WO2010084980A1 - 吸収性物品の製造装置、吸収性物品の製造方法及び吸収性物品 - Google Patents
吸収性物品の製造装置、吸収性物品の製造方法及び吸収性物品 Download PDFInfo
- Publication number
- WO2010084980A1 WO2010084980A1 PCT/JP2010/050873 JP2010050873W WO2010084980A1 WO 2010084980 A1 WO2010084980 A1 WO 2010084980A1 JP 2010050873 W JP2010050873 W JP 2010050873W WO 2010084980 A1 WO2010084980 A1 WO 2010084980A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbent article
- width direction
- rear end
- extending
- roll
- Prior art date
Links
- 230000002745 absorbent Effects 0.000 title claims abstract description 117
- 239000002250 absorbent Substances 0.000 title claims abstract description 117
- 238000004519 manufacturing process Methods 0.000 title claims description 44
- 238000003825 pressing Methods 0.000 claims abstract description 37
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000037303 wrinkles Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 206010021639 Incontinence Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
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
- A61F13/51—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
- A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
-
- 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
- A61F13/15723—Partitioning batts; Cutting
-
- 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
- A61F13/15739—Sealing, e.g. involving cutting
-
- 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
- A61F13/56—Supporting or fastening means
- A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
- A61F13/5611—Supporting or fastening means specially adapted for sanitary napkins or the like using fastening strips, e.g. adhesive, on the undergarment-facing side
-
- 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
- A61F13/56—Supporting or fastening means
- A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
- A61F13/5616—Supporting or fastening means specially adapted for sanitary napkins or the like using flaps, e.g. adhesive, for attachment to the undergarment
Definitions
- the present invention is an apparatus for manufacturing an absorbent article that is provided on the outer side in the width direction of the absorbent article than the absorbent body, extends to the outer side in the width direction of the absorbent body, and includes an extending portion configured by a plurality of sheets,
- the present invention relates to an absorbent article manufacturing method and an absorbent article.
- the absorbent article such as sanitary napkins and panty liners have a vertically long shape extending from the front side to the rear side of the wearer.
- the absorbent article is composed of a liquid-permeable top sheet in contact with the wearer's skin, a liquid-impermeable back sheet provided on the non-wearer side of the top sheet, and a top sheet and a back sheet. And an absorber provided therebetween.
- Such an absorbent article is provided with a wing part (extension part) that is folded back to the crotch part (crotch part) of the shorts and stopped by the shorts.
- a wing part is provided in the width direction outer side of an absorbent article rather than an absorber, and is extended in the width direction outer side of an absorber.
- the wing portion is disposed on the back side of the wearer from the front end inclined portion with respect to the front end inclined portion so as to be inclined toward the rear side as going to the outer side in the width direction of the absorbent article. It has a front end inclined portion and a rear end inclined portion inclined to the opposite side so as to face the rear side as it goes to (see, for example, Patent Document 1).
- the wing portion is formed by extending a plurality of sheets, that is, a normal front sheet and a back sheet. Therefore, a pair of press rolls are used for the front end inclined portion and the rear end inclined portion of the wing portion, so that a specific portion of the plurality of sheets is pressed to join the plurality of sheets, so-called embossing. Is done.
- the pressing convex portion includes a front end convex portion that presses a front end inclined portion corresponding to the front end inclined portion of the outer edge region portion, and a rear end inclined portion corresponding to the rear end inclined portion of the outer edge region portion. And a rear end convex portion that presses.
- the conventional method for manufacturing absorbent articles described above has the following problems. That is, the front end convex portion presses the inclined portion of the front end so as to face the rear side as it goes outward in the width direction of the absorbent article, but the rear end convex portion moves toward the inner side in the width direction of the absorbent article.
- the rear end inclined portion is pressed so as to face the rear side.
- the rear end convex portion presses the rear end inclined portion toward the inner side in the width direction of the absorbent article, and therefore the continuous body is moved to the center, and wrinkles are generated in the continuous body. There was a problem that defects occurred.
- the present invention provides an absorptivity due to the occurrence of wrinkles in the continuous body when the plurality of sheets are joined by pressing the outer edge region portion of the continuous body corresponding to the extending portion formed by the plurality of sheets.
- An object of the present invention is to provide an absorbent article manufacturing apparatus, an absorbent article manufacturing method, and an absorbent article that can suppress defective manufacturing of the article.
- the first feature of the present invention is that a liquid-permeable top sheet (top sheet 10), a liquid-impermeable back sheet (back sheet 20), and provided between the top sheet and the back sheet.
- An absorbent article manufacturing apparatus (absorbent article manufacturing apparatus 100) comprising an absorbent body (absorbent body 30) that is provided, wherein the absorbent article is provided outside the absorbent body in the width direction of the absorbent article. And extending further to the outer side in the width direction of the absorbent body, and further comprising an extending portion (extending portion 50) constituted by a plurality of sheets, and the extending portion of the continuous body in which the plurality of sheets are continuous.
- a roll e.g., a lower press roll 110B that presses an outer edge region portion (outer edge region portion 81) corresponding to the outer edge region of the part, and the extending portion extends from the front to the rear in the rotation direction of the roll, Outside the width direction of the continuum
- a plurality of outer and inner convex portions (for example, rear end convex portions 115) that protrude and press the inclined region portion (rear end inclined region portion 81S) corresponding to the outer inner inclined region of the outer edge region portions;
- the gist is that the extending direction of the outer / inner convex portion is different from the extending direction of the outer / inner contour line (rear end contour line 87) along the shape of the outer / inclined portion in the inclined region portion.
- the absorbent article manufacturing apparatus when a plurality of sheets are joined by pressing the outer edge region portion of the continuum corresponding to the extending portion formed by the plurality of sheets, the absorbency due to the occurrence of wrinkles in the continuum. It is possible to provide an absorbent article manufacturing apparatus, an absorbent article manufacturing method, and an absorbent article that can suppress defective manufacturing of the article.
- FIG. 1 is a perspective view of an absorbent article 1 according to the first embodiment.
- FIG. 2 is a perspective view of the absorbent article manufacturing apparatus 100 according to the first embodiment.
- FIG. 3 is a perspective view of the lower press roll 110B according to the first embodiment.
- FIG. 4 is a development view of the lower press roll 110B according to the first embodiment.
- FIG. 5 is a view showing the continuum 80 that has passed through the press roll 110 according to the first embodiment.
- FIG. 6A is a perspective view of the upper cut roll 120A according to the first embodiment
- FIG. 6B is a development view of the upper cut roll 120A according to the first embodiment.
- FIG. 7 is a perspective view of the lower press roll 210 according to the second embodiment.
- FIG. 8 is a development view of the lower press roll 210 according to the second embodiment.
- FIG. 9 is a view showing the continuum 80 that has passed through the press roll 200 according to the second embodiment.
- FIG. 10 is a diagram illustrating the continuum 80 that has passed the cut roll 120 according to the second embodiment.
- FIG. 11A is a perspective view of the upper cut roll 310 according to the third embodiment, and
- FIG. 11B is a development view of the upper cut roll 310 according to the third embodiment.
- FIG. 12 is a diagram illustrating the continuum 80 that has passed the cut roll 300 according to the third embodiment.
- FIG. 1 is a perspective view of an absorbent article 1 according to the first embodiment.
- the absorbent article 1 according to the first embodiment is a sanitary napkin.
- the absorbent article 1 has a vertically long shape extending from the front side of the wearer to the rear side.
- the absorbent article 1 includes a liquid-permeable top sheet 10 that is in contact with the wearer's skin, a liquid-impermeable back sheet 20 that is provided closer to the non-wearer than the top sheet 10, and the top sheet 10 and the back sheet 20.
- side sheets 40 provided on both sides in the width direction W of the width direction W side portion of the topsheet 10 orthogonal to the longitudinal direction L of the absorbent article 1.
- the absorbent article 1 further includes an extending portion 50 that is provided on the outer side in the width direction W of the absorbent article 1 than the absorbent body 30 and extends outward in the width direction W of the absorbent body 30.
- the extending part 50 is composed of a plurality of sheets (for example, the back sheet 20 and the side sheets 40).
- the extension part 50 is folded back to the crotch part (crotch part) of the shorts and is provided on the rear side of the wearer with respect to the front wing part 60 that is fastened to the shorts, and absorbs along the shape of the shorts. It is comprised by the back wing part 70 extended to the width direction W outer side of the property article 1.
- the extending portion 50 (the front wing portion 60 and the rear wing portion 70) includes a front end inclined portion 50A (inner / outer inclined portion) that is inclined so as to face the rear side as it goes outward in the width direction W of the absorbent article 1.
- the front end inclined portion 50A and the rear end inclined portion 50B (outer / inner inclined portion) that inclines to the opposite side are provided so as to face the rear side in the widthwise direction W of the absorbent article 1.
- the front end inclined portion 50A is directed from the inside of a continuous body (hereinafter simply referred to as a continuous body 80) in which a plurality of sheets are continuous from the front to the rear in the rotational direction RD of the press roll 110, which will be described later, from the inside in the width direction CD. Tilt.
- the width direction CD of the continuum 80 indicates a direction substantially orthogonal to the transport direction MD in which the continuum is transported (see FIG. 2).
- the rear end inclined portion 50B is inclined from the front side to the rear side in the rotation direction RD of the press roll 110 from the outer side in the width direction CD of the continuous body 80 toward the inner side in the width direction CD.
- the rear end inclined portion 50B is located at the same position as the rear end inclined portion 50B in the width direction CD of the continuum 80 and is included in the rear end inclined region 51 (outer inner inclined region) in the width direction CD of the rear end inclined portion 50B. .
- the front wing portion 60 is connected to a width direction W outer side of the front end inclined portion 50A and a width direction W outer side of the rear end inclined portion 50B. 50C is provided.
- FIG. 2 is a perspective view of the absorbent article manufacturing apparatus 100 according to the first embodiment.
- the absorbent article manufacturing apparatus 100 includes a pair of press rolls 110 that press the continuous body 80, and a cut roll that cuts the continuous body 80 that has passed through the press roll 110 into the shape of the absorbent article 1. 120.
- the press roll 110 has an upper press roll 110A located above the continuum 80 and a lower press roll 110B located below the continuum 80.
- the upper press roll 110 ⁇ / b> A and the lower press roll 110 ⁇ / b> B rotate around an axis (not shown) as the continuous body 80 is conveyed.
- the lower press roll 110B has a plurality of pressing protrusions 111 that protrude outward in the radial direction of the lower press roll 110B. Details of the lower press roll 110B will be described later.
- the cut roll 120 has an upper cut roll 120A positioned above the continuous body 80 and a lower cut roll 120B positioned below the continuous body 80.
- the upper cut roll 120A and the lower cut roll 120B rotate around an axis (not shown) as the continuum 80 is conveyed.
- the upper cut roll 120A has a cut projection 121 that protrudes radially outward of the upper cut roll 120A. Details of the upper cut roll 120A will be described later.
- FIG. 3 is a perspective view showing the lower press roll 110B according to the first embodiment.
- FIG. 4 is a development view showing the lower press roll 110B according to the first embodiment.
- FIG. 5 is a view showing the continuum 80 that has passed through the press roll 110 according to the first embodiment.
- the some press convex part 111 formed in the lower side press roll 110B is the shape of the absorbent article 1 among the continuous bodies 80 shown in FIG.
- the product outer shape part 1A corresponding to the outer shape is pressed. That is, the pressing convex portion 111 presses the outer edge region portion 81 corresponding to the outer edge of the extending portion 50 (the front wing portion 60 and the rear wing portion 70) in the product outer shape portion 1A of the continuous body 80.
- the pressing convex portion 111 has a plurality of front ends that press the front end inclined portion 81A (inner and outer inclined portions) corresponding to the front end inclined portion 50A in the outer edge region portion 81.
- a plurality of rear end convex portions 115 (outer inner convex portions) that press the portion 81B (outer inner inclined portion) and a plurality of intermediate convex portions that press the connecting portion 81C corresponding to the connecting portion 50C in the outer edge region portion 81. 117.
- the plurality of front end convex portions 113 have a vertically long shape.
- the plurality of front end convex portions 113 are arranged at a predetermined interval.
- Extending directions LD 1 of the front end protrusion 113 is the same as the extending direction of the front contour 83 along the shape of the front end inclined portion 81A (inner and outer contour). Note that the extending directions LD 1 of the front end protrusions 113, passes through the center of the front end protrusions 113, indicating the direction along the long side direction of the front end protrusions 113.
- the plurality of rear end convex portions 115 have a vertically long shape longer than the front end convex portion 113.
- the plurality of rear end convex portions 115 are arranged at a predetermined interval.
- the rear end convex part 115 is cut by the product inner convex part 115 ⁇ / b> A that presses the rear end inclined portion 81 ⁇ / b> B corresponding to the product shape of the absorbent article 1 after the continuous body 80 is cut by the cut roll 120.
- a product outer convex portion 115B that presses the rear end inclined portion 81B corresponding to the outside of the product shape of the absorbent article 1 after being cut by the roll 120 is provided.
- the product inner convex portion 115A has a vertically long shape shorter than the product outer convex portion 115B. That is, the product outer convex portion 115B has a vertically long shape longer than the product inner convex portion 115A.
- Extending directions LD 2 of the rear end protrusions 115 may extend the rear contour 87 follows the shape of the rear end inclined portion 81B (outer and inner contour) Different from direction.
- the imaginary line that is, the extending direction LD 2
- the extending direction LD 2 that connects the centers of the plurality of rear end convex portions 115 and extends in the longitudinal direction of the rear end convex portion 115 is the rear end along the shape of the rear end inclined portion 81B. It differs from the extending direction of the contour line 87.
- Extending directions LD 2 of such rear projection unit 115 is different from the extending direction LD 1 of the front end protrusions 113 described above. Note that the extending directions LD 2 of the rear end protrusions 115, passes through the center of the rear convex portion 115 indicates the direction along the long side direction of the rear projecting portion 115.
- the extending direction LD 2 of the rear end convex portion 115 is preferably ⁇ 10 to 60 ° (angle ⁇ ) with respect to the center line CL in the width direction of the continuum 80.
- the extending direction LD 2 of the rear end protrusions 115 are preferably than the extending direction of the rear end contour 87 toward the width direction CD outside of the continuum 80. Note that extending directions LD 2 of the rear end protrusions 115 are all identical.
- the plurality of intermediate protrusions 117 have the same shape as the plurality of front end protrusions 113.
- the plurality of intermediate protrusions 117 are arranged at predetermined intervals along the rotation direction RD of the lower press roll 110B.
- the total length L1 of the rear end convex portion 115 along the width direction RW of the lower press roll 110B orthogonal to the rotation direction RD of the lower press roll 110B is along the width direction RW of the lower press roll 110B. Further, it is preferably 30 to 300% with respect to the total length L2 of the intermediate convex portions 117.
- the total length L1 of the rear end convex part 115 is 9.0 mm
- the total length L2 of the intermediate convex part 117 is 4.5 mm.
- the total length L1 of the rear end convex portion 115 is a value measured at the center of the rotation direction RD of the lower press roll 110B in the rear end convex portion 115.
- the total length L2 of the intermediate protrusion 117 is a value measured at the center of the rotation direction RD of the lower press roll 110B in the intermediate protrusion 117.
- FIG. 6A is a perspective view showing the upper cut roll 120A according to the first embodiment.
- FIG. 6B is a development view showing the upper cut roll 120A according to the first embodiment.
- the cut protrusion 121 formed on the upper cut roll 120A has the continuum 80 in the shape of the absorbent article 1, that is, the outer shape of the absorbent article 1.
- the product outer shape portion 1A is cut.
- the cut convex portion 121 has the same shape as the product outer shape portion 1A on the surface of the upper cut roll 120A.
- the cut roll 120 manufactures the absorbent article 1 by cutting the product outer shape part 1 ⁇ / b> A of the continuous body 80.
- the manufacturing method of an absorbent article presses the outer edge area
- a process B, a process C for conveying the continuous body 80 to the pair of cut rolls 120, and a process D for cutting the outer edge region 81 of the continuous body 80 by the pair of cut rolls 120 are included.
- step A the continuous body 80 is conveyed between the pair of press rolls 110 by a conveyance mechanism (not shown) such as a conveyance roller or a belt conveyor.
- a conveyance mechanism such as a conveyance roller or a belt conveyor.
- the continuous body 80 is conveyed between the pair of press rolls 110 in the order of the front end inclined portion 81A corresponding to the front end inclined portion 50A and the rear end inclined portion 81B corresponding to the rear end inclined portion 50B.
- step B the outer edge region 81 of the continuum 80 is pressed by the pair of press rolls 110.
- the pressing convex portion 111 formed on the lower press roll 110B presses the outer edge region portion 81 of the continuous body 80, thereby forming an embossed portion 90 in the outer edge region portion 81 (see FIG. 5).
- the front end convex portion 113 of the pressing convex portion 111 presses the front end inclined portion 81 ⁇ / b> A corresponding to the front end inclined portion 50 ⁇ / b> A of the outer edge region portion 81, thereby A front embossed portion 91 (first pressing portion) is formed in the front end inclined portion 81A.
- the rear end convex portion 115 of the pressing convex portion 111 presses the rear end inclined portion 81B corresponding to the rear end inclined portion 50B of the outer edge region portion 81, thereby causing the rear end inclined portion 81B to be rearward.
- a side embossed portion 93 (second pressing portion) is formed.
- the intermediate protrusion 117 of the pressing protrusion 111 presses the connecting part 81C corresponding to the connecting part 50C of the outer edge region part 81, thereby forming the connecting embossed part 95 in the connecting part 81C.
- the extending directions LD 2 of the rear end protrusions 115 are different from the extending direction LD 1 of the front end protrusion 113, the extending direction of the rear embossing unit 93 is different from the extending direction of the front embossed portions 91 .
- the extending direction of the rear embossed portion 93 is different from the rear end contour 87 (outer inner contour) along the shape of the rear end inclined portion 50B (outer inner inclined portion).
- the extending direction of the front embossed portion 91 (second pressing portion) is the same as the front end contour line 83 (inner / outer contour line) along the shape of the front end inclined portion 50A (inner / outer inclined portion).
- step C as in step A, the continuous body 80 is conveyed between the pair of cut rolls 120 by a conveyance mechanism (not shown) such as a conveyance roller or a belt conveyor.
- a conveyance mechanism such as a conveyance roller or a belt conveyor.
- step D the outer edge region 81 of the continuous body 80 that has passed through the press roll 110 is cut by the pair of cut rolls 120. That is, the cut convex portion 121 formed on the upper cut roll 120A presses the product outer shape portion 1A corresponding to the outer shape of the absorbent article 1 to cut the product outer shape portion 1A. Thereby, the absorbent article 1 is shape
- the cut absorbent article 1 is conveyed to the next process by a conveyance mechanism 130 (for example, a belt conveyor).
- a conveyance mechanism 130 for example, a belt conveyor
- the remaining continuum 80 other than the absorbent article 1 is collected in a collection device (not shown) via a conveyance roller (not shown).
- the extending direction LD 2 of the rear end convex portion 115 is different from the extending direction LD 1 of the front end convex portion 113. According to this, since the continuous body 80 is further suppressed from being moved to the center, it is possible to prevent the continuous body 80 from being wrinkled.
- the extending direction LD 2 of the rear end convex portion 115 is more continuous than the extending direction of the rear end contour line 87. Heading outward in the width direction CD. According to this, since the continuous body 80 is reliably suppressed from being moved to the center, the continuous body 80 is easily pulled outside the width direction CD of the continuous body 80 by the rear end convex portion 115, and the continuous body 80 is wrinkled. Can be reliably prevented.
- the extending direction LD 2 of the rear end protrusions 115 by all the same, even when the continuous body 80 becomes likely to be closer to the center, facing the same extending directions LD 2
- the rear end convex portion 115 makes it easier to pull the continuous body 80 to the outside of the continuous body 80 in the width direction CD.
- the extending direction LD 2 of the rear end convex portion 115 is ⁇ 10 to with respect to the center line CL in the width direction of the continuous body 80. It is preferably 60 ° (angle ⁇ ).
- the extending direction LD 2 of the rear end protrusions 115 is smaller than -10 ° with respect to the width-direction center line CL, tends continuous body 80 provided by, the central, wrinkle occurs in the continuous body 80 It may not be possible to prevent this.
- the extending direction LD 2 of the rear end protrusions 115 is greater than 60 ° with respect to the width-direction center line CL, will pull more than necessary in the width direction CD continuous body 80 to the outside of the continuous body 80, continuous The body 80 may stretch.
- the total length L1 of the rear end convex portion 115 is 30 to 300% with respect to the total length L2 of the intermediate convex portion 117. It is preferable that If the total length L1 is smaller than 30% with respect to the total length L2, the force is excessively increased locally when the continuous body 80 is pressed. 80 may be pulled at a stretch and wrinkles may occur. On the other hand, if the total length L1 is larger than 300% with respect to the total length L2, the force for pressing the continuum 80 becomes too weak, so that the continuum 80 is sufficiently outside the width direction CD of the continuum 80. In some cases, the continuous body 80 in which a plurality of sheets are continuous cannot be joined.
- the extending direction of the rear embossed portion 93 is different from the rear end contour line 87 along the shape of the rear end inclined portion 50B, and the extending direction of the front embossed portion 91 is This is the same as the front end contour line 83 along the shape of the front end inclined portion 50A. According to this, since the designs of the rear embossed portion 93 and the front embossed portion 91 are different, the front and rear of the absorbent article 1 can be easily recognized. This is particularly effective when the absorbent article 1 is not provided with the rear wing part 70 and the front wing part 60 is disposed at the center in the longitudinal direction L of the absorbent article 1.
- the extending direction of the rear embossed portion 93 is along the longitudinal direction L of the absorbent article 1, when the front wing portion 60 is folded back to the crotch portion (crotch portion) of the shorts, the rear embossed portion 93 becomes a starting point, and handling of the absorbent article 1 becomes easy.
- FIG. 7 is a perspective view showing the lower press roll 210 according to the second embodiment.
- FIG. 8 is a development view showing the lower press roll 210 according to the second embodiment.
- FIG. 9 is a view showing the continuum 80 that has passed through the press roll 200 according to the second embodiment.
- the lower press roll 210 is formed with a plurality of pressing protrusions 211 that protrude outward in the radial direction of the lower press roll 210.
- the pressing convex portion 211 presses the shape of the absorbent article 1 in the continuous body 80, that is, the product outer shape portion 1 ⁇ / b> A corresponding to the outer shape of the absorbent article 1. That is, the pressing convex portion 211 presses the outer edge region portion 81 corresponding to the outer edge of the extending portion 50 (the front wing portion 60 and the rear wing portion 70) in the product outer shape portion 1A of the continuous body 80.
- the pressing convex portion 211 includes a plurality of front end convex portions 213 (inner and outer convex portions) that press the front end inclined portion 81A (inner and outer inclined portions) corresponding to the front end inclined portion 50A in the outer edge region portion 81, and the outer edge.
- a plurality of intermediate convex portions 217 that press the connecting portion 81C corresponding to the connecting portion 50C.
- the configurations of the front end convex portion 213 and the intermediate convex portion 217 are the same as the configurations of the front end convex portion 113 and the intermediate convex portion 117 described in the first embodiment.
- the rear end convex portion 215 is located at the same position as the rear end inclined portion 50B (rear end inclined portion 81B) in the width direction CD of the continuous body 80 and corresponds to the rear end inclined region 51 in the outer edge region portion 81.
- the inclined region part 81S is pressed.
- the rear end convex portion 215 has the same shape as the front end convex portion 213, and corresponds to the rear end contour line 87 along the shape of the rear end inclined portion 81B in the rear end inclined region portion 81S.
- the rear end contour convex portion 215A and the auxiliary convex portion 215B having a vertically long shape longer than the rear end contour convex portion 215A are provided.
- the configuration of the rear end contour convex portion 215A is the same as that of the front end convex portion 213.
- the auxiliary convex portion 215 ⁇ / b> B presses at least a part of the rear end inclined region portion 81 ⁇ / b> S corresponding to the rear end inclined region 51 in the outer edge region portion 81.
- the auxiliary convex portion 215B is provided at the same position as the rear end contour convex portion 215A in the width direction of the continuous body 80 and on the outer side in the width direction of the continuous body 80 than the rear end inclined portion 81B.
- the auxiliary convex portion 215 ⁇ / b> B is provided over the entire circumference of the lower press roll 210.
- auxiliary convex portion 215B is not necessarily provided over the entire circumference of the lower press roll 210, and may be provided at least at the same position as the rear end contour convex portion 215A in the width direction of the continuous body 80. .
- auxiliary convex portion 215B does not necessarily have a vertically long shape longer than the rear end contour convex portion 215A, and has a shape equivalent to the rear end contour convex portion 215A or a rear end contour convex portion 215A.
- the shape may have a short length.
- the configuration of the continuum 80 that has passed through the press roll 200 will be described with reference to FIG.
- the continuum 80 that has passed through the press roll 200 has a rear end corresponding to the rear end inclined portion 50 ⁇ / b> B of the outer edge region portion 81 by the rear end contour convex portion 215 ⁇ / b> A of the pressing convex portion 111.
- the inclined portion 81B is pressed.
- the rear embossed portion 97 is formed in the continuum 80.
- the extending direction LD 3 of the rear end edge protrusion 215A is the same as the extending direction of the rear end contour 87 along the shape of the rear end inclined portion 81B, the extending direction of the rear embossed portions 97 This is the same as the extending direction of the rear end contour line 87 along the shape of the rear end inclined portion 81B.
- the continuous body 80 that has passed through the press roll 200 is at least one of the rear end inclined region part 81S corresponding to the rear end inclined region 51 of the outer edge region part 81 by the auxiliary convex part 215B of the pressing convex part 111. The part is pressed. Thereby, the auxiliary embossed part 99 is formed in the continuous body 80.
- the extension of the auxiliary protruding portion 215B extending direction LD 4 is different from the extending direction of the rear end contour 87 along the shape of the rear end inclined portion 81B, the extending direction LD 4 of the auxiliary embossed portions 99, the rear end It differs from the extending direction of the rear end contour line 87 along the shape of the inclined portion 81B.
- FIG. 10 is a diagram illustrating the continuum 80 that has passed the cut roll 120 according to the second embodiment.
- the outer edge region portion 81 is cut by the pair of cut rolls 120. Thereby, although the back side embossed part 97 remains in the cut absorbent article 1, the auxiliary embossed part 99 does not remain.
- the auxiliary convex portion 215B of the rear end convex portion 215 is located at the same position as the rear end contour convex portion 215A in the width direction of the continuous body 80 and is more than the rear end inclined portion 81B. It is provided outside the width direction CD of the continuum 80. According to this, since the continuous body 80 is suppressed from being moved to the center by the auxiliary convex portion 215B as in the first embodiment, it is possible to prevent wrinkles from occurring in the continuous body 80 as much as possible.
- FIG. 11A is a perspective view showing an upper cut roll 310 according to the third embodiment.
- FIG.11 (b) is an expanded view which shows the upper side cut roll 310 which concerns on 3rd Embodiment.
- FIG. 12 is a diagram illustrating the continuum 80 that has passed the cut roll 300 according to the third embodiment.
- the upper cut roll 310 includes a cut convex portion 311 that protrudes radially outward of the upper cut roll 310, and the radial direction of the upper cut roll 310, similar to the cut convex portion 311. And a cut assisting convex portion 312 projecting outward.
- the cut convex portion 311 cuts the product outer shape portion 1A by pressing the continuum 80 against the shape of the absorbent article 1, that is, the product outer shape portion 1A corresponding to the outer shape of the absorbent article 1.
- the cut auxiliary convex portion 312 is provided at the same position as the cut convex portion 311 in the width direction CD of the continuum 80 and outside the cut convex portion 311 in the width direction CD.
- the cut auxiliary convex portion 312 presses at least a part of the rear end inclined region portion 81 ⁇ / b> S corresponding to the rear end inclined region 51 in the outer edge region portion 81.
- the continuous body 80 that has passed through the cut roll 300 is pressed by at least a part of the rear end inclined region portion 81S by the cut assist convex portion 312. Thereby, the continuum 80 is cut into the product outer shape portion 1 ⁇ / b> A while the auxiliary embossed portion 89 is formed in the continuum 80.
- the upper cut roll 310 has a cut convex portion 311 and a cut auxiliary convex portion 312. According to this, even when the continuous body 80 is cut, it is possible to prevent the continuous body 80 from being wrinkled as much as possible because the cut auxiliary convex portion 312 suppresses the continuous body 80 from being moved to the center. Therefore, when the plurality of sheets are joined by pressing the outer edge region portion 81 of the continuous body 80 corresponding to the extending portion 50 formed by the plurality of sheets, the absorbency due to the occurrence of wrinkles in the continuous body 80. Manufacturing defects of the article 1 can be reliably suppressed.
- the embodiment of the present invention can be modified as follows.
- the absorbent article 1 has been described as a sanitary napkin, the absorbent article 1 is not limited to this, and may be an article having a portion extending outward in the width direction of the absorbent body 30.
- the extension portion 50 is described as being constituted by the front wing portion 60 and the rear wing portion 70, but is not limited to this, and other than that, the extension portion 50 extends outward in the width direction of the absorber 30. Of course, it may be a protruding part.
- the pressing convex portion 111 is described as being provided on the lower press roll 110B, but is not limited thereto, and may be provided on the upper press roll 110A.
- the cut convex part 121 demonstrated as what was provided in the upper cut roll 120A, it is not limited to this, You may be provided in the lower cut roll 120B.
- the front end convex portion 113 has been described as having a vertically long shape, but is not limited thereto, and may have a circular shape, a triangular shape, a quadrangular shape, or the like.
- the product outer convex portion 115B has been described as having a vertically long shape longer than the product inner convex portion 115A.
- the present invention is not limited to this, and a vertically long shape equivalent to the product inner convex portion 115A is used. And may have a vertically long shape shorter than the in-product convex portion 115A.
- each member which comprises the manufacturing apparatus 100 of an absorbent article there is no restriction
- the continuous body 80 is conveyed between the pair of press rolls 110 in the order of the front end inclined portion 81A corresponding to the front end inclined portion 50A and the rear end inclined portion 81B corresponding to the rear end inclined portion 50B.
- the continuous body 80 may be conveyed between the pair of press rolls 110 in the order of the rear end inclined portion 81B and the front end inclined portion 81A.
- the present invention when a plurality of sheets are joined by pressing an outer edge region portion of the continuum corresponding to the extending portion formed by the plurality of sheets, absorption due to generation of wrinkles in the continuum. Therefore, it is useful for an apparatus for manufacturing absorbent articles such as sanitary napkins, incontinence pads, panty liners, and the like, which are composed of a plurality of sheets.
- Rear end inclined region portion (inclined region portion), 83 ... Front end contour line ( Inner and outer contour lines), 87 ... rear end contour line (outer and inner contour lines), 89 ... rear end virtual line, 90 ... embossed part, 91 ... front embossed part, 93, 97 ... rear embossed part, 95 ... connected embossed part 99 ... Auxiliary embossed part, 100 ... Production of absorbent articles 110,200 ... Press roll, 110A ... Upper press roll, 110B, 210 ... Lower press roll, 111,211 ... Pressing convex part, 113,213 ... Front end convex part (inner / outer convex part), 115,215 ...
- Rear end convex portion (outer inner convex portion), 115A ... product inner convex portion, 115B ... product outer convex portion, 117,217 ... intermediate convex portion, 215A ... rear end contour convex portion, 215B ... auxiliary convex portion, 120,300 ... cut roll, 120A, 310 ... upper cut roll, 120B ... lower cut roll, 121, 311 ... cut convex part, 312 ... cut auxiliary convex part, 130 ... transport mechanism
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (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
Description
まず、第1実施形態に係る吸収性物品1の構成について、図面を参照しながら説明する。図1は、第1実施形態に係る吸収性物品1の斜視図である。第1実施形態に係る吸収性物品1は、生理用ナプキンとする。
以下において、本発明に係る第2実施形態に係るプレスロール200を構成する下側プレスロール210の構成について、図面を参照しながら説明する。なお、上述した第1実施形態に係るプレスロール110と同一部分には同一の符号を付して、相違する部分を主として説明する。
以下において、本発明に係る第3実施形態に係るカットロール300を構成する上側カットロール310の構成について、図面を参照しながら説明する。なお、上述した第1実施形態に係るカットロール120と同一部分には同一の符号を付して、相違する部分を主として説明する。
上述したように、本発明の実施形態を通じて本発明の内容を開示したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかとなろう。
Claims (7)
- 液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に設けられる吸収体とを備える吸収性物品の製造装置であって、
前記吸収性物品は、前記吸収体よりも吸収性物品の幅方向外側に設けられ、前記吸収体の幅方向外側に延出するとともに、複数のシートによって構成される延出部をさらに備え、
前記複数のシートが連続した連続体のうち、前記延出部の外縁領域に対応する外縁領域部位を押圧するロールを備え、
前記延出部は、前記ロールの回転方向の前方から後方にかけて、前記連続体の幅方向外側から幅方向内側に向けて傾斜する外内傾斜部を含む外内傾斜領域を有し、
前記ロールは、前記ロールの径方向外側に向かって突出し、前記外縁領域部位のうちの前記外内傾斜領域に対応する傾斜領域部位を押圧する複数の外内凸部を有し、
前記外内凸部の延在方向は、前記傾斜領域部位内における前記外内傾斜部の形状に沿った外内輪郭線の延在方向と異なる吸収性物品の製造装置。 - 前記延出部は、前記ロールの回転方向の前方から後方にかけて、前記連続体の幅方向内側から幅方向外側に向けて傾斜する内外傾斜部をさらに有し、
前記ロールは、
前記ロールの径方向外側に向かって突出し、前記外縁領域部位のうちの前記内外傾斜部に対応する内外傾斜部位を押圧する複数の内外凸部を有し、
前記内外凸部の延在方向は、前記内外傾斜部位の形状に沿った内外輪郭線の延在方向と同一であり、
前記外内凸部の延在方向は、前記内外凸部の延在方向と異なる請求項1に記載の吸収性物品の製造装置。 - 前記外内凸部の延在方向は、前記外内輪郭線の延在方向よりも前記連続体の幅方向外側に向かう請求項1又は2に記載の吸収性物品の製造装置。
- 複数の前記外内凸部は、所定間隔を置いて配列され、
前記外内凸部の延在方向は、全て同一である請求項1乃至3の何れか一項に記載の吸収性物品の製造装置。 - 前記外内凸部は、前記連続体の幅方向において前記外内傾斜部と同一位置で、かつ、前記外縁領域部位のうちの前記外内傾斜部に対応する外内傾斜部位よりも前記連続体の幅方向外側に設けられる請求項1又は2に記載の吸収性物品の製造装置。
- 液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に設けられる吸収体とを備える吸収性物品の製造方法であって、
前記吸収性物品は、前記吸収体よりも前記吸収性物品の幅方向外側に設けられ、前記吸収体の幅方向外側に延出するとともに、複数のシートによって構成される延出部をさらに備え、
前記複数のシートが連続した連続体のうち、前記延出部の外縁領域に対応する外縁領域部位を押圧する一対のロール間に、前記複数のシートの連続体を搬送する工程Aと、
一対の前記ロールによって、前記外縁領域部位を押圧する工程Bとを有し、
前記延出部は、前記ロールの回転方向の前方から後方にかけて、前記連続体の幅方向外側から幅方向内側に向けて傾斜する外内傾斜部を含む外内傾斜領域を有し、
前記ロールは、前記ロールの径方向外側に向かって突出し、前記外縁領域部位のうちの前記外内傾斜領域に対応する傾斜領域部位を押圧する複数の外内凸部を有し、
前記外内凸部の延在方向は、前記傾斜領域部位内における前記外内傾斜部の形状に沿った外内輪郭線の延在方向と異なる吸収性物品の製造方法。 - 液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に設けられる吸収体とを備える吸収性物品であって、
前記吸収体よりも前記吸収性物品の幅方向外側に設けられ、前記吸収体の幅方向外側に延出するとともに、複数のシートによって構成される延出部をさらに備え、
前記延出部は、
前記吸収性物品の長手方向に対して傾斜する外内傾斜部に、前記複数のシートが連続した連続体が押圧されることによって形成される第1押圧部と、
前記吸収性物品の長手方向に対して、前記外内傾斜部と逆側に傾斜する内外傾斜部に、前記連続体が押圧されることによって形成される第2押圧部とを有し、
前記第1押圧部の延在方向は、前記外内傾斜部の形状に沿った外内輪郭線と異なり、
前記第2押圧部の延在方向は、前記内外傾斜部の形状に沿った内外輪郭線と同一である吸収性物品。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10733586.1A EP2389909A4 (en) | 2009-01-26 | 2010-01-25 | DEVICE AND METHOD FOR PRODUCING ABSORBENT ARTICLES, AND ABSORBENT ARTICLE |
CN2010800056011A CN102292057A (zh) | 2009-01-26 | 2010-01-25 | 吸收性物品的制造装置、吸收性物品的制造方法及吸收性物品 |
AU2010207191A AU2010207191A1 (en) | 2009-01-26 | 2010-01-25 | Apparatus for manufacturing absorbent article, method of manufacturing absorbent article and absrobent article |
US13/146,311 US20120035567A1 (en) | 2009-01-26 | 2010-01-25 | Apparatus for manufacturing absorbent article, method of manufacturing absorbent article and absorbent article |
KR1020117016883A KR101522068B1 (ko) | 2009-01-26 | 2010-01-25 | 흡수성 물품의 제조 장치, 흡수성 물품의 제조 방법 및 흡수성 물품 |
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JP2009-014391 | 2009-01-26 | ||
JP2009014391A JP5261212B2 (ja) | 2009-01-26 | 2009-01-26 | 吸収性物品の製造装置、吸収性物品の製造方法及び吸収性物品 |
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WO2010084980A1 true WO2010084980A1 (ja) | 2010-07-29 |
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PCT/JP2010/050873 WO2010084980A1 (ja) | 2009-01-26 | 2010-01-25 | 吸収性物品の製造装置、吸収性物品の製造方法及び吸収性物品 |
Country Status (7)
Country | Link |
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US (1) | US20120035567A1 (ja) |
EP (1) | EP2389909A4 (ja) |
JP (1) | JP5261212B2 (ja) |
KR (1) | KR101522068B1 (ja) |
CN (1) | CN102292057A (ja) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2774590A4 (en) * | 2011-10-31 | 2015-07-01 | Daio Seishi Kk | ABSORBENT ARTICLE |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2017225865B2 (en) | 2016-02-29 | 2021-04-29 | Kimberly-Clark Worldwide, Inc. | Absorbent article with flat-back protection feature |
DE112017000415T5 (de) | 2016-02-29 | 2018-10-11 | Kimberly-Clark Worldwide, Inc. | Absorptionsartikel mit flachrückenschutzmerkmal |
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Also Published As
Publication number | Publication date |
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KR20110107341A (ko) | 2011-09-30 |
CN102292057A (zh) | 2011-12-21 |
EP2389909A4 (en) | 2013-05-08 |
AU2010207191A1 (en) | 2011-09-01 |
JP2010167190A (ja) | 2010-08-05 |
KR101522068B1 (ko) | 2015-05-20 |
EP2389909A1 (en) | 2011-11-30 |
JP5261212B2 (ja) | 2013-08-14 |
US20120035567A1 (en) | 2012-02-09 |
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