main part 66 are
Relative to the fixed lodging part 67 of the side surfaces of top flat 30 under lodging state, on the other hand, before between them
Rear direction middle part is unfixed free portion 68, is consolidated along the rivel portion elastomeric element 63 of front-rear direction LD with elongation state
Due at least terminal part of the free portion 68.
In the three-dimensional rivel portion 60 formed as above, the convergent force of rivel portion elastomeric element 63 plays a role and makes
It obtains front-rear direction both ends to approach, but the front-rear direction both ends in main part 66 are fixed in a manner of not erecting, with this
Relatively, be formed as unfixed free portion 68 between the both ends, therefore as shown in figure 3, only free portion 68 with body
The mode that side abuts erects.Particularly, if root portion 65 is located at the back side of built-in body 200, free portion 68 is in crotch
Between portion and its nearby by erecting, therefore three-dimensional rivel portion 60 can be connected to leg week with face in a manner of opening on the outside of width direction
It encloses, so as to which fitness improves.
As rivel portion non-woven fabrics 62, can properly use as needed using silicon etc. to spun-bonded non-woven fabrics (SS, SSS
Deng), SMS non-woven fabrics (SMS, SSMMS etc.), melt spraying non-woven fabrics etc. are soft and uniformity and the excellent non-woven fabrics of concealment are implemented to dredge
The rivel portion non-woven fabrics that water process forms, weight preferably about 10~30g/m of the unit area of fiber2.As rivel portion
Elastomeric element 63 can use rubber covered wire etc..In the case where using spandex rubber covered wire, thickness is preferably 470~1240dtex,
More preferably 620~940dtex.Elongation when fixed is preferably 150~350%, and more preferably 200~300%.In addition,
The value when expression of " elongation " this term makes natural length be 100%.In addition, as illustrated, two can also be folded into
Sandwiched waterproof membrane 64 between partial rivel portion non-woven fabrics 62, in this case, can also be at there are the part of waterproof membrane 64
Rivel portion non-woven fabrics 62 is partly omitted, still, in order to form the appearance of product and skin sense of touch as cloth, is needed as shown
Outer surface until mode at least makes slave cardinal extremity to end in three-dimensional rivel portion 60 like that is formed by rivel portion non-woven fabrics 62.
Make main part 66 three-dimensional rivel portion 60 such as the method from the root side that extends to width direction center side
What the part 60B and distal portion 60A for turning back in the end of root side part 60B and extending on the outside of width direction was formed
Under bending shape, at lodging part 67, distal portion 60A and root side part 60B are bonded together under lodging state, and
And root side part 60B is engaged in top flat 30 under lodging state.Engagement for the opposed faces in lodging part 67, may be used
In the means based on material welding such as hot-melt adhesive and heat-sealing, ultrasonic sealing based on various coating methods at least
It is a kind of.In this case, engagement and the terminal side sections of root side part 60B and top flat 30 can be both carried out with identical means
The engagement of point 60A and root side part 60B can also be carried out with different means.For example, one preferably, pass through
Hot-melt adhesive carries out the engagement of root side part 60B and top flat 30, by material welding carries out distal portion 60A and root
The engagement of side part 60B.
The radical of rivel portion elastomeric element 63 set in the free portion in three-dimensional rivel portion 60 is preferably 2~6, more
Preferably 3~5.Configuration space 60d is appropriate for 3~10mm.If forming like this, easily it is being configured with rivel portion bullet
Property component 63 in the range of with face contact skin.It is not only in end side, rivel portion elastomeric element 63 can also be configured in root side.
At the free portion 68 in three-dimensional rivel portion 60, the patch of la m and outer layer for rivel portion non-woven fabrics 62
The fixation of rivel portion elastomeric element 63 between them is closed or pressed from both sides, the hot melt based on various coating methods may be used and glue
Connect at least one of the fixing means of agent and heat-sealing or ultrasonic sealing etc. based on material welding.If by rivel portion nonwoven
La m and outer layer the whole face fitting of cloth 62, then flexibility can be damaged, it is therefore preferable that not being bonded or being weaker bonded rivel
Part other than the adhesive portion of portion's elastomeric element 63.It is such structure in the mode of diagram:By using coating gun or on
The coating such as glue nozzle means only apply hot-melt adhesive and by the rivel portion elastic portion in the peripheral surface of rivel portion elastomeric element 63
Part 63 is clipped between the la m and outer layer of rivel portion non-woven fabrics 62, as a result, merely with coated in the rivel portion elastomeric element
The hot-melt adhesive of 63 peripheral surface, to carry out rivel portion elastomeric element 63 relative to the la m of rivel portion non-woven fabrics 62 and outer
Fixation between the fixation of side layer and the la m and outer layer of rivel portion non-woven fabrics 62.
Equally, the fixation or lodging of waterproof membrane 64 and rivel portion non-woven fabrics 62 for being fitted into three-dimensional rivel portion 60
The fixation of part 67 may be used hot-melt adhesive and heat-sealing or ultrasonic sealing etc. based on various coating methods and be based on material
Expect at least one of means of welding.
The size in the three-dimensional rivel portion 60 of the method can be suitably determined, but in the case of infant's diaper, example
As shown in figure 3, standing height (the width direction length of the main part 66 under the unfolded state) W2 in three-dimensional rivel portion 60 is excellent
It is selected as 15~60mm, particularly preferably 20~40mm.In addition, by three-dimensional rivel portion 60 with the side of the frontoparallel with top flat 30
Separating distance W1 between innermost broken line is preferably 60~190mm, particularly preferably in a state that formula flatly folds
For 70~140mm.
(absorption component)
Absorption component 50 has:Absorber 56;With the package panel 58 of the entire absorber 56 of cladding.In the shape of absorber 56
Durings excellent situation of shape maintenance etc., package panel 58 can also be omitted as needed.
(absorber)
Absorber 56 can be formed by the aggregate of fiber.As the fiber assembly, in addition to starching continuous official form for filing a lawsuit or synthesizing
The staple fibers such as fiber are carried out except the aggregate that long-pending fibre forms, and can also be used as needed and the synthesis fibre such as Dichlorodiphenyl Acetate cellulose
The tow (fibre bundle) of dimension carries out long filament (filament) aggregate obtained from fibrillation.The weight of unit area as fiber
Amount in the case where carrying out product fibre to continuous official form for filing a lawsuit slurry or staple fiber, such as can be about 100~300g/m2, in long filament set
In the case of body, such as can be about 30~120g/m2.Fineness in the case of synthetic fibers is, for example, 1~16dtex, excellent
It is selected as 1~10dtex, more preferably 1~5dtex.In the case of long filament aggregate, long filament can also be non-crimped fiber, but
It is preferably crimped fibre.The crimpness of crimped fibre for example can be every 2.54 centimetres 5~75, preferably 10~50,
More preferably about 15~50.In addition, in most cases using the crimped fibre equably crimped.It is preferred that in absorber 56
Dispersion keeps superabsorbent polymer particle.
Absorber 56 can be rectangular shape, if but being also formed as shown in Fig. 1 and Fig. 7 etc. in front-rear direction
Centre has the hourglass shape of the width narrowed portion 56N narrower than the front and rear sides among the front-rear direction, then absorber 56 from
Body and three-dimensional rivel portion 60 are improved relative to the fitness around leg, are therefore preferred.
As long as in addition, the size of absorber 56 throughout urination mouth position all around, it is possible to be suitably determined, but preceding
On rear direction LD and width direction WD, preferably extend over to the peripheral part of built-in body 200 or its.In addition, label 56X represents to inhale
The overall with of acceptor 56.
(superabsorbent polymer particle)
It can make some or all containing superabsorbent polymer particle of absorber 56.It polymerize about high-absorbable
Object particle also includes " powder " other than " particle ".As superabsorbent polymer particle 54, can be directly used in this
The superabsorbent polymer particle used in absorbent commodity.The grain size of superabsorbent polymer particle is not particularly limited, but
Desirably such grain size:Such as 500 μm of standard screen (JIS Z 8801-1 are used in execution:2006) screening (vibration 5
Minute) and the execution of the particle to being dropped to below sieve in above-mentioned screening used 180 μm of standard screen (JIS Z 8801-
1:2006) during screening (vibration 5 minutes), remain in the ratio of particle on 500 μm of standard screen as 30 weight % hereinafter, and
The ratio for remaining in the particle on 180 μm of standard screen is more than 60 weight %.
It as the material of superabsorbent polymer particle, can use without particular limitation, but water absorption is more than 40g/g
Material be preferred.As superabsorbent polymer particle, there are starch, cellulose family, the contour absorption of synthesized polymer species
Property polymer particle, can use Starch with Acrylic Acid (salt) graft polymers, starch acrylonitrile copolymer saponified, carboxylic first
The superabsorbent polymers particle such as base sodium cellulosate cross-linking agent and acrylic acid (salt) polymer.As superabsorbent polymer particle
Shape, preferably usually used bulk material shape, but other shapes can also be used.
As superabsorbent polymer particle, it is preferable to use absorption speed is the height of less than 70 seconds, particularly less than 40 seconds
Absorbable polymer particle.If absorption speed is excessively slow, the liquid being easily supplied in absorber 56 returns to absorption
So-called reflux outside body 56.
As superabsorbent polymer particle, it is preferable to use gel strength is the superabsorbent polymer grain of more than 1000Pa
Son.Even if as a result, in the case of the absorber 56 for being formed as bulk, the stickness after liquid absorption can be also effectively inhibited
Sense.
The weight of the unit area of superabsorbent polymer particle can correspond to be wanted according to the purposes of the absorber 56
The uptake asked suitably determines.It is thus impossible to lump together, but can be 50~350g/m2.If the unit plane of polymer
Long-pending weight is less than 50g/m2, it is difficult to ensure uptake.If the weight of the unit area of polymer is more than 350g/m2, then effect satisfy
With.
(package panel)
In the case where using package panel 58, as its material, tissue paper (tissue paper) can be used particularly
Crepe paper, laminated (Port リ ラ ミ) non-woven fabrics, opens foraminate etc. at non-woven fabrics.However, it may be desirable to it is superabsorbent polymer grain
The piece that son is not fallen out.In the case where non-woven fabrics is used to replace crepe paper, particularly preferably hydrophilic SMS non-woven fabrics (SMS,
SSMMS etc.), material can use polypropylene, polyethylene/polypropylene composite material etc..It is expected the weight of unit area for 5~
40g/m2, it is 10~30g/m to be especially desired to2。
The manner of packing of package panel 58 can be suitably determined, but from ease of manufacturing and prevent superabsorbent polymer particle
From the viewpoint of leaking out etc. preceding end edge, preferably such a way:By package panel 58 with surround the front of absorber 56 and
The mode of the back side and two sides is wound into tubular, and makes front and rear exposing of its front and rear edge from absorber 56, and utilizes hot melt
The lap for winding the part overlapped and front and rear exposed portion is joined together by the engagement means such as bonding agent, material welding.
(part for not having opaque liquid piece)
In the form shown in Fig. 3~Fig. 5 (b), at least width direction middle part of built-in body 200 becomes than absorbing structure
Part 50 locates the part 203 without opaque liquid piece 11 in the outer part.That is, in this mode, it was generally disposed at built-in body 200 in the past
, opaque liquid piece 11 that prevent the exudation towards back side be not arranged at built-in body 200.Also, in this mode, by
Absorption component 50 in the width direction both ends for extending to built-in body 200 in the waterproof membrane 64 being built in three-dimensional rivel portion 60
Back side, therefore, width direction both ends become with opaque liquid piece 11 part, however, it can be in three-dimensional pleat
The form of the back side of built-in body 200, this feelings are not extended in pleat portion 60 there is no the form of waterproof membrane 64 or waterproof membrane
Under condition, the width direction of built-in body 200 integrally becomes is locating the portion without opaque liquid piece 11 than absorption component 50 in the outer part
Point.Alternatively, it is also possible to which the waterproof membrane other than the waterproof membrane 64 in three-dimensional rivel portion 60 is set to the width direction than built-in body 200
Absorption component 50 in WD both ends is located in the outer part.
(exterior body)
Exterior body 12F, 12B are by forming the part i.e. front side exterior body 12F of at least waist portion of front portion F and forming
The part of at least waist portion of rear body section B is that rear side exterior body 12B is formed, and front side exterior body 12F and rear side exterior body 12B exist
Side discontinuously detaches on front-rear direction LD between crotch.Separating distance 12d for example can be about 150~250mm.In addition,
As shown in Figure 12-Figure 13 (b), exterior body 12 can also be from front portion F by between crotch up to rear body section B continuously one
Exterior body (exterior is one-piece type).
Exterior body 12F, 12B have front-rear direction range, that is, waist portion corresponding with waist area T.In addition, in the method
In, the length of exterior body 12F on front side of the front-rear direction size ratio of rear side exterior body 12B does not have on the exterior body 12F of front side in
Between the corresponding parts of region L, but rear side exterior body 12B has buttocks cover portion from waist area T to intermediate region L sides that stretched out from
C.Extend although it is not shown, can also become to be also provided on the exterior body 12F of front side from waist area T to intermediate region L sides
Although groin cover portion or setting groin cover portion but be not provided with mode as buttocks cover portion or can not also be
Front side exterior body 12F and rear side exterior body 12B both sides set part corresponding with intermediate region L.In addition, though in diagramatic way
The lower edge of middle buttocks cover portion C and the lower edge of front side exterior body 12F are identically formed as the linear of WD in the width direction, but also may be used
To become with towards width direction outside and close to the curve of waist open side.
As shown in Fig. 4-Fig. 5 (b), exterior body 12F, 12B will be located at by engagement means such as hot-melt adhesive or weldings
What the outside of aftermentioned elastomeric element 15~19 and the outside lamella 12S of inside and inside lamella 12H were joined together.It is formed
The sheet material of outside lamella 12S and the sheet material for forming inside lamella 12H can be a shared sheet material or individual piece
Material.That is, in the former case, it, (can also be between crotch at the edge of WO using being open in waist in part or all of exterior body
At the edge of side) inboard portion of a sheet material turned back and exterior portion be respectively formed inside lamella 12H and outside lamella 12S.
Also, in the former mode, there are sheet material negligible amounts it is such the advantages of, in the mode of the latter, exist when fitting in
The advantages of position offset is such is difficult to happen during lateral plate layer 12H and outside lamella 12S.The mode of diagram is equivalent to the latter, is formed
The sheet material of inside lamella 12H extends only to the edge of waist opening WO, but the sheet material for forming outside lamella 12S bypasses inside lamella 12H
Sheet material waist side edge after to its inside turn back, sides of the return portion 12r to be coated on the waist side end of built-in body 200
Formula extends.
As the sheet material for outside lamella 12S and inside lamella 12H, use, but nonwoven with can need not being particularly limited to
Cloth is preferred, for example, can use following non-woven fabrics, the non-woven fabrics by the olefin-baseds such as polyethylene or polypropylene, Polyester,
It is polyamide-based to wait synthetic fibers or used the compositions such as two or more composite fibre in them, composite fibre.In addition,
Non-woven fabrics can be manufactured by any processing.As processing method, well known method can exemplify such as spun lacing method,
Spun-bond process, Hot rolling, meltblown, needle point method, hot wind method, point bonding etc..In the case where using non-woven fabrics, unit area
Weight preferably about 10~30g/m2.It is further preferred, that for the non-woven fabrics of outside lamella 12S and for inside lamella
The thickness of the non-woven fabrics of 12H is 0.1~0.5mm respectively.
It is further preferred, that total weight per unit area (outside lamella 12S of the non-woven fabrics for exterior body 12F, 12B
The weight of unit area and the sum of the weight of unit area of inside lamella 12H) be about 20~60g/m2。
(stretching region and non-telescoping region)
On exterior body 12F, 12B, in order to improve the fitness for being directed to the waistline of wearer, it is preferred that in outer lateral plate
Elastomeric element 15~19 is equipped between layer 12S and inside lamella 12H, so as to being formed with the flexible of elastomeric element 15~19
The stretching region A2 of elastic telescopic on width direction WD.In stretching region A2, in the state of naturally long, outside lamella
12S and inside lamella 12H are shunk with the contraction of elastomeric element, so as to be formed with gauffer or folds in a garment, as outside lamella 12S and interior
Lateral plate layer 12H can be extended when being extended on the length direction of elastomeric element to defined elongation as follows:The limit is stretched
Length is without gauffer.It, can also other than the elongates such as rubber covered wire elastomeric element (illustrated example) as elastomeric element 15~19
Use band-like, netted, membranaceous etc. well known elastomeric element with being not particularly limited.As elastomeric element 15~19, can use
Synthetic rubber can also use natural rubber.
Fitting or folder for outside lamella 12S and inside lamella 12H in exterior body 12F, 12B are between them
Elastomeric element 15~19 fixation, hot-melt adhesive based on various coating methods and heat-sealing or ultrasonic wave may be used
At least one of fixing means based on material welding such as sealing.If firmly fixing the entire surface of exterior body 12F, 12B,
Flexibility can be damaged, it is therefore preferable that the part for not being bonded or being weaker bonded other than the adhesive portion of elastomeric element 15~19.
It is such structure in the mode of diagram:By using coating gun or gluing nozzle etc. coating means only elastomeric element 15~
19 peripheral surface applies hot-melt adhesive and is clipped between two lamellas 12S, 12H, as a result, merely with coated in the elastomeric element
The hot-melt adhesive of 15~19 peripheral surface, come carry out elastomeric element 15~19 relative to the fixation of two lamellas 12S, 12H and
Fixation between two lamellas 12S, 12H.Elastomeric element 15~19 can be only in stretching region telescopic direction both ends consolidate
Due to outside lamella 12S and inside lamella 12H.
The elastomeric element 15~19 of diagramatic way is illustrated in more details, multiple waist elastic members 17 are whole to spread
A continuous modes of width direction WD are installed on outer at the waist W of exterior body 12F, 12B at spaced intervals in the longitudinal direction
Between lateral plate layer 12S and inside lamella 12H.It is in addition, adjacent with waist lower section U for being disposed in waist elastic members 17
, both can be overlapped with built-in body 200 for 1 or more in region, the width Chong Die with built-in body 200 can also be removed
Direction central portion and be respectively arranged at its width direction both sides.As the waist elastic members 17, it is preferred that with 4~12mm
Interval come set about 3~22 thicknesses for 155~1880dtex be especially preferably about 470~1240dtex (synthesis rubber
The situation of glue.In the case of natural rubber, sectional area is 0.05~1.5mm2, especially preferably about 0.1~1.0mm2)
Rubber covered wire, elongation based on the setting, that waist W is on width direction WD is preferably 150~400%, particularly preferably greatly
About 220~320%.In addition, for waist W, without all using the waist elastic members of identical thickness on its front-rear direction LD
17 or identical elongation is set as, such as the thickness or elongation of elastomeric element 17 can be made in the upper and lower part of waist W
It is different.
In addition, between outside lamella 12S and inside lamella 12H at the waist lower section U of exterior body 12F, 12B, preceding
The more waist lower section elastomeric elements 15,19 being made of elongate elastomeric element are installed at spaced intervals in rear direction.
As waist lower section elastomeric element 15,19, it is preferred that particularly preferably come with 1~15mm with the interval of 3~8mm
About 5~30 thicknesses of setting are especially preferably about 470~1240dtex (situations of synthetic rubber for 155~1880dtex.
In the case of natural rubber, sectional area is 0.05~1.5mm2, especially preferably about 0.1~1.0mm2) rubber covered wire, base
In the setting, elongation that waist lower section U is on width direction WD be preferably 200~350%, particularly preferably about 240
~300%.
In addition, between outside lamella 12S and inside lamella 12H in the buttocks cover portion C of rear side exterior body 12B, installation
There is the cover portion elastomeric element 16 being made of elongate elastomeric element.
As cover portion elastomeric element 16, it is preferred that setting 1 sets more at spaced intervals in the longitudinal direction
Thickness is especially preferably about 470~1240dtex (situations of synthetic rubber for 155~1880dtex.In the feelings of natural rubber
Under condition, sectional area is 0.05~1.5mm2, especially preferably about 0.1~1.0mm2) rubber covered wire, based on the setting, buttocks
Elongations of the cover portion C on width direction WD is preferably 150~300%, and particularly preferably 180~260%.
In the case that groin cover portion is set on the exterior body 12F of front side, cover portion elastomeric element can also be similarly set.
The waist lower section U of mode as shown in Fig. 2 etc. or buttocks cover portion C, in the front-rear direction with absorber 56
In the range of setting elastomeric element 15,16,19 in the case of, in order to prevent absorber 56 in part of it or four corner in width
Spend the contraction on the WD of direction, the width including part or all of the part be overlapped on width direction WD with absorber 56
(entirety for preferably comprising interior outer engaging portions 201,202) is set to non-telescoping region A1, width direction two among degree direction
Side is set to stretching region A2.It is preferred that by waist W throughout width direction WD set overall for stretching region A2, but can also
Non-telescoping region A1 is set among width direction identically with waist lower section U.It is of course also possible to form as shown in figure 11 that
Sample is not provided with non-telescoping region A1 without the cut-out of elastomeric element.
Such stretching region A2 and non-telescoping region A1 can be formed by following manner:By elastomeric element 15~17,
19 supplies are between inside lamella 12H and outside lamella 12S, at the both ends of at least telescopic direction in stretching region A2,
Using hot-melt adhesive secure resilient member 15,16,19, in the region as non-telescoping region A1, it is not fixed elastomeric element
15th, 16,19, and in the region as non-telescoping region A1, among the width direction one at position by pressurizeing and adding
Elastomeric element 15,16,19 is cut off or by pressurizeing the almost whole fine of elastomeric element 15,16,19 and heating by heat
Cut-out, so as to retain retractility in stretching region A2, while retractility is eliminated in non-telescoping region A1.In the former situation
Under, as shown in figure 4, in non-telescoping region A1, it is remaining after continuously being cut off with the elastomeric element 15,16,19 of stretching region A2
Portion remains in outside lamella 12S and inside lamella as excess resilient component 18 in the state of nature length is individually contracted to
Between 12H, in the latter case, although it is not shown, still, continuously being cut with the elastomeric element 15,16,19 of stretching region A2
It has no progeny remainder and the not cut off machine conduct with the elastomeric element 15 of the stretching region A2 of two sides, 16,19 continuous elastomeric elements
Excess resilient component in the state of being individually contracted to nature length between outside lamella 12S and inside lamella 12H is remained in.
(interior outer engaging portions)
It, can be by as heat-sealing, ultrasonic sealing about built-in body 200 relative to the fixation of exterior body 12F, 12B
Engagement means or hot-melt adhesive based on material welding carry out.The built-in body 200 and exterior body 12F, 12B are fixed on
Interior outer engaging portions 201,202 together can be arranged in the almost whole region of the two overlapping, for example, can be arranged on built-in
At the part in addition to width direction both ends of body 200.
(opaque liquid piece)
In this mode, it is also set at place in the outer part than the outside lamella 12S in exterior body 12F, 12B as shown in Figure 21 (b)
The opaque liquid piece 11 being made of resin film is equipped with, which, which covers in built-in body 200, does not have opaque liquid
The entirety of the part 203 of piece 11.This form in this regard with as shown in Figure 21 (a) more inner than exterior body 12F, 12B
The previous form with opaque liquid piece 11 is different at side.In addition, the opaque liquid piece 11 becomes as shown in Figure 2 and Figure 7
The decorative pattern plate of decorating printing 27 has been carried out, in addition to this, dedicated of decoration can also have been included and be not provided with decoration print
Brushing piece.
About opaque liquid piece 11, as long as it can cover the part without opaque liquid piece 11 in built-in body 200
203 entirety, then its front-rear direction and size in width direction and position can suitably determine.In general, about liquid-tight
Property piece 11, in the case of two Splittable of exterior, preferably as shown in Figure 8 the most narrow part of the width of built-in body 200 (
Illustrate form in the case of, be built-in body 200 overall with 200x) width direction in the range of be provided with narrower overall with 11x
The opaque liquid piece, in the case where exterior is one-piece type, preferably as shown in Figure 12 in exterior body 12 and built-in body 200
The larger side of the width of width narrowest part (being exterior body 12 in form is illustrated), width narrowest part width direction
In the range of, which is provided with narrower overall with 11x.In addition, the overall with 11x of opaque liquid piece 11 is preferably than built-in
Big more than the 10mm of overall with of the part 203 without opaque liquid piece 11 of body 200.Particularly, in order to improve anti-leakage, vertical
In the case that body rivel portion 60 has the root portion 65 of the side for the back side for being fixed in built-in body 200, it is preferred that the root
Part 65 and opaque liquid piece 11 have the lap of more than 5mm in the direction of the width.Moreover, form is such as shown,
In form of the three-dimensional rivel portion 60 containing waterproof membrane 64 in root portion 65, it is preferred that the waterproof membrane of root portion 65 and impermeable
Fluidity piece 11 has the lap of more than 5mm in the direction of the width.
The front-rear direction size 11y of opaque liquid piece 11 as shown in Figure 8 with the front-rear direction size of absorption component 50
It is identical, as long as opaque liquid piece is arranged in the range of the front-rear direction identical with absorption component 50, but it is preferred that impermeable
Fluidity piece is longer than absorption component 50 as shown in Fig. 9 (a), Fig. 9 (b) and is arranged on the front-rear direction model bigger than absorption component 50
In enclosing.Opaque liquid piece 11 can also be with the sheets 13 shown in Fig. 9 (a), Fig. 9 (b) in the same manner in waist opening to exterior body
It turns back on the inside of 12F, 12B, still, as shown in figure 8, being only arranged at the feelings in the outside of exterior body 12F, 12B in opaque liquid piece
Under condition, the edge of the waist opening WO sides of opaque liquid piece 11 is preferably made to be detached relative to waist opening WO sides between crotch, particularly preferred position
In the position than waist W by side between crotch.
Particularly in the case of two Splittable of exterior as the method, front side exterior body 12F and rear side exterior body 12B
The position detached on front-rear direction LD corresponds to the supply position of urine, and is the especially important region of anti-leakage.In we
In formula, although opaque liquid piece 11 is located at the outside of exterior body 12F, 12B, in such two segmenting structure of exterior, preceding
At the position that side exterior body 12F and rear side exterior body 12B are detached on front-rear direction LD, can by opaque liquid piece 11 not every
It exterior body 12F, 12B and covers the part 203 without opaque liquid piece 11 in built-in body 200, therefore, urine is not easy
It is impregnated in exterior body 12F, 12B and is exuded to outside.Particularly, have in three-dimensional rivel portion 60 and be fixed in built-in body 200
In the case of root portion 65 on the side of back side, in front side, exterior body 12F and rear side exterior body 12B are on front-rear direction LD
At the position of separation, the root portion 65 in three-dimensional rivel portion 60 and opaque liquid piece 11 can directly be bonded together, so as to
Enough form the excellent structure of anti-leakage.Moreover, because aftermentioned sheets 13 spreads front side exterior body 12F and rear side exterior body 12B
It is configured, therefore is formed as throughout the continuous appearance of front side exterior body 12F and rear side exterior body 12B and skin sense of touch.
The material of opaque liquid piece 11 is not particularly limited, such as may be exemplified out by olefin-baseds such as polyethylene or polypropylene
The plastic foil of the compositions such as resin.For opaque liquid piece 11, it is preferred to use from the viewpoint of prevent it is bored it is wet and it is preferable to use
Material with opaque liquid and penetrability.It is widely used in polyethylene or polypropylene as the plastic film with penetrability
Etc. in olefin-based resins mixing inorganic filler and after being molded slice, it is obtained micro- more along an axis or two axis directions extensions
Permeability plastic film.
The pattern (including the personage to paint with single-point pattern) for decoration, user are attached on opaque liquid piece 11
Method is shown or the marks such as producer or name of product, feature functionality are shown etc. decoration print using auxiliary, the functions such as size
Brush.In the case of the resin film high using opacity to opaque liquid piece 11, need that outer surface is implemented to print, still,
Such as in the case of the resin film for using the transparency high, Printing Department can be also set to the inner surface of opaque liquid piece 11.
In the case where exterior is one-piece type, the inner surface of opaque liquid piece 11 is adhered to by hot-melt adhesive 11H is used as
On the outside lamella 12S of the exterior body of opposed faces, in addition, in the case of two Splittable of exterior, the interior table of opaque liquid piece 11
Face is adhered to the outside lamella 12S and built-in body 200 of front side exterior body 12F and rear side exterior body 12B by hot-melt adhesive 11H
The back side.About opaque liquid piece 11, it is preferred that in the main region other than its rear ends, at least two side ends
Portion's (preferably width direction is whole) is continuously bonded in product length direction.Moreover, make to stand like that in mode as shown
Body rivel portion 60 includes in root portion 65 under the form of waterproof membrane 64, in waterproof membrane 64 and the opaque liquid piece of root portion 65
11 parts overlapped, all adhesive layers between waterproof membrane 64 and opaque liquid piece 11 (are one layer in adhesive layer
In the case of be the layer) width preferably in more than 3mm, particularly preferably in more than 5mm, in the situation that adhesive layer is multilayer
Under, the part that preferably coincides with all adhesive layers, the width of the part which coincides be preferably 3mm with
On.The rear ends of opaque liquid piece 11 are not bonded relative to exterior body 12F, 12B, but can also be between the rear ends
Region bonds together in the same manner with exterior body.
(sheets)
The entire outer surface of opaque liquid piece 11 is covered by the sheets 13 being made of non-woven fabrics.Even if as a result, by liquid-tight
Property piece 11 is set to the outside of exterior body 12F, 12B, product external surfaces as also can forming cloth.In addition, since decoration prints
Brush 27 is arranged at the opaque liquid piece 11, therefore, not only without using dedicated decorating printing 27, although moreover, being energy
Enough decorating printings 27 arrived across 13 fluoroscopic observation of sheets, but decorating printing 27 is close to product external surfaces, can more clearly into
Row visual confirmation.
In form is illustrated, the entire outer surface of opaque liquid piece 11 is covered by a sheets 13, but can also be formed
For:Sheets 13 etc. is set respectively in front portion and rear body section, the entire outer of opaque liquid piece 11 is covered by multiple sheets
Surface.
The front-rear direction range of sheets 13 is not particularly limited, can be identical or bigger with opaque liquid piece 11
Range.Label 13y in figure represents the overall length of sheets 13.For example, it may be:In front portion F and rear body section B at least
One side, as shown in Fig. 9 (a), Fig. 9 (b), sheets 13 towards waist opening WO extensions, around waist opening WO edge and to exterior body
It turns back on the inside of 12F, 12B.The leading edge of sheets 13 and rear do not expose in product external surfaces as a result, and appearance becomes good.Separately
Outside, it is not easy to which there is a situation where the leading edge and rear of sheets 13 are removed with clothes friction.
Particularly, form is such as shown, if sheets 13 is extended on the end of waist opening WO sides of built-in body 200,
The return portion 12r of the outside lamella 12S of exterior body 12F, 12B can then be omitted.In this case, opaque liquid piece can be made
11 turn back on the inside of exterior body 12F, 12B identically with sheets 13, but it is preferred that:Form is such as shown, opaque liquid
The edge of the waist opening WO sides of piece 11 is detached relative to waist opening WO sides between crotch.
The width direction range of sheets 13 is not particularly limited, if it is considered that aftermentioned manufacturing method, then preferably such as Figure 10
It is shown identical with opaque liquid piece 11 like that, but can also be the range wider than opaque liquid piece 11 as shown in Figure 3.In figure
Label 13x represent sheets 13 overall with.Wherein, it if sheets 13 extends to stretching region A2, is also formed in sheets 13
Shrinkage creases, therefore, the side end of sheets 13 is easily peeled off or gauffer is significantly and as unnatural appearance.In contrast,
If sheets 13 is arranged in the range of the width direction of non-telescoping region A1, in the range of entire sheets 13 gauffer all compared with
Few, aesthetics is excellent, therefore preferably.In addition, if the both side edges of sheets 13 are located at the position of the both side edges than absorption component 50
At the position of width direction center side, then more preferably.If that is, the side end of sheets 13 be located at the low part of rigidity or
Person easily deforms, even if being then adhered to opposed faces it can also happen that stripping.In addition, if the side end of sheets 13 holds
Easily with the leg friction of wearer, then peeling-off worry higher, and also there is following worry:Step difference causes skin sense of touch
Deteriorate.In contrast, do not allow if the side end of sheets 13 is higher than surrounding positioned at the region with absorption component 50, i.e. rigidity
Easily deform and be not easy and in the region of the leg friction of wearer, then skin sense of touch is not easy to deteriorate, also, in side end
In the case of being adhered to opposed faces, which does not allow easily peelable.Also, it in order to be formed as such structure, needs built-in
The back side of the both sides of absorption component 50 in body 200 sets the 64 grade opaque liquids of waterproof membrane in aforementioned three-dimensional rivel portion 60
Piece 11, and make to be set to the width of the opaque liquid piece 11 in the outside of exterior body 12F, 12B to narrow.
The processing method of the combination (crosslinking) of type or fiber for the fiber of non-woven fabrics that is used for sheets 13, it is not special
It does not limit, the non-woven fabrics with the material identical of exterior body 12F, 12B can be properly selected, it may be desirable to using hot-wind nonwoven cloth.
In addition, the weight of the unit area of sheets 13 preferably about 20~40g/m2.In addition, the thickness of sheets 13 be preferably 0.3~
1.0mm, in the case where inside piece layer 12H and outside lamella 12S is non-woven fabrics, the thickness of sheets 13 can be than inside lamella
12H and the outside respective thickness of lamella 12S are thin, but thickness preferably more respective than inside lamella 12H and outside lamella 12S is thick.Separately
On the one hand, in the case where inside piece layer 12H and outside lamella 12S is non-woven fabrics, if inside lamella 12H, outside lamella 12S
It is consistent on width direction WD with the fiber-wall-element model of sheets 13, then tensile elongation in length and breadth (or tensile elongation is in length and breadth
Than) close, therefore, when deformation has occurred in use, inside lamella 12H, outside lamella 12S and sheets 13 can be integrally
Deformation, the side end of sheets 13 are difficult to remove, therefore preferably.About sheets 13, it is preferred that with opaque liquid piece 11 or having
The part that the region of decorating printing 27 coincides is individual layer, but in the region other than this or two layers, such as such as Figure 22
It is shown or:By turning back to width direction WD center sides by the both sides of sheets 13 or separately pasting non-woven fabrics, thus
Double-layer structure is formed, elastomeric element 13G is installed along front-rear direction LD between the layer, enables the part in the longitudinal direction
It is flexible.
For sheets 13, the non-porous non-woven fabrics in the hole for not having perforation positive and negative can be used, but in this mode, if
Sheets is the apertured nonwoven cloth in the hole 14 for being provided with multiple perforation positive and negatives at spaced intervals, then not only gas permeability is improved,
And the visual confirmation of the decorating printing of opaque liquid piece also becomes good, therefore preferably.
In the case of to sheets 13 using apertured nonwoven cloth, can have at a part of the front-rear direction LD of sheets 13
There is the region there is no hole 14, but if considering the effect of raising gas permeability, it would be desirable that be integrally provided with hole throughout front-rear direction
14.On the other hand, in the mode that there is the region that hole 14 is not present at the both ends of the width direction WD of sheets 13, if passed through
Hole 14 is opened up based on the method other than the punching of cutter progress, then as described later, the fiber meeting of the periphery 14e in hole 14
Outward or vertical direction is kept out of the way and cause hole 14 periphery 14e warpages so that the thickness of hole area becomes than nothing
Bore region is thick, and therefore, when with the material of reeling condition keeping sheets 13, the part of aporate area becomes what is wound with being relaxed
State can form gauffer or folding line so as to worry in the aporate area of both sides.Therefore, it is intended that mode is like that throughout width as shown
Degree direction WD's is formed integrally with hole 14.Also, by forming hole in sheets 13 in the manufacturing process of diaper, as a result, can
Enough using non-porous material, be also capable of the forming part of arbitrarily control hole, but there are it is following the problem of:Due to wanting entrance hole shape
Forming apparatus, thus entire manufacture become it is huge and so that expense or the burden of maintenance become larger, in addition, being difficult in high-speed production lines
Adjust hole shape and flexibility.It is therefore preferable that form porose material using throughout entire front-rear direction and entire width direction
To be manufactured.
It about the flat shape (opening shape) in each hole 14, can suitably set, in addition to being set as Figure 17 (a), figure
Shown in 17 (b) outside such long hole shape, such circular shown in Figure 17 (c), Figure 17 (e), Figure 17 (d) institutes may be arranged as
Show the arbitrary shape such as the polygons such as such ellipse, triangle, rectangle, diamond shape and star, cloud shape.About each
The size in hole 14, is not particularly limited, and the full-size 14L on front-rear direction LD is preferably 0.4~1.8mm, particularly preferably
Full-size 14W on 0.8~1.3mm, width direction WD is preferably 0.3~1.5mm, particularly preferably 0.5~1.0mm.
In the case that the shape in hole 14 is shape longer in one direction as long hole shape, ellipse, rectangle, diamond shape etc.,
Full-size on length direction is preferably maximum sized less than 2.5 times on the direction vertical with length direction.In addition,
In the case that the shape in hole 14 is shape longer in one direction, it is desirable to the length direction in hole 14 is front-rear direction LD, but
Can also be width direction WD or tilted direction.
About the area and area occupation ratio in each hole 14, if suitably determine, but area preferably about 0.2~
2.5mm2(particularly preferably about 0.5~1.5mm2), area occupation ratio is preferably about 1.0~15.0% (particularly preferably about
5.0~10.0%).
About the planar alignment in hole 14, can suitably determine, still, regularly planar alignment repeatedly is preferred,
In addition to the rectangle clathrate as shown in Figure 17 (a) or the hexagonal lattice shape shown in Figure 17 (b) (these are also referred to as staggered), figure
The rectangular grid shape shown in square lattice shape, Figure 17 (d) shown in 17 (c), the parallel body grid shown in Figure 17 (e) are (as schemed
Showing like that, in the way of the groups of multiple parallel rectangle nematics is provided with 2 groups in a manner of crossing one another) shape etc. is (including making these
The faciation of rectangle nematic is for shapes of the front-rear direction LD to be less than 90 degree of angle tilt) as regularly repeat except,
Can make hole 14 group (group unit arrangement either rule can also be it is irregular, can also be decorative pattern or word
Shape etc.) regularly repeat.
It about the front-rear direction interval 14y in hole 14 and width direction interval 14x, can suitably determine, but in view of saturating
Gas, it is desirable to which they are separately positioned in the range of 0.5~8mm, it is therefore highly desirable that they are separately positioned on to the model of 1~5mm
In enclosing, if be averaged to front-rear direction interval 14y and width direction interval 14x, preferably their average value is set
In the range of 1~5mm.Particularly, if as shown in Figure 17 (d), make being shaped so as in front-rear direction LD for hole 14
Upper elongated shape, also, with front-rear direction interval 14y narrow the full-size 14L on the front-rear direction LD than hole 14 preceding
Being listed on width direction WD for the hole 14 arranged in rear direction repeats at a prescribed interval, and the width direction interval in hole 14
14x it is bigger than full-size 14L on the front-rear direction LD in hole 14 (more preferably 3 times of the width direction size 14W in hole 14 with
On), then gas permeability can be significantly increased, flexibility or bulkiness will not be damaged, in addition, important front and back during fabrication
Upward piece tensile strength will not reduce, and be therefore preferred.
As the cross sectional shape in hole 14, can be any one in following manner:1st mode, wherein, as Figure 14 (a)-
Shown in Figure 14 (c), the thickness of non-woven fabrics is thinning with the edge from surrounding's access hole 14 in hole 14, and the edge in hole 14 is located at nonwoven
The centre of the thickness direction of cloth;2nd mode, wherein, as shown in Figure 15 (a)-Figure 15 (c), the periphery 14e in hole 14 is to face side
Warpage, and it is generally uniform to tilt height 14h;And the 3rd mode, wherein, as shown in Figure 16 (a)-Figure 16 (c), around hole 14
Portion 14e is to face side warpage, and periphery 14e has the highest opposed parts of tilting height 14i and tilts height 14j most
Low part, wherein, the minimum parts of height 14j that tilt are hung down with the highest opposed parts of the tilting height 14i
Opposed opposed part on straight direction.From the viewpoint of being improved gas permeability, it is desirable to be to have the part in hole 14 thicker than surrounding
The 2nd mode and the 3rd mode, particularly, in the 3rd mode, due to hole 14 periphery 14e tilting height 14i, 14j it
Gap that is poor and being formed helps to improve gas permeability, is therefore preferred.In the 2nd and the 3rd mode, tilting height 14g, 14h,
14i (apparent height being determined using light microscope, in the state of pressure is not applied) preferably about 0.2~
1.2mm, in the 3rd mode, highest tilting height 14i is preferably about 1.1~1.4 times of minimum tilting height 14j.
Punching hole that hole 14, which can be edge, to be formed by the cut-out end of fiber or non-punching hole as follows
(fibre density of periphery is high):There's almost no the cut-out end of fiber in the edge in hole 14, and the non-punching hole be pass through by
Needle is extended and is formed between being inserted into fiber.The former is suitble to above-mentioned 1st mode, and the latter is suitble to above-mentioned 2nd mode, the 3rd mode.Example
Such as, if forming the hole 14 of shape longer in one direction, the fiber of the periphery 14e in hole 14 by the insertion of needle
Outward or vertical direction is kept out of the way and so that the periphery 14e in hole 14 is tilted, also, the opposed part on the length direction in hole 14
The tilting height i directions more vertical than with length direction on opposed part tilting height j high.In above-mentioned 2nd mode and the 3rd
In mode, the edge of part that the periphery 14e about hole 14 is tilted to surface, there is also its fibre density than surrounding portion
Divide low situation, but preferably equal extent or higher.Additionally, it is desirable that the fiber of the periphery 14e in hole 14 is fused to each other one
It rises, but can not also be welded together.
About the inner surface of sheets 13, when sheets 13 and the front-rear direction range of opaque liquid piece 11 and width direction range
When consistent, the inner surface of the sheets is only adhered to opaque liquid piece 11 (for width direction range by hot-melt adhesive 13H
Consistent form, with reference to Figure 10), in the case where sheets 13 is made to be more than opaque liquid piece 11 as shown in Figure 3, the sheets
Inner surface with the part that opaque liquid piece 11 overlaps opaque liquid piece 11, the cover are adhered to by hot-melt adhesive 13H
The part that the never liquid-permeable sheet 11 of the inner surface of piece exceeds is adhered to exterior body by hot-melt adhesive 13H.
About sheets 13, in the main region other than rear ends (2~10mm), at least by both side ends, excellent
Choosing is by the integral adhesive of width direction WD in opposed faces, and in this case, the side end of sheets 13 is adhered to opposed faces, therefore,
Boundary seamlessly realize integration and unobtrusively, therefore preferably.The rear ends of sheets 13 are not glued relative to exterior body 12F, 12B
It connects, but can also bond together identically with main region with exterior body.Particularly, on the outside lamella 12S be non-woven fabrics and
In the case of the position consistency of the position of the both side edges of opaque liquid piece 11 and the both side edges of sheets 13, for the interior table of sheets 13
For face, in the region other than its rear ends, at least both side ends are adhered to liquid-tight by hot-melt adhesive 13H
Property piece 11, also, for the inner surface of opaque liquid piece 11, in the region other than its rear ends, at least two
Side end is adhered to exterior body 12F, 12B by hot-melt adhesive 11H, and in this case, the both side ends of sheets 13 are across by setting
The opaque liquid piece 11 that adipose membrane is formed is glued to the outside lamella 12S being made of non-woven fabrics, therefore the both side ends of sheets 13
Engagement with outside lamella 12S becomes secured.
In the case of the sheets 13 with hole 14, a preferred bonded structure is:Such as Figure 18 (a)-Figure 18 (d) institutes
Show, in the bonding region of at least one party of the inner surface and the outer surface of sheets 13, the periphery in the region than being overlapped with hole 14
Portion 14i is by there is no hot-melt adhesive 13H, other than the peripheral part 14i in the region overlapped with hole 14, hot melt adhesion at center side
Agent 13H exists in continuous planar.Since the peripheral part 14i in the region than being overlapped with hole 14 is by viscous there is no hot melt at center side
Agent 13H is met, therefore gas permeability is excellent.In addition, there is such Nian Jie knot only on the face of the opposite side in the face with skin contact
Structure, at the part with such bonded structure, it is not easy to tacky skin sense of touch is generated due to hot-melt adhesive 13H, and
And the periphery 14e in hole 14 is reliably fixed to opposed faces.
As representative adhering state, following state may be exemplified out:As shown in Figure 18 (a), Figure 18 (b), with
There is no hot-melt adhesive 13H in the region that hole 14 overlaps, and other than the region overlapped with hole 14, hot-melt adhesive 13H is in company
Continuous planar exists;And as shown in Figure 18 (c), Figure 18 (d), hot-melt adhesive 13H is in the peripheral part in the region overlapped with hole 14
14i overflows, and still, the peripheral part 14i in the region than being overlapped with hole 14, which is leaned on, is not present hot-melt adhesive 13H at center side,
Other than the peripheral part 14i in the region overlapped with hole 14, hot-melt adhesive 13H exists in continuous planar.The former state is special
Desired state, still, since the peripheral part 14i in the region overlapped with hole 14 is the part of the periphery 14e of access hole 14, and
Sheets 13 has certain thickness, therefore, even if hot-melt adhesive 13H is made to be overflowed in the part as the latter, but only
It is carried out at be bonded part with the face of the opposite side in the face of skin contact, in one opposite with bonding plane with hand contact sheets 13
During the face of side, hot-melt adhesive 13H is hardly directly contacted.Also, at the peripheral part 14i in the region overlapped with hole 14
, the spilling width of hot-melt adhesive 13H preferably the thickness of sheets 13 less than half and in about below 0.5mm.In addition,
Wish hot-melt adhesive 13H is not present in more than 80% part of the area in the region overlapped with hole 14.
The cross sectional shape in the hole 14 in sheets 13 is not particularly limited, but if making the periphery in hole 14 as described above
14e becomes to the warpage portion of 11 side warpage of opaque liquid piece, then the hole observed with the face of the never opposite side of 11 side of liquid-permeable sheet
Diameter is compared, and never the aperture of 11 side of liquid-permeable sheet observation is smaller.So as in the face only with the opposite side in the face of skin contact
At the part being bonded, at the face of the opposite side with hand contact bonding plane, it is not easy to touch hot-melt adhesive 13H.Separately
Outside, warpage portion supports sheets 13, therefore, the non-porous nothing with identical weight per unit area as support column relative to opposed faces
Woven fabric, which is compared, becomes more bulk, and gas permeability is also more excellent.In addition, due to the region other than the periphery 14e in hole 14
In, sheets 13 is bonding with opaque liquid piece 11 easily to be floated (although being drawn in Figure 18 (a)-Figure 18 (d) as hot-melt adhesive
13H fills up the space between piece very close to each otherly, but the coating amount of essence is less, easily generates gap), therefore, around hole 14
Portion 14e is reliably bonded, and becomes incomplete bonding (substantive bond area is smaller) in region in addition, thus
Excellent flexibility and soft sense can be obtained.
Such bonded structure can manufacture by the following method:By hot-melt adhesive in the case of without using air
The bonding plane of apertured nonwoven cloth is coated in continuous planar, and is bonded together with opposed faces.This method is based on following new hairs
It is existing:If hot-melt adhesive to be coated on to the bonding plane of apertured nonwoven cloth in the case of without using air in continuous planar,
Before being bonded with opposed faces, due to the surface tension of hot-melt adhesive, in the Kong Chong with apertured nonwoven cloth of hot-melt adhesive
The center of the part of conjunction offers mouth (hole), and the enlarged open is to the periphery in the hole of apertured nonwoven cloth.If that is, using this
Then as the variation as shown in Figure 19 in arrow, hot-melt adhesive 13H is being coated in continuous planar for the adhering method of sample
Before being bonded after apertured nonwoven cloth and with object Part, due to the surface tension of hot-melt adhesive 13H, in hot-melt adhesive
The center of part overlapped with the hole 14 of apertured nonwoven cloth of 13H offers mouth (hole) h, and opening h is extended to apertured nonwoven cloth
Hole 14 periphery 14e.Therefore, after apertured nonwoven cloth is adhered to object Part, as shown in Figure 18 (a)-Figure 18 (d)
Example, there is no hot-melt adhesive 13H in the major part in hole 14, and also there is no the hot-melt adhesives caused by air
13H comes off or oozes out from hole 14, therefore, at the face of the opposite side with hand contact bonding plane, it is not easy to generate tacky flesh
Skin sense of touch.
It, can be appropriate as the hole melt applicator in the case of without using air being in continuous planar coating hot-melt adhesive
Ground uses:Slot coating makes applicator head (mold) be contacted with the bonding plane of apertured nonwoven cloth, from the end for being set to applicator head
It is applied along the gap extruding and hot melting bonding agent in CD directions (direction vertical with MD directions (conveying direction of manufacturing line));Or
The slot coating of person's non-contact type, in a state that the bonding plane for making applicator head (mold) from apertured nonwoven cloth floats, from setting
The gap extruding and hot melting bonding agent along CD directions in the end of applicator head, by the official post of the conveying speed with apertured nonwoven cloth
Hot-melt adhesive extends, very thin membranaceous so as to be applied as.
Sticking condition can suitably determine, but in order to which the hot-melt adhesive 13H overlapped with hole 14 is made rapidly to be moved to
The periphery 14e in hole 14 and the periphery 14e for being bonded hole 14 securely, it is desirable to meet at least one of following condition.
The melt viscosity (140 DEG C of temperature) of hot-melt adhesive:3000~2600mpas
The melt viscosity (160 DEG C of temperature) of hot-melt adhesive:1150~1550mpas
Temperature during hot-melt adhesive is applied to apertured nonwoven cloth:110~150 DEG C
For the coating amount of the hot-melt adhesive of apertured nonwoven cloth:1.0~8.0g/m2
Sphere time (open time) after the coating of hot-melt adhesive:0.1~1.0 second
The other form > of <
As shown in Figure 23~Figure 25 (b) or:Use by opaque liquid piece 11 be installed on built-in body 200 with
While toward structure, extend in the longitudinal direction across setting is located than the outside lamella 12S in exterior body 12F, 12B in the outer part
Sheets 13.In the case of setting decorating printing 27 to opaque liquid piece 11 in the form, if form uses like that as shown
Two segmenting structure of exterior, and make the part with decorating printing 27 of opaque liquid piece 11 outside front side exterior body 12F and rear side
Expose at the part that dress body 12B is detached on front-rear direction LD, then at the part covered using sheets 13 to it, can only wear
It crosses the perspective of sheets 13 ground and sees decorating printing 27, therefore the visual confirmation of the decorating printing 27 of opaque liquid piece 11 can be improved
Property.In addition, since sheets 13 extends to rear side exterior body 12B at least from the exterior body 12F of front side on front-rear direction LD,
As throughout the continuous appearance of front side exterior body 12F and rear side exterior body 12B and skin sense of touch.
As shown in Figure 23~Figure 25 (b), using the same of the previous structure that opaque liquid piece 11 is installed on to built-in body 200
When across locating to set the sheets 13 extended in the longitudinal direction in the outer part than the outside lamella 12S in exterior body 12F, 12B
In the case of, without sheets 13 is made to cover opaque liquid piece 11 to the part covered by exterior body 12F, 12B of opaque liquid piece 11,
Therefore, as shown in Figure 25 (a), Figure 25 (b), make sheets 13 leading edge be located at than absorption component 50 leading edge by rear side position,
And make the rear of sheets 13 to be located at rear than absorption component 50 by the position of front side be also a preferred mode.That is, sheets
13 leading edge and rear if located in the low part of rigidity or easily deforms, then is easily detached from opposed faces, even if viscous
Opposed faces are connected to, there is also peeling-off worries.Also, if the leading edge and rear of sheets 13 are detached or are shelled from opposed faces
From then the gauffer of sheets 13 and the boundary part of exterior body easily becomes obvious and becomes unnatural appearance.In contrast, it covers
The leading edge and rear of piece 13 is if located in the region with absorption component 50, i.e. rigidity is higher without easily deforming than around
In region, then it is difficult to detach or remove from opposed faces, so as to prevent following situation:The side of sheets 13 and outside lamella 12S
The gauffer of boundary part becomes apparent and becomes unnatural appearance.
About decorative pattern plate, other than being only set as opaque liquid piece 11 or:Substitution sets decorating printing 27
This design of opaque liquid piece 11 is placed in or while decorating printing 27 is set to opaque liquid piece 11, such as Figure 23~figure
Shown in 25 (b) dedicated printed sheet 25 is decorated in appropriate position setting like that.Label 25H represents to paste printed sheet 25
Hot-melt adhesive.The position of setting printed sheet 25 is not particularly limited, and still, such as form is such as shown, if formed as
Following form:By printed sheet 25 be set to than the outside lamella 12S in exterior body 12F, 12B in the outer part place and on the outside of it into
One step is bonded sheets 13, then becomes the almost entirety for the part with decorating printing that printed sheet 25 is only covered by sheets 13
Form, the visual confirmation of decorating printing become excellent.
It as the base material of printed sheet 25, as long as being suitble to printing, is just not particularly limited, such as paper or the trees such as crepe paper can be used
Adipose membrane etc..In the case where using crepe paper, thickness is preferably 100~150 μm, and density is preferably 100~200kg/m3.In this way
The crepe paper of thickness and density can be by setting the weight of unit area as 10g/m2Above and crape rate is set as 10% or so to make
It creates.Also, density can come out according to the weight and THICKNESS CALCULATION of unit area.In addition, crape rate is according to ((Yankee is dried
The circumferential speed of cylinder)-(circumferential speed of take-up reel)) value that calculates of/(circumferential speed of Flying Dutchman) × 100 (%).Make
For the decorating printing of printed sheet 25, the pattern (including the personage to paint with single-point pattern) for decoration, user may be used
The functions such as method or use auxiliary, size are shown or the appropriate dresses such as the marks such as producer or name of product, feature functionality are shown
Decorations printing.
< is about manufacturing method >
At least both side ends of sheets 13 is enable to pass through the glued structures of hot-melt adhesive 13H according to such as Figure 20
(a), manufacturing method shown in Figure 20 (b) manufactures.That is, the manufacturing method includes exterior body assembling procedure (not shown), elasticity
Component cut process 301, built-in body installation procedure 302, sheets bonding process 303, waist are turned back process 304, folding (not shown)
Folded process and side (not shown) engagement cut off process.Also, Figure 20 (a) is the flow chart of manufacturing equipment, and Figure 20 (b) is to show
Go out the vertical view of the variation of assembled state, two figures, which are mapped, to be drawn.
It, will be in MD side in a manner of clamping the elastomeric element continuously fed in the MD direction in exterior body assembling procedure
A upward continuous sheet material is folded or continuous two sheet materials will be fit together in the MD direction to CD directions, thus shape
Into exterior shoestring 120 of the elastomeric element between inside lamella and outside lamella.In exterior shoestring 120, become outer
The part for filling body is repeatedly continuous in the MD direction in a manner that its width direction WD is consistent with the MD directions in manufacturing line.Scheming
Show in form and be separately formed with:Include the exterior shoestring of the part of the front side exterior body 12F as two Splittable of exterior
120;With the exterior shoestring 120 for including the part as rear side exterior body 12B, but in the case where exterior is one-piece type, outside
Fill shoestring 120 or one.
Next, elastomeric element cut off operation 301 is performed to the exterior shoestring 120 of formation as needed, in MD directions
On separate defined interval, will be positioned at the part CT overlapped later with built-in body 200 by the disconnecting device 310 of heat embossing etc.
The elastomeric element 121 at place is cut off, and at the CT of the part, becomes the substantially inoperative state of convergent force of elastomeric element 121.
In built-in body installation procedure 302, separated in the cd direction with the configuration identical with the unfolded state of diaper on one side
The parallel conveying exterior shoestring 120 in compartment of terrain, will simultaneously in parallel be produced in a known manner by other manufacturing lines on one side
Unfolded state under built-in body 200 be engaged in the position as each exterior body on the exterior shoestring 120 successively, thus
Form following built-in assembly:It is continuous in the MD direction with unfolded state as the part of each diaper.These engage and consolidate
Surely it can be carried out by the appropriate means such as hot-melt adhesive.
In sheets bonding process 303, sheets 13 is adhered to exterior shoestring 120 at spaced intervals in the MD direction
On the face of the side opposite with the composition surface of built-in body 200.If sheets bonding process 303 is more forward than folding process, but
Since sheets 13 is spread from front portion F to rear body section B, in the situation for illustrating two Splittable of exterior as form
Under, in the exterior shoestring 120 for including the part as front side exterior body 12F and include as rear side exterior body 12B's
It is after the determined position of position relationship between partial exterior shoestring 120, i.e. after built-in body installation procedure 302
Preferably.
It is in waist turns back process 304, the end 122 on the outside of the CD directions of exterior shoestring 120 is central to CD directions
Side is turned back, also, elastomeric element 123 is continuously sandwiched to the lower section of the return portion in the MD direction.Thereby, it is possible to carry out waist
The installation of portion's elastomeric element 17 and the formation of return portion 12r.
This about subsequent process is not illustrated, but can manufacture Breeches type disposable diaper by well known method.
That is, in folding process, built-in body 200 will be mounted on exterior shoestring 120 and be mounted with built-in group after sheets 13
Body is filled to the doubling of CD directions, doubling shoestring is consequently formed, is engaged in side in cutting off process, becoming in doubling shoestring
The exterior body of the exterior body of front portion and rear body section is bonded together at the part of the both sides of each diaper, and
The boundary of each diaper cuts off the exterior body of front portion and the exterior body of rear body section, thus obtains each diaper.
Be characterized in that, in sheets bonding process 303, on one side by the shoestring 130 of band-like continuous sheets along it
Continuous direction conveying, it is continuous in the MD direction by applying device 312 on its bonding plane in face of exterior shoestring 120 on one side
Ground applies hot-melt adhesive, then, each sheets 13 is cut at spaced intervals in the MD direction using sliding knife 311, in MD side
The sheets 13 of the cut-out is adhered to the opposite with the composition surface of built-in body 200 of exterior shoestring 120 by spaced up compartment of terrain
On the face of side.It, can be on width direction WD continuously by hot-melt adhesive as a result, other than the rear ends of sheets 13
Until the lucky lateral margin for being applied to sheets 13, can be not present hot-melt adhesive overflow ground by the side end of sheets 13 firmly
It is adhered to opposed faces.
Particularly, mode is such as shown, the resin film bonding process being appended below before sheets bonding process 303
305 form is a preferred form:The shoestring of opaque liquid piece being made of resin film of decorating printing will be implemented
111 be continuously adhered in the MD direction the shoestring 130 of sheets on the bonding plane of exterior shoestring 120.Label 313
It represents the bonding plane mutually Nian Jie with the shoestring 111 of opaque liquid piece of shoestring 130 of the hot-melt adhesive coated on sheets
On applying device.It is continuously that hot melt is viscous in the MD direction by applying device 312 as a result, in sheets bonding process 303
Connect the shoestring 130, in face of exterior shoestring 120 of sheets of the agent coated on the shoestring 111 for being bonded with opaque liquid piece
On bonding plane, then, each sheets 13 and opaque liquid piece 11 are cut at spaced intervals in the MD direction using sliding knife 311,
The sheets cut 13 and opaque liquid piece 11 are adhered to exterior shoestring 120 at spaced intervals in the MD direction with it is interior
It fills on the face of the opposite side in composition surface of body 200.In addition, in this case, the both side edges of the sheets 13 in product with it is impermeable
The both side edges of fluidity piece 11 are consistent.Under the form, it is pasted on by the shoestring 111 of the opaque liquid being made of resin film piece
After the shoestring of sheets 13, cut each sheets 13 and be pasted on exterior shoestring 120, therefore, each cover after cut-out
The rigidity of piece 13 correspondingly increases, and gas permeability is remarkably decreased with resin film, therefore, is passing through sliding knife 311 such as figure
When attracting holding is carried out shown in middle arrow like that and carrying out interruption stickup relative to exterior shoestring 120, shape and attracting holding
Property stablize, can realize stable stickup.
Although it is not shown, it may also be:It is not the shoestring that the shoestring 111 of opaque liquid piece is pasted on to sheets
130, but opaque liquid piece 11 is bonded on the exterior shoestring 120 before being bonded sheets 13, then from the opaque liquid on piece
It is bonded sheets 13.In addition, in the case of the back side for the absorption component that opaque liquid piece 11 is set in built-in body 200,
Opaque liquid piece 11 can be pasted in the manufacturing process of built-in body 200 (not shown), glues opaque liquid piece 11 so as to omit
It is affixed on the shoestring 130 of sheets or the process of exterior shoestring 120.
In the case where sheets 13 is apertured nonwoven cloth, sheets can be used as using pre-processed apertured nonwoven cloth
13, but in order to cut down material cost, it is preferred to be processed in manufacturing line.But implementing perforation processing to non-woven fabrics
In the case of, the speed of processing line is faster, is more difficult to steadily carry out high-precision processing.In this regard, in the manufacturing method of diagram form
Sheets bonding process 303 in, due to cut off and be interrupted paste and cause sheets shoestring 130 for sheets be bonded
The feed speed of process 303 is slack-off, therefore, if form is like that in the sheets 13 for sheets bonding process 303 as shown
Overpunch device 314 on the supply line of shoestring, and perform the perforation process 306 for sheets 13, then it can realize stabilization
Perforation processing, therefore preferably.
< illustrates > to the term in specification
As long as in the description without particularly recording, then the following term in specification has following meaning.
" front and rear (vertical) direction " refer to link veutro (front side) and back side (rear side) direction, " width direction " refer to and
The vertical direction of front-rear direction (left and right directions).
" MD directions " refers to the conveying direction of manufacturing line, is the abbreviation of machine direction, and " CD directions " refers to and MD directions
Vertical transverse direction is crisscross abbreviation, and either side is the front-rear direction of product, and the opposing party is the width direction of product.
The MD directions of non-woven fabrics are the directions of the fiber-wall-element model of non-woven fabrics.
" fiber-wall-element model " is the fiber of non-woven fabrics direction along which, can be sentenced for example, by following measuring method
Not:According to the measuring method of fiber-wall-element model test method(s), wherein, which is based on TAPPI standard laws
The test method(s) of the zero distance tensile strength of T481;Alternatively, it is determined according to the ratio between tensile strength of front-rear direction and width direction
The easy measuring method of fiber orientation directions.
" face side " refers to when wearing Breeches type disposable diaper close to the side of the skin of wearer, " back side "
Refer to the side of the skin away from wearer farther out when wearing Breeches type disposable diaper.
" front " be finger, when wearing Breeches type disposable diaper close to the face of the skin of the wearer, " back of the body
Face " refers to the face of the skin away from wearer farther out when wearing Breeches type disposable diaper.
" area occupation ratio " refers to that object part accounts for the ratio of unit area, and is in subject area (such as sheets)
The gross area of object part (such as hole) removes the area of the subject area and ratio as a percentage.At spaced intervals
It is provided in the mode of multiple object parts, it is desirable to be:Subject area is set for the size containing 10 or more object parts,
And acquire area occupation ratio.For example, for the area occupation ratio in hole, it can use the trade name VHX-1000's of such as KEYENCE companies
Determination condition is set as 20 times, and be measured in the following order by equipment.
(1) it is set as 20 times of lens, and focuses.The position of non-woven fabrics is adjusted, to there are 4 × 6 holes.
(2) brightness in the region of designation hole measures the area in hole.
(3) color extraction of " the area measurement " of " measurement annotation " is clicked.Click the part in hole.
(4) " measuring together " is clicked, and chooses " display measurement result window ", is preserved with CSV data.
" elongation " refer to set nature it is a length of 100% when value.
" gel strength " measures as follows.49.0g artificial urine (by urea:2wt%, sodium chloride:0.8wt%,
Calcium chloride dihydrate:0.03wt%, epsom salt:0.08wt% and ion exchange water:The mixing that 97.09wt% is mixed
Object) in addition 1.0g superabsorbent polymer, and using blender stir.By the gel of generation 40 DEG C × 60%RH perseverance
Room temperature is restored to after placing 3 hours in constant temperature and humidity slot, (I.techno Engineering companies manufacture using curdmeter:
Curdmeter-MAX ME-500) measure gel strength.
" weight of unit area " measures as follows.Standard state will be placed into after sample or test film preliminarily baking
In the laboratory of (temperature of test site is 20 ± 5 DEG C, relative humidity is less than 65%) or device, it is allowed to become constant
State.Preliminarily baking refers to sample or test film relative humidity is 10~25%, temperature is the ring no more than 50 DEG C
Constant is made under border.In addition, about the fiber that legal moisture rate is 0.0%, preliminarily baking can not also be carried out.Use examination
The template (200mm × 250mm, ± 2mm) of sample selection, the test film in the state of constant is become cuts 200mm × 250mm
The sample of the size of (± 2mm).The weight of sample is measured, 20 times of ground calculate weight of the weight as unit area of every square meter
Amount.
" thickness " uses automatic thickness analyzer (KES-G5 portable compacts process of measurement) in load for 0.098N/cm2、
Pressurization area is 2cm2Under conditions of automatically determine.
Water absorption is come what is measured according to JIS K7223-1996 " the water vapor absorption test method of super absorbent resin ".
Absorption speed is to perform JIS K7224-1996 " height suctions using 2g high water absorbency polymers and 50g physiological saline
" time until to terminal " during the absorption speed test method of water-base resin ".
" unfolded state " refers to not shrink or the not loosely state of flat expansion.
The size of each section is recorded as long as no special, then refers to the ruler under unfolded state rather than under natural long status
It is very little.
In the case of not about the record of the environmental condition in experiment or measure, the experiment or measure are in standard
It is carried out in the laboratory of state (test site is below 20 ± 5 DEG C of temperature and 65% relative humidity) or device.
Industrial availability
The present invention can be used in Breeches type disposable diaper.
Claims (12)
1. a kind of Breeches type disposable diaper, has:
Exterior body forms at least waist area of front portion and at least waist area of rear body section;With
The built-in body of absorption component is built-in with, exterior body is installed in a manner of being spread from front portion to rear body section,
The exterior body has:Elastomeric element;The inside lamella adjacent with the inside of the elastomeric element;And with the elasticity
The adjacent outside lamella in the outside of component,
The both sides of the exterior body of front portion and the both sides of the exterior body of rear body section are respectively adjoined together
And the leg opening of waist opening and pair of right and left is formed,
It is characterized in that,
The Breeches type disposable diaper has the sheets being made of non-woven fabrics, and the sheets is to pass through than the absorption component
The mode that the position of both side edges is located in the outer part by width direction center side and than the outside lamella in the exterior body is preceding
Rear upwardly extends,
It is leaned on the outside of width direction and than the lateral film in the exterior body than the position of the both side edges of the absorption component
Layer is located in the outer part, without the non-woven fabrics other than the sheets,
About the inner surface of the sheets, in the region other than rear ends, at least both side ends pass through hot melt adhesion
Agent is adhered to opposed faces.
2. Breeches type disposable diaper according to claim 1, which is characterized in that
The inside lamella and outside lamella are non-woven fabrics,
The fiber-wall-element model of the inside lamella, outside lamella and sheets is width direction.
3. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The leading edge of the sheets is located at the leading edge than the absorption component by the position of rear side, and the rear of the sheets is positioned at than institute
The rear for stating absorption component leans on the position of front side.
4. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The sheets is open in at least one party of front portion and rear body section towards waist to be extended, and in waist opening to described interior
It turns back on the inside of lateral plate layer.
5. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The exterior body has:
Non-telescoping region is arranged at the width direction middle part in the region overlapped with the absorption component;With
Stretching region is arranged at the width direction both sides in the non-telescoping region,
The sheets is arranged in the range of the width direction in the non-telescoping region.
6. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
Decorative pattern plate, the decorative pattern plate tool are folded between the outside lamella of the exterior body and the sheets
There is the decorating printing adjacent with the inner surface of the sheets.
7. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The Breeches type disposable diaper dividually has the front side exterior body and composition for at least waist portion for forming front portion
The rear side exterior body of at least waist portion of rear body section is used as the exterior body, and the front side exterior body and rear side exterior body exist
Front-rear direction middle detaches in the longitudinal direction,
The built-in body has the opaque liquid piece for the back side for covering the absorption component,
The opaque liquid piece has the exposed portion that at least width direction middle part at the back side of the built-in body exposes,
The opaque liquid piece is that have in the region between front side exterior body and rear side exterior body of the exposed portion
There is the decorative pattern plate of decorating printing,
The sheets at least extends to the rear side exterior body from the front side exterior body in the longitudinal direction.
8. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The inside lamella and outside lamella are non-woven fabrics,
Inside lamella described in the thickness ratio of the sheets and the respective thickness of the outside lamella are thick.
9. Breeches type disposable diaper according to claim 1 or 2, which is characterized in that
The sheets is the apertured nonwoven cloth in the hole for being provided with multiple perforation positive and negatives at spaced intervals.
10. a kind of manufacturing method of Breeches type disposable diaper is the system of Breeches type disposable diaper described in claim 1
Make method, which is characterized in that
The manufacturing method of the Breeches type disposable diaper includes:
Exterior body assembling procedure forms exterior shoestring, on the exterior shoestring, becomes the part of the exterior body with its width
It is repeatedly continuous in the MD direction to spend the direction mode consistent with MD directions;
Built-in body installation procedure conveys the exterior shoestring in a manner that the width direction of diaper becomes MD directions on one side, and one
While the built-in body under the unfolded state being separately manufactured out, which is engaged in successively on the exterior shoestring, becomes each exterior
The part as each diaper is consequently formed with unfolded state continuous built-in assembly in the MD direction in the position of body;
Sheets bonding process, the sheets is adhered to the exterior shoestring at spaced intervals in the MD direction with it is described interior
It fills on the face of the opposite side in composition surface of body;
By the built-in assembly doubling in the cd direction, doubling shoestring is consequently formed in folding process;And
Side engagement cuts off process, makes the predecessor at the part of the both sides as each diaper of the doubling shoestring
Partial exterior body and the exterior body of rear body section are bonded together, also, each diaper boundary by the portion of predecessor
The exterior body divided and the exterior body cut-out of rear body section, obtain each diaper,
In the sheets bonding process, it will be conveyed on one side in the shoestring of band-like continuous sheets along its continuous direction, one
Side is in the MD direction continuously by shoestring of the hot-melt adhesive coated on the sheets relative to the exterior shoestring
On bonding plane, then, cut into each sheets at spaced intervals in the MD direction, the sheets after this is cut off in the MD direction every
Compartment of terrain is opened to be adhered on the face of the side opposite with the composition surface of the built-in body of the exterior shoestring.
11. the manufacturing method of Breeches type disposable diaper according to claim 10, which is characterized in that
Before the sheets bonding process there is resin film bonding process, in the resin film bonding process, dress will be implemented
Decorations printing resin film be adhered to the sheets shoestring on the bonding plane of the exterior shoestring,
In the sheets bonding process, continuously hot-melt adhesive is coated on is bonded with the resin film in the MD direction
The shoestring of the sheets on the bonding plane of the exterior shoestring, then, cut off at spaced intervals in the MD direction
Into each sheets, the sheets after this is cut off be adhered to the exterior shoestring at spaced intervals in the MD direction with it is described interior
It fills on the face of the opposite side in composition surface of body.
12. the manufacturing method of the Breeches type disposable diaper according to claim 10 or 11, which is characterized in that
Before the sheets bonding process there is perforation process, in the perforation process, be bonded by being directed to the sheets
The supply line of the shoestring of the sheets of process forms the hole of multiple perforation positive and negatives at spaced intervals in the sheets.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-238860 | 2016-12-08 | ||
JP2016238860A JP6396396B2 (en) | 2016-12-08 | 2016-12-08 | Pants-type disposable diaper and method for manufacturing the same |
Publications (2)
Publication Number | Publication Date |
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CN108175579A true CN108175579A (en) | 2018-06-19 |
CN108175579B CN108175579B (en) | 2021-07-09 |
Family
ID=62491110
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721665953.5U Expired - Fee Related CN208877008U (en) | 2016-12-08 | 2017-12-04 | Breeches type disposable diaper |
CN201711267124.6A Active CN108175579B (en) | 2016-12-08 | 2017-12-04 | Pants-type disposable diaper and method for producing same |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721665953.5U Expired - Fee Related CN208877008U (en) | 2016-12-08 | 2017-12-04 | Breeches type disposable diaper |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6396396B2 (en) |
CN (2) | CN208877008U (en) |
TW (1) | TWI746723B (en) |
WO (1) | WO2018105637A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021068104A1 (en) * | 2019-10-08 | 2021-04-15 | The Procter & Gamble Company | Ring-like elastic belt and method of making thereof |
CN114727884A (en) * | 2019-12-09 | 2022-07-08 | 大王制纸株式会社 | Pants-type disposable diaper |
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JP6008559B2 (en) * | 2012-04-27 | 2016-10-19 | 大王製紙株式会社 | Disposable diapers |
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JP6560015B2 (en) * | 2014-05-30 | 2019-08-14 | 花王株式会社 | Disposable diapers |
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- 2016-12-08 JP JP2016238860A patent/JP6396396B2/en active Active
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2017
- 2017-12-04 CN CN201721665953.5U patent/CN208877008U/en not_active Expired - Fee Related
- 2017-12-04 CN CN201711267124.6A patent/CN108175579B/en active Active
- 2017-12-06 WO PCT/JP2017/043751 patent/WO2018105637A1/en active Application Filing
- 2017-12-08 TW TW106143071A patent/TWI746723B/en active
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EP1051957A2 (en) * | 1999-05-12 | 2000-11-15 | Uni-Charm Corporation | Disposable body wastes absorbent article |
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WO2021068104A1 (en) * | 2019-10-08 | 2021-04-15 | The Procter & Gamble Company | Ring-like elastic belt and method of making thereof |
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CN114727884B (en) * | 2019-12-09 | 2024-02-06 | 大王制纸株式会社 | Pants-type disposable diaper |
Also Published As
Publication number | Publication date |
---|---|
CN208877008U (en) | 2019-05-21 |
TWI746723B (en) | 2021-11-21 |
TW201828900A (en) | 2018-08-16 |
JP6396396B2 (en) | 2018-09-26 |
JP2018093948A (en) | 2018-06-21 |
CN108175579B (en) | 2021-07-09 |
WO2018105637A1 (en) | 2018-06-14 |
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