CN110169871A - A kind of absorbent article and its moulding process - Google Patents

A kind of absorbent article and its moulding process Download PDF

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Publication number
CN110169871A
CN110169871A CN201910585815.3A CN201910585815A CN110169871A CN 110169871 A CN110169871 A CN 110169871A CN 201910585815 A CN201910585815 A CN 201910585815A CN 110169871 A CN110169871 A CN 110169871A
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CN
China
Prior art keywords
layer
protruding portion
absorbent article
surface layer
idler wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910585815.3A
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Chinese (zh)
Inventor
李银琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei C-Bons Co Ltd
Original Assignee
Hubei C-Bons Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei C-Bons Co Ltd filed Critical Hubei C-Bons Co Ltd
Priority to CN201910585815.3A priority Critical patent/CN110169871A/en
Publication of CN110169871A publication Critical patent/CN110169871A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
    • 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
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
    • 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • 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
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • 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
    • A61F13/15203—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
    • A61F2013/1556—Water 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
    • A61F2013/51355—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 for improving fluid flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The invention discloses a kind of absorbent article and its moulding process, it includes leakproof bottom film, protruding portion, surface layer and absorbed layer to the absorbent article, and protruding portion is capable of forming in the surface layer outer surface when at least dressing；Absorbent article provided by the present invention has the protruding portion for protruding from surface layer outer surface, protruding portion has prominent surface, surface layer is at least disposed with prominent surface with body liquids outlet opposite position, when user's wearing, the protrusion surface of the protruding portion can fit with the physical feeling of wearer, in this way, the liquid flowed out from body outlet will not slide on the skin, only from prominent surface rapid osmotic to lower layer's absorbed layer after the discharge of the liquid such as menses, and conducted by sanitary napkin internal capillary effect to sanitary napkin, greatly reduce leakage problem；Protruding portion can effectively increase absorption area simultaneously, can reduce the length and width of sanitary towels, reduce product use cost.

Description

A kind of absorbent article and its moulding process
Technical field
The present invention relates to absorbent article technical field, in particular to a kind of absorbent article and its moulding process.
Background technique
Absorbent article includes the products such as sanitary napkin, diaper, is widely used in the modern life.By taking sanitary napkin as an example, Absorbent article is that women is widely used in absorbing the excretas such as menstruation.
With the development of the times, people are constantly changing the use idea of absorbent article, and sanitary napkin is had in addition to it Basic absorption function outside, wearing comfort be consumer consider an important factor for one of.Wherein, no leakage is when use One of an important factor for influencing comfort.Although there is the sanitary napkin of various structures in the market now, by investigation discovery The leakage problem of product is not can effectively solve.
How to reduce or eliminate the absorbent articles such as sanitary napkin use when leakage probability, be those skilled in that art always The technical issues of concern.
Summary of the invention
The present invention provides a kind of absorbent articles, including leakproof bottom film, surface layer and setting with lyophily transparent liquid ability Absorbed layer between the surface layer and the leakproof bottom film further includes protruding portion, is capable of forming when at least dressing in the face Layer outer surface；The protruding portion has the protrusion surface protruded towards outside, and the prominent surface has penetrating power, described prominent Surface longitudinal extends out, the shape that physical feeling corresponding to wearer fits when the prominent surface configuration is at wearing, and The surface layer is at least disposed with the prominent surface with body liquids outlet opposite position.
Absorbent article provided by the present invention has the protruding portion for protruding from surface layer outer surface, and protruding portion has prominent table Face, surface layer are at least disposed with prominent surface with body liquids outlet opposite position, when user's wearing, the protruding portion Prominent surface can fit with the physical feeling of wearer, in this way, will not be on the skin from the liquid that body outlet flows out Sliding only from prominent surface rapid osmotic to lower layer's absorbed layer after the discharge of the liquid such as menses, and is imitated by sanitary napkin internal capillary It should conduct to sanitary napkin, greatly reduce leakage problem.
Protruding portion can effectively increase absorption area simultaneously, can reduce the length and width of sanitary towels, reduce and produce Product use cost.For example, sanitary napkin can only need 290mm that can reach existing ight to 350mm length after increasing protruding portion The using effect of length 420mm sanitary napkin.
Optionally, the protruding portion is by passing through including at least the layers of material for forming the absorbent article including surface layer It is longitudinally convex to fold the center that pressing process is formed.
Optionally, the prominent surface includes top and extends to the two side walls of surface layer outer surface from top longitudinal edge Portion, the altitude range at the top are 5mm-20mm；Or transversely, the two side walls portion root on the prominent surface it Between lateral distance range be 10mm-20mm.
Optionally, the surface layer includes main part and protrusion, the main part and the compound positioning of the absorbed layer, described The relatively described main part of protrusion swells upwards forms the protrusion surface longitudinally extended, and the protrusion and corresponding institute It states absorbed layer and surrounds cavity, the cavity is filled with adhesive material or imbibition material；Alternatively, the absorbent article further includes leading Fluid layer, for carrying out water conservancy diversion to liquid；The guide layer is set between the surface layer and the absorbed layer, the surface layer and position One is compounded to form entirety at least within for the guide layer, the absorbed layer under it, the leakproof bottom film, the whole part It swells upwards and positions to form the protruding portion longitudinally extended in region.
Optionally, after the surface layer and each material layer being disposed below are compounded to form an overall structure, this is integrally tied The partial region of structure is suppressed by folding and positions to form the protruding portion longitudinally extended, and the internal layer folding of the protruding portion It is formed equipped with glue-line in folded face.
Optionally, with respect to two medial surfaces drawn close, at least one is provided with adhesive layer to the protruding portion.
Optionally, the protruding portion longitudinally runs through the entire surface layer.
In addition, the present invention also provides a kind of moulding process of absorbent article, the moulding process the following steps are included:
It is placed in folding station by the surface layer of absorbent article or by the overall structure for first passing through combination process formation in advance, wherein The overall structure includes surface layer and at least one material layer below surface layer；
It suppresses surface layer or overall structure to form protruding portion raised along longitudinal direction using idler wheel；
The sizing sizing protruding portion.
It only needs to increase a folding pressing process in absorbent article processing technology in the prior art in this way, i.e., it is plastic Absorbent article of the present invention, molding is simple, easy to implement, can reduce the forming cost of absorbent article.
Optionally, the idler wheel is installed on rack by bearing, and the folding station includes folding platform, the folded flat Platform is provided with longitudinal groove towards the idler wheel on one side；When processing, the surface layer or overall structure are placed in the folding Station is suppressed to form the protruding portion by the cooperation of the outer rim and the longitudinal groove of the idler wheel.
Optionally, the idler wheel includes axial parallel the first idler wheel and the second idler wheel, circumferentially, first idler wheel and Second idler wheel is respectively arranged with opposite annular convex platform and annular groove, and the annular convex platform and the annular groove match It closes；When processing, the surface layer or overall structure are placed between first idler wheel and second idler wheel, pass through the ring The cooperation of shape boss and the annular groove is suppressed to form the protruding portion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of absorbent article in an embodiment of the present invention；
Fig. 2 is absorbent article protruding portion partial enlargement diagram in an embodiment of the present invention；
Fig. 3 is absorbent article protruding portion partial enlargement diagram in another embodiment of the present invention；
Fig. 4 is the schematic diagram of one embodiment of coform absorbent product protruding portion of the present invention；
Fig. 5 is the schematic diagram of another embodiment of coform absorbent product protruding portion of the present invention.
Wherein, one-to-one relationship is as follows between appended drawing reference and component names into Fig. 5 by Fig. 1:
1- surface layer；2- guide layer；3- absorbed layer；4- leakproof bottom film；5- adhesive layer；6- protruding portion；
71- rack；72- idler wheel；73- bearing；The first idler wheel of 74-；The second idler wheel of 75-.
Specific embodiment
The phenomenon of leakage is used for the existing sanitary napkin pointed out in background technique, the prior art is sent out generally for side leakage is reduced Raw phenomenon usually increases leakage-proof structure in the two sides of sanitary towels, and leakage-proof structure generally includes three-dimensional shield or widen to defend Raw towel size.Although but in sanitary napkin two sides increase leakage-proof structure, not being avoided that side leakage when sanitary napkin uses.And Carried out a large amount of investigation herein for existing different product, according to consumer using sanitary napkin use report in count: it is existing Sanitary towels in technology have 15% or more people that leakage problem can all occur in use, and leakage has preceding leakage, side leakage, back leak The problems such as.
It for leakage problem existing for existing product, has made intensive studies herein, research has found leakage main cause It is that the menses discharge point of human body cannot be effectively bonded with sanitary napkin, causes menses to slide on human skin, sliding into does not have The place of product will lead to sanitary napkin leakage reverse osmosis, be that sanitary napkin does not absorb liquid in fact.
On the basis of above-mentioned discovery, continue to explore and carried out many experiments herein, proposing one kind can be big It is big to reduce the absorbent article for using leakage.
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention Applying example, the present invention is described in further detail.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram of absorbent article in an embodiment of the present invention；Fig. 2 is this hair Absorbent article protruding portion partial enlargement diagram in a kind of bright embodiment；Fig. 3 is absorbent article in another embodiment of the present invention Protruding portion partial enlargement diagram.
The present invention provides a kind of absorbent article, which includes the surface layer 1 with lyophily transparent liquid ability, anti-bottom drain Film 4 and the absorbed layer 3 being set between surface layer 1 and leakproof bottom film 4, surface layer 1 is generally by the stronger non-woven fabrics material of lyophily performance Material, if the composite material of one or both of hot wind, spun lacing is constituted, seepage velocity generally compares comparatively fast.Absorbed layer 3 is for fast Speed absorbs the liquid in surface layer 1, and the lyophily performance of its lyophily performance specific surface layer 1 is stronger；Leakproof bottom film 4, which plays, prevents absorbed layer The effect of liquid exudation in 3, generally liquid barrier materials, such as plastics.
Absorbent article provided in the present invention further includes being capable of forming when at least dressing in the protrusion of 1 outer surface of surface layer Portion, that is to say, that when absorbent article is in non-wearing state, protruding portion 6 can be higher than 1 outer surface of surface layer, can not also be high In 1 outer surface of surface layer, such as when absorbent article is in such as packed state, protruding portion 6 can be not above 1 outer surface of surface layer, with Facilitate reduction packaging space.Protruding portion 6 has the protrusion surface that protrudes outward, herein by surface layer 1 towards the one of absorbed layer 3 In side is defined as, then corresponding another surface is outer surface, that is to say, that outer surface is the side contacted with surface layer 1 with wearer Surface.
Specifically, protruding portion 6 has the protrusion surface protruded outward, and prominent surface has penetrating power, that is, Say that menses or other liquid can be through the absorbed layers 3 under prominent surface penetration to surface layer 1.Prominent surface configuration at when wearing with The shape that the corresponding physical feeling of wearer fits, and surface layer 1 is at least provided with body liquids outlet opposite position Prominent surface.
Prominent surface longitudinal extends, and preferred prominent surface longitudinal runs through entire absorbent article herein.That is, prominent table Face longitudinal length is substantially equal to the length of absorbent article.
Certainly, the longitudinal length on prominent surface might be less that the longitudinal length of absorbent article.
Absorbent article provided by the present invention has the protruding portion for protruding from 1 outer surface of surface layer, and protruding portion has prominent table Face, surface layer 1 are at least disposed with prominent surface with body liquids outlet opposite position, when user's wearing, the protruding portion Protrusion surface can fit with the physical feeling of wearer, in this way, from body outlet flow out liquid will not be in skin Upper sliding only from prominent surface rapid osmotic to lower layer's absorbed layer 3 after the discharge of the liquid such as menses, and passes through sanitary napkin internal capillary Effect is conducted to sanitary napkin, and leakage problem is greatly reduced.
Protruding portion can effectively increase absorption area simultaneously, can reduce the length and width of sanitary towels, reduce and produce Product use cost.For example, sanitary napkin can only need 290mm that can reach existing ight to 350mm length after increasing protruding portion The using effect of length 420mm sanitary napkin.
In a preferred embodiment, protruding portion is by including at least each layer for forming absorbent article including surface layer Material is longitudinally convex by folding the center that pressing process is formed.That is, protruding portion can be by surface layer or surface layer and its His several layer of material formed entirely through fold pressing process formed it is upward longitudinally convex.
It only needs to increase a folding pressing process in absorbent article processing technology in the prior art in this way, i.e., it is plastic Absorbent article of the present invention, molding is simple, easy to implement, can reduce the forming cost of absorbent article.
Further, prominent surface may include top and extend to two of 1 outer surface of surface layer from top longitudinal edge Sidewall portion, certainly, top can have preset width, and top can be arc-shaped structure.The altitude range at top is 5mm- 20mm.In the various embodiments described above, transversely, the lateral distance range between the two side walls portion root on prominent surface is 10mm- 20mm.It should be noted that absorbent article length direction is defined as longitudinal direction herein, the direction being transversely to the machine direction in the horizontal plane For transverse direction.That is, the width range of protruding portion and 1 connecting position of surface layer is 10mm-20mm, the width is according to sanitary napkin Concrete type Rational choice, the preferred 18mm of the width in a kind of specific product.
In a specific embodiment, surface layer 1 may include main part and protrusion, and main part is compound fixed with absorbed layer 3 Position, protrusion swells the protrusion surface for being formed and longitudinally being extended with respect to main part upwards, and protrusion is surrounded with respective absorption layer 3 Cavity, cavity are filled with adhesive material or imbibition material.
Different according to the structure for forming protruding portion 6, there is shown herein following several embodiments.
In the first specific embodiment, protrusion surface is directly formed by surface layer 1, and when in order to make to wear, protrusion table Face can be bonded with the person, and the cavity of surface layer 1 and the formation of lower layer's corresponding construction is filled by adhesive material or imbibition material.Especially It is filled cavity by imbibition material and further increases imbibition area.
In second of specific embodiment, surface layer 1 and each material layer being disposed below are compounded to form an entirety knot After structure, which suppresses and positions the protruding portion to be formed and longitudinally be extended by folding, and protruding portion Internal layer fold plane is formed equipped with glue-line.
By taking sanitary napkin is provided only with surface layer 1, absorbed layer 3 and leakproof bottom film 4 as an example, surface layer 1, absorbed layer 3 and leakproof bottom film 4 It is compounded to form an overall structure, this integrally-built is then formed into protruding portion 6 partially along upward protuberance.In this way without increasing Protruding portion 6 can be realized in other component.The positioning of protruding portion 6 can be formed by the way that adhesive layer 5 is arranged in leakproof bottom film 4 The opposite surface setting adhesive layer 5 drawn close of the leakproof bottom film 4 of protruding portion 6, and then the opposite surface drawn close of leakproof bottom film 4 is bonded Positioning.
In the third specific embodiment, absorbent article further includes guide layer 2, for carrying out water conservancy diversion to liquid；Guide layer 2 It is set between surface layer 1 and absorbed layer 3, surface layer 1 and the guide layer 2, absorbed layer 3, leakproof bottom film 4 that are located under it are at least one of After person is compounded to form entirety, which locally swells upwards and positions the protruding portion 6 to be formed and longitudinally be extended.
The third specific embodiment can form different protruding portions 6 according to the difference of the stroke sanitary napkin number of plies.
Embodiment 1:
Referring again to Fig. 2, surface layer 1 and guide layer 2 are first compounded to form entirety, then form surface layer 1 and guide layer 2 Protuberance forms the protruding portion 6 longitudinally extended upwards for whole part.Again by with the protruding portion 6 surface layer 1 and guide layer 2 it is whole with Absorbed layer 3, leakproof bottom film 4 etc. are fixed.
Embodiment 2:
Referring to FIG. 3, surface layer 1, guide layer 2 and absorbed layer 3 can also first be compounded to form entirety, then by surface layer 1, water conservancy diversion Protuberance forms the protruding portion 6 longitudinally extended upwards for the whole part that layer 2 and 3 three of absorbed layer are formed, then will be with protruding portion 6 Surface layer 1, the entirety of guide layer 2 and absorbed layer 3 and leakproof bottom film 4 are fixed.
Other embodiments are not described further.
In the various embodiments described above, surface layer 1 and at least one layer under it position to form composite layer by combination process, into Before entering the embossing of diversion trench center, the above-mentioned composite layer including surface layer 1 is formed into folding line by folding technology to form protruding portion.
In above-mentioned second embodiment and 3rd embodiment, with respect to two medial surfaces drawn close, at least one is provided with protruding portion Adhesive layer.
Above-mentioned each protruding portion 6 preferably extends along the center longitudinal plane of absorbent article, and is arranged symmetrically about center longitudinal plane.
About absorbent article other structures, refer to the prior art, is not described in detail herein.
On the basis of above-mentioned absorbent article, the present invention also provides a kind of moulding process of absorbent article, the molding works Skill the following steps are included:
S1, it is placed in folding station by the surface layer of absorbent article or by the overall structure for first passing through combination process formation in advance, Wherein the overall structure include surface layer and be located at surface layer below at least one material layer；
Material layer described herein can be above-mentioned guide layer, absorbed layer or leakproof bottom film any one of them.
S2, it suppresses surface layer or overall structure to form protruding portion raised along longitudinal direction using idler wheel.
Wherein form above-mentioned protruding portion technique can there are many, following present two kinds of specific embodiments.
Referring to FIG. 4, idler wheel 72 is installed on rack 71, folding station by bearing in the first specific embodiment Including folding platform, folding platform is provided with longitudinal groove towards idler wheel 72 on one side；When processing, surface layer 1 or overall structure It is placed in folding station, suppresses by the outer rim of idler wheel 72 and the cooperation of longitudinal groove and to form protruding portion.
Referring to FIG. 5, idler wheel includes axial the first parallel idler wheel 74 and the second rolling in second of specific embodiment Wheel 75, circumferentially, the first idler wheel 74 and the second idler wheel 75 are respectively arranged with opposite annular convex platform and annular groove, annular convex platform and Annular groove matches；When processing, surface layer 1 or overall structure are placed between the first idler wheel 74 and the second idler wheel 75, are passed through The cooperation of annular convex platform and annular groove is suppressed to form protruding portion.
Idler wheel in the various embodiments described above can be rotationally connected in rack 71 by bearing.
Further, following steps S3 can also be increased, folding pressed absorbent article sizing sizing protruding portion.
A kind of absorbent article provided by the present invention and its moulding process are described in detail above.It is used herein A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this , can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention In scope of protection of the claims.

Claims (11)

1. a kind of absorbent article, surface layer (1) including leakproof bottom film (4), with lyophily transparent liquid ability and it is set to the face Absorbed layer (3) between layer (1) and the leakproof bottom film (4), which is characterized in that it further include protruding portion (6), energy when at least dressing Enough it is formed in the surface layer (1) outer surface；The protruding portion (6) has the protrusion surface protruded towards outside, the prominent table Face has penetrating power, and the prominent surface longitudinal extends, body corresponding to wearer when the prominent surface configuration is at wearing The shape that position fits, and the surface layer (1) is at least disposed with the protrusion with body liquids outlet opposite position Surface.
2. absorbent article as described in claim 1, which is characterized in that the protruding portion (6) is to be existed by including at least surface layer (1) The layers of material of the interior formation absorbent article is longitudinally convex by folding the center that pressing process is formed.
3. absorbent article as claimed in claim 2, which is characterized in that the prominent surface includes top and from top longitudinal edge Edge extends to the two side walls portion of surface layer (1) outer surface, and the altitude range at the top is 5mm-20mm；Or
Transversely, the lateral distance range between the two side walls portion root on the prominent surface is 10mm-20mm.
4. absorbent article as claimed in claim 2, which is characterized in that the surface layer (1) includes main part and protrusion, described Main part and the absorbed layer (3) compound positioning, the relatively described main part of the protrusion swells upwards to be formed the longitudinal direction and prolongs The protrusion surface stretched, and the protrusion and the corresponding absorbed layer (3) surround cavity, and the cavity is filled with adhesive material Or imbibition material；Alternatively,
The absorbent article further includes guide layer (2), for carrying out water conservancy diversion to liquid；The guide layer (2) is set to the face Between layer (1) and the absorbed layer (3), the surface layer (1) under it the guide layer (2), the absorbed layer (3), One is compounded to form entirety to the leakproof bottom film (4) at least within, which swells upwards and position described in formation The protruding portion (6) longitudinally extended.
5. absorbent article as claimed in claim 2, which is characterized in that the surface layer (1) and each material layer being disposed below After being compounded to form an overall structure, which suppresses and positions to form longitudinal extension by folding Protruding portion (6), and the internal layer fold plane of the protruding portion (6) equipped with glue-line be formed.
6. absorbent article as claimed in claim 4, which is characterized in that the surface layer (1) and at least one layer under it are led to It crosses combination process to position to form composite layer, into before the embossing of diversion trench center, by the above-mentioned composite layer including the surface layer (1) Folding line is formed by folding technology to form the protruding portion (6).
7. absorbent article as claimed in claim 4, which is characterized in that opposite two medial surfaces drawn close of the protruding portion (6) At least one is provided with adhesive layer.
8. such as the described in any item absorbent articles of claim 2 to 7, which is characterized in that the protruding portion (6) is longitudinally through entire The surface layer (1).
9. a kind of moulding process of absorbent article, which is characterized in that the moulding process the following steps are included:
It is placed in folding station by the surface layer (1) of absorbent article or by the overall structure for first passing through combination process formation in advance, wherein The overall structure includes surface layer (1) and at least one material layer below surface layer (1)；
It suppresses surface layer (1) or overall structure to form protruding portion (6) raised along longitudinal direction using idler wheel
The sizing sizing protruding portion (6).
10. the moulding process of absorbent article as claimed in claim 9, which is characterized in that the idler wheel is pacified by bearing (73) Loaded on rack (71), the folding station includes folding platform, and the folding platform is vertical towards being provided on one side for the idler wheel To groove；When processing, the surface layer (1) or overall structure are placed in the folding station, by the outer rim of the idler wheel and The cooperation of the longitudinal groove is suppressed to form the protruding portion (6).
11. the moulding process of absorbent article as claimed in claim 9, which is characterized in that the idler wheel includes axial parallel First idler wheel (74) and the second idler wheel (75), circumferentially, first idler wheel (74) and second idler wheel (75) are respectively set There are opposite annular convex platform and annular groove, the annular convex platform and the annular groove match；When processing, the surface layer (1) Or overall structure is placed between first idler wheel (74) and second idler wheel (75), passes through the annular convex platform and institute The cooperation for stating annular groove is suppressed to form the protruding portion (6).
CN201910585815.3A 2019-07-01 2019-07-01 A kind of absorbent article and its moulding process Pending CN110169871A (en)

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CN110169871A true CN110169871A (en) 2019-08-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111658329A (en) * 2020-07-17 2020-09-15 湖北丝宝股份有限公司 Absorbent product

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331355A (en) * 1941-09-18 1943-10-12 Herman L Strongson Catamenial pad
WO1999055269A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising longitudinally-oriented absorbent hump having distinctive hump-forming element configuration
US20020026170A1 (en) * 1996-11-15 2002-02-28 Ann Samulesson Absorbent article with a raised portion
CN209021003U (en) * 2018-09-19 2019-06-25 湖北雷迪特冷却***股份有限公司 A kind of Novel rolling formula automotive heat exchanger baffle process equipment
CN210472402U (en) * 2019-07-01 2020-05-08 湖北丝宝股份有限公司 Absorbent product

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331355A (en) * 1941-09-18 1943-10-12 Herman L Strongson Catamenial pad
US20020026170A1 (en) * 1996-11-15 2002-02-28 Ann Samulesson Absorbent article with a raised portion
WO1999055269A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Sanitary napkin comprising longitudinally-oriented absorbent hump having distinctive hump-forming element configuration
CN209021003U (en) * 2018-09-19 2019-06-25 湖北雷迪特冷却***股份有限公司 A kind of Novel rolling formula automotive heat exchanger baffle process equipment
CN210472402U (en) * 2019-07-01 2020-05-08 湖北丝宝股份有限公司 Absorbent product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111658329A (en) * 2020-07-17 2020-09-15 湖北丝宝股份有限公司 Absorbent product

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