WO2006118214A1 - 着用物品及びその製造方法 - Google Patents
着用物品及びその製造方法 Download PDFInfo
- Publication number
- WO2006118214A1 WO2006118214A1 PCT/JP2006/308892 JP2006308892W WO2006118214A1 WO 2006118214 A1 WO2006118214 A1 WO 2006118214A1 JP 2006308892 W JP2006308892 W JP 2006308892W WO 2006118214 A1 WO2006118214 A1 WO 2006118214A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- crotch
- exterior
- web
- elastic member
- sheet
- Prior art date
Links
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
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B9/00—Undergarments
- A41B9/001—Underpants 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
- 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
- A61F13/45—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
- 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
- A61F13/49058—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper
- A61F2013/49063—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper the diaper having decoupled components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
Definitions
- the present invention relates to a worn article and a method for producing the same.
- a boxer short known as the wearing article is manufactured by a manufacturing method disclosed in Patent Document 1.
- Patent Document 1 In the manufacturing method of Patent Document 1, a belt-shaped web is conveyed along the longitudinal direction thereof, and a redder opening penetrating the web in the thickness direction is formed on the web. The process of folding it in half is taken.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a wearing article and a method for manufacturing the same that can suppress the occurrence of material loss and the increase in equipment cost.
- Patent Document 1 International Publication No. 2004Z052131 Pamphlet
- the present invention is formed in a ring shape that can surround the wearer's waist, and one of the openings is a waist opening, and is opposite to the waist opening.
- a crotch portion that is joined to the waistline portion so as to straddle the opening on the side and forms a pair of redder openings through which the wearer's legs are individually passed between the waistline portion and the crotch portion.
- a wearing article characterized in that a shearing is formed, and the crotch portion is shrunk in a direction in which the opposing inner side surfaces of the waistline portion are brought closer to each other by the shearing.
- the opening of the waistline portion is divided by the crotch portion, and these are used as the opening for the redder, so that the operation of cutting the waistline portion is not performed.
- Each redder opening can be formed.
- the present invention it is possible to reduce the material loss as compared with the conventional wearing article in which the material loss is caused by the opening area of the redder opening, and the redder opening. Since the equipment required for the cutting work can be omitted, the equipment cost can be reduced.
- tightening occurs in the crotch part due to shearing formed in the crotch part (such as gathers, pleats, and wrinkles that are shrunk by shrinking the sheet material).
- shearing formed in the crotch part such as gathers, pleats, and wrinkles that are shrunk by shrinking the sheet material.
- the crotch part When worn, the crotch part is pulled upward (in the direction from the redder opening to the waist opening) to form a heel and take on a shape like a trunks shape. The comfort is improved and the appearance is improved.
- the present invention is a method for producing a worn article having a front portion disposed on the wearer's abdomen and a back portion disposed on the wearer's back, and is used for forming the front portion.
- a front exterior web conveying step for transporting the front exterior web so that its longitudinal direction follows a preset flow direction, and a belt-shaped back exterior web for forming the back portion, the front exterior web
- a back exterior web transport process for transporting the web in parallel with the front exterior web at a predetermined interval, and a crotch exterior sheet arranged so as to straddle both exterior webs.
- a method for producing a worn article characterized by including a cutting step of joining along the width direction of both exterior webs and cutting each worn article.
- the crotch exterior sheet is disposed so as to straddle between the front exterior web and the back exterior web, and the crotch exterior sheets are folded and overlapped.
- the both exterior webs are joined in a ring shape, and a wearing article in which one opening is divided by the crotch exterior sheet is manufactured. be able to.
- the crotch outer sheet is stretched between the belt-shaped front outer web and the back outer web, and bonded to both sides of the crotch outer sheet. Since the gap corresponding to the opening for the redder can be formed, the opening for the redder can be formed without performing the work of cutting the both exterior webs.
- the material loss can be reduced as compared with the conventional worn article in which the material loss is caused by the opening area of the redder opening.
- the equipment required for cutting the redder opening can be omitted, so that the equipment cost can be reduced.
- the worn article after completion has a crotch portion (crotch portion). Because of the shearing formed on the exterior web), the crotch part is tightened, and when worn, the crotch part is pulled upward to form a heel and take on a shape like a trunks type. The comfort when worn is improved and the appearance is also improved.
- cutting for each worn article means cutting for each range including a pair of joint portions formed on both sides of the crotch outer sheet.
- the present invention is a method for manufacturing a worn article having a front portion disposed on the abdomen of the wearer and a back portion disposed on the back of the wearer, and is used for forming the front portion.
- a front exterior web conveying step for transporting the front exterior web so that its longitudinal direction follows a preset flow direction, and a belt-shaped back exterior web for forming the back portion, the front exterior web
- a back exterior web transporting process for transporting in parallel with the front exterior web at a predetermined distance from the web, and a crotch exterior sheet arranged so as to straddle both exterior webs
- An exterior sheet joining step for joining the exterior sheets to both exterior webs, and a first crotch elastic member attached to the crotch exterior sheet in a stretched state in a direction intersecting the flow direction.
- a method for producing a worn article is provided.
- the crotch exterior sheet is disposed so as to straddle between the front exterior web and the back exterior web, and the crotch exterior sheets are folded and overlapped.
- the both outer webs are bonded into a ring shape, and the wearing article in which one of the openings is divided by the crotch outer sheet is manufactured. be able to.
- the crotch outer sheet is stretched between the belt-shaped front outer web and the back outer web, and bonded to both sides of the crotch outer sheet. Since the gap corresponding to the opening for the redder can be formed, the opening for the redder can be formed without performing the work of cutting the both exterior webs.
- the elastic member for the first crotch can be attached in an extended state to a location that becomes the crotch portion after the worn article is completed, the worn article after completion is Tightening occurs in the crotch part due to the contraction force of the first crotch elastic member, and when worn, the crotch part is pulled upward to form a heel and take a shape like a trunks type Therefore, the comfort when worn is improved and the appearance is also improved.
- FIG. 1 (a) is a plan view showing a trunks-type disposable pants as an example of a wearing article according to the present invention, and (b) shows a trunks-type disposable pants according to another embodiment.
- FIG. [Fig.2] Fig. 1 (a) is a development view of the disposable pants in Fig. 1, (a) is a plan view, (b) is a side view of (a), and (c) is a cross-sectional view taken along line C-C in (a).
- FIG. 3 is an exploded perspective view of the disposable pants of FIG. 1.
- FIG. 4 is a schematic plan view showing the first half of the manufacturing method of the disposable pants of FIG. 1 (a).
- FIG. 5 is a schematic plan view showing the latter half of the manufacturing method of the disposable pants of FIG. 1 (a).
- FIG. 6 is a schematic plan view showing another embodiment of the cleaving step of FIG.
- FIG. 7 is a side view showing another arrangement method of the elastic member for crotch in the disposable pants of FIG. 2.
- FIG. 8 is a schematic plan view showing a method for manufacturing disposable pants according to another embodiment of the present invention.
- FIG. 9 is a view corresponding to FIG. 2 (c) of a disposable pant according to another embodiment of the present invention.
- FIG. 10 is a schematic plan view showing a method for manufacturing disposable pants according to another embodiment of the present invention.
- Fig. 1 (a) is a plan view showing a trunks-type disposable pants 1 as an example of a wearing article according to the present invention, and (b) shows a trunks-type disposable pants 2 according to another embodiment.
- FIG. 1 (a) is a plan view showing a trunks-type disposable pants 1 as an example of a wearing article according to the present invention, and (b) shows a trunks-type disposable pants 2 according to another embodiment.
- FIG. 2 is a development view of the disposable pants 1 of Fig. 1 (a), (a) is a plan view, (b) is a side view of (a), and (c) is C of (a). — C line cross section.
- the absorber 5 described later is indicated by a virtual line for convenience in the forces (a) and (b) indicated by a solid line.
- FIG. 3 is an exploded perspective view of the disposable pants 1 of FIG.
- the disposable pants 1 includes a waistline part 3 surrounding the wearer's waistline, a crotch part 4 passing through the inseam of the wearer, and an inner surface of the crotch part 4 (the wearer's And an absorbent body 5 disposed so as to cover the skin surface side).
- the waistline portion 3 includes a front portion 6 and a back portion 7 each formed of a rectangular nonwoven fabric having substantially the same area, and the front portion 6 and the back portion 7 are arranged along the respective width directions W. Bonded to each other at both edges in the longitudinal direction L by extending side seals 8 It is considered to be a ring shape.
- the upper opening (1) is the waist opening (9).
- the crotch portion 4 is spanned between the front portion 6 and the back portion 7 so as to straddle the opening opposite to the waist opening 9 (lower opening in FIG. 1).
- the openings of the waistline part 3 divided by the crotch part 4 are respectively made as redder openings 10.
- the waistline portion 4 divides the opening of the waistline portion 3 and uses them as the opening 10 for the redder, the waistline portion
- Each redder opening 10 can be formed without performing the operation of cutting 3.
- a waist elastic member 11 is attached along the longitudinal direction L at an edge portion on the waist opening 9 side. As shown in detail in FIG. 2 (b), the waist elastic member 11 is disposed inside the portion where the edges of the front portion 6 and the back portion 7 are folded.
- the crotch section 4 includes a crotch exterior sheet 12 and a crotch elastic member 14 joined to the upper surface (skin surface of the wearer) of the crotch exterior sheet 12, and the front section 6 And the back part 7 is folded in half.
- the crotch exterior sheet 12 is stretched between substantially the center positions in the longitudinal direction L of the front portion 6 and the back portion 7, and both end portions thereof are opposed to the both portions 6 and 7. They are joined individually.
- the crotch elastic member 14 is attached to the crotch outer sheet 12 in an expanded state along the width direction W.
- the crotch elastic member 14 of the present embodiment is bonded in a state of being sandwiched between a pair of upper and lower sheet material pieces 15 as shown in detail in FIG. 2 (c). Yes.
- the crotch elastic member 14 is sandwiched between the crotch outer sheet 12 and a sheet material piece 16 having substantially the same shape as the sheet 12 as shown in FIG. It may be glued with. Further, although not shown, the crotch elastic member 14 may be directly bonded to the crotch outer sheet 12. In the example shown in the figure, for string-like crotch Although the elastic member 14 is used, an elastic member for a crotch formed in a band shape may be employed.
- the material of the sheet material pieces 15 and 16 a nonwoven fabric or a film can be employed.
- a nonwoven fabric or a film can be employed as the material of the sheet material pieces 15 and 16 .
- FIG. 2 (c) when the inertia member 14 for the crotch is sandwiched between the pair of sheet material pieces 15, at least one sheet material piece 15 is used as a film. It is preferable in terms of improving the performance. That is, if the sheet material piece 15 is a film, the sheet material piece 15 can be conveyed by applying a suction pressure.
- the length dimension Z in which the elastic member for crotch 14 is arranged is 40mm to 350mm in an expanded state, and if the disposable pants 1 is for adults, 60mm to 350mm. 40mn for infants! ⁇ 220mm is preferred.
- the width H of the elastic member 14 for crotch is preferably about 70 mm at maximum for adults and infants.
- the expansion ratio of the crotch elastic member 14 is 1.1 to 5 times.
- the crotch portion 4 is formed by shearing (such as gathers, pleats, and folds) with the sheet material being crushed and shrunk. By this shearing, when the crotch part 4 is worn, the crotch part 4 is pulled upward (direction of force from the redder opening 10 to the waist opening 9) to form a ridge.
- the shearing is formed in the central portion of the crotch portion 4 in the longitudinal direction L along the direction connecting the front portion 6 and the back portion 7 so as to shrink the space between the front portion 6 and the back portion 7. Has been.
- the shearing is formed in a region between the width dimension H and the length dimension K (hereinafter referred to as a shearing formation region).
- a shearing formation region has been.
- the shearing length dimension K and the length dimension L2 between the opposite waist edges of the waistline part 3 passing through the crotch part 4 The ratio is set to be 1:15 to 1: 2, and in order to improve the appearance of the disposable pants 1, the ratio of K: L2 is 1: 4.4 to 1: 3.8 It is preferable.
- the distance between the edge of the redder opening 10 and the side edge of the shearing formation region is preferably 5 mm or more.
- the absorbent body 5 has a longitudinal direction formed in a rectangular shape along the width direction W, and a liquid-impermeable back sheet 17 and a liquid-permeable material.
- the absorbent core 19 is sandwiched between the permeable top sheet 18 and the rising flaps 17a are provided on both sides thereof.
- the front part (the front part 17b of the back sheet 17) and the rear part (the rear part 17c of the back sheet 17) of the absorber 5 are attached to the attachment positions a and b shown by cross-hatching of the disposable pants 1 as necessary. It is attached to.
- As an attachment method in addition to bonding with a hot-melt adhesive or a double-sided adhesive tape, it can be pasted in a replaceable manner with a mechanical fastener or the like.
- the portion between the attachment positions a and b in the absorber 5 may not be attached to the crotch portion 4, and the partial force of the crotch elastic member 14 may be raised, or along the crotch portion 4. You may touch. Also, it may be attached to the crotch portion 4 by the above-described attaching method to the mounting positions a and b.
- the opening of the waist part 3 is divided by the crotch part 4 and used as the opening 10 for the redder.
- Each redder opening 10 can be formed without performing the work of cutting the periphery 3
- the material loss can be reduced as compared with the conventional wearing article in which the material loss is caused by the opening area of the redder opening 10.
- the equipment required for cutting the redder opening 10 can be omitted, the equipment cost can be reduced.
- the crotch part 4 is tightened, and when worn, the crotch part 4 is pulled upward to form a heel, and the trunks Since it takes a shape like a mold, the comfort when worn is improved and the appearance is also improved.
- the waistline portion 3 includes the individual front portion 6 and the back portion 7 as in the embodiment,
- the crotch part 4 is arranged so as to span between the both parts 6 and 7 and joined, and the crotch part 4 is folded back so that the front part 6 and the back part 7 overlap each other.
- the pants 1 can be formed, and the workability of the manufacturing work is improved as compared with the case where the crotch part 4 is joined so as to straddle the opening part by forming the annular waist part 3 with a single material. That's right.
- the crotch portion 4 is tightened, and the crotch portion 4 is pulled upward to form a ridge.
- it can take a shape like a trunks type.
- a wearer's inseam and the crotch part 4 can be elastically adhered by the heel formed by the crotch elastic member 14 to improve the feeling of wear.
- the ratio of the shearing length dimension K in the stretched state to the length dimension L2 between the waist edges of the front part 6 and the back part 7 passing through the crotch part 4 is set to 1:15 to As 1: 2, it can be used and thrown pants 1 looks good and can be made into a trunks shape.
- the disposable pants 1 can be used as infant pants-type diapers, training pants, or adult incontinence pants.
- the force that covers the entire area of the crotch portion 4 with the absorbent body 5 causes the crotch exterior sheet 12 of the crotch section 4 to extend more than the absorbent body 5 along the longitudinal direction L.
- the absorbent body 5 may be disposed on the crotch exterior sheet 12 by forming it wide.
- the disposable pants 1 can be manufactured along a manufacturing line as shown in FIGS.
- the cleavage section SC1 in order from the upstream side in the flow direction, the cleavage section SC1, elastic The member attachment section SC2, the joining section SC3, the edge folding section SC4, the width adjustment section SC5, the absorber joining section SC6, the folding section SC7, and the cutting section SC8 are set.
- the belt-like web 20 conveyed along the flow direction is cut into approximately two equal parts in the width direction, and the front exterior web 21 and the back exterior web 22 are cut.
- the front exterior web 21 is cut into a width dimension obtained by adding a width dimension W1 of the front portion 6 shown in FIG. 2 and a dimension W2 folded back in an edge folding step described later.
- the back exterior web 22 is cut into a width dimension obtained by adding a width dimension W3 of the back portion 7 shown in FIG. 2 and a dimension W4 folded back in an edge folding step described later.
- the hub 20 of the present embodiment is set to a width dimension of (W1 + W2 + W3 + W4).
- the front exterior web 21 and the back exterior web 22 are transported in parallel along the flow direction at a predetermined interval (a front exterior web transport step and a back exterior web). Transport process).
- the waist elastic member 11 is attached in an extended state along the flow direction at the edge portions of the front exterior web 21 and the back exterior web 22 that are separated from each other. (Waist elastic member attachment process).
- the long waist elastic member 11 is continuously joined on both outer webs 21 and 22 along the flow direction.
- the crotch exterior sheet 12 is disposed so as to straddle the exterior webs 21 and 22, and the crotch exterior sheet 12 and the exterior webs 21 and 22 are individually joined. (Joining process).
- the crotch elastic member 14 is further attached to the crotch outer sheet 12 in an expanded state along a direction orthogonal to the flow direction (attachment step).
- a method for attaching the crotch elastic member 14 a method in which a material sandwiched between a pair of upper and lower sheet material pieces 15 shown in FIG. As shown in Fig. 2, it is sandwiched between the crotch outer sheet 12 and the sheet material piece 16, or for the crotch. Any method of directly adhering to the exterior sheet 12 may be used.
- the crotch elastic member 14 is sandwiched in advance between the crotch outer sheet 12 and the sheet material piece 16, or the crotch outer sheet 12 A member to which the elastic member 14 is directly bonded may be bonded onto the outer webs 21 and 22.
- edge folding section SC4 the edge portions on both sides of the outer webs 21 and 22 are folded inward by the folding dimensions W2 and W4 shown in FIG. The folded edge is individually joined to the outer webs 21 and 22 (edge folding process).
- the width adjusting section SC5 the interval between the two outer webs 21 and 22 is narrowed in accordance with the contraction force of the crotch elastic member 14 (width adjusting step). That is, in this width adjusting process, the holding force applied to both the outer webs 21 and 22 to maintain the stretched state of the elastic member 14 for the crotch is released, so that both the outer webs 21 and 22 are released. The interval is reduced to an interval corresponding to the natural length of the crotch elastic member 14.
- the crotch elastic member 14 is bonded onto the crotch outer sheet 12 in the bonding step, and the shrinkage force of the crotch elastic member 14 is applied in the width-shifting step.
- the crotch outer sheet 12 shrink in the direction perpendicular to the flow direction, shearing with wrinkles in the orthogonal direction is formed on the crotch outer sheet 12, in other words, the joining
- the process including the process and the width adjusting process constitutes an example of the shearing forming process of the present embodiment.
- the shearing formation step is not limited to the one including the joining step and the width adjusting step.
- the crotch exterior sheet 12 that is shrunk in the direction perpendicular to the flow direction in the width adjusting step is used as the form.
- the shirring may be formed on the crotch outer sheet 12.
- the crotch outer sheet is provided. It is possible to maintain the shape of the gathering portion formed in 12 as shearing.
- the crease portion has a concavo-convex shape that fits into each other on the surface. A desired shape can be obtained by passing the crotch outer sheet 12 between the pair of embossing rollers.
- the absorbent body 5 conveyed in parallel with the two outer webs 21 and 22 in a posture along the flow direction and the longitudinal direction is rotated by 90 °, and the crotch It arrange
- the crotch portion 4 and the absorbent body 5 are folded in half so that the two outer webs 21 and 22 are overlapped (folding step). That is, in this folding process, the edge portions of the two exterior webs 21 and 22 on which the waist elastic member 11 is disposed are overlapped with each other.
- a pair of side seal portions 8 are joined by joining the outer webs 21 and 22 along the width direction of the outer webs 21 and 22 at a position sandwiching the crotch outer sheet 12.
- the outer webs 21 and 22 are cut so that both of the side seal portions 8 are included (cutting step).
- the elastic member 11 for waist is also cut, and the disposable pants 1 are manufactured.
- the web 20 is linearly cleaved.
- the present invention is not limited to this. For example, as shown in FIG. It can be done by splitting it into a letter shape.
- the mutual crests 21a, 22a of both the exterior webs 21 and 22 and the mutual troughs 21b, 22b can be transported while shifting the phase (position) so that they face each other.
- the pant 1 can be a pant having a shape in which the side of the thigh is cut off in the used pant 1 after being completed.
- the web 20 is cleaved in a straight line, and the ridges 21a and 22a are later formed with respect to the front exterior web 21 and the back exterior web 22 formed here. It is also possible to form a notch corresponding to.
- the front portion 6 and the back portion 7 of the disposable pants 1 of the above embodiment have the configuration shown in FIG.
- the body fitting elastic member 23 is attached in an extended state along a direction substantially parallel to the waist elastic member 11 so that the front portion 6 and the back portion 7 are in close contact with the waist. Yes.
- the elastic member 24 for the redder is attached in an extended state along the edge of the opening 10 for the redder in the front portion 6 and the back portion 7. With the redder elastic member 24, the redder opening 10 can be narrowed and its edge can be brought into close contact with the wearer's leg.
- the elastic member 24 for the redder is not installed in the region of the width dimension W5 of the absorber 5. Accordingly, the absorber 5 force S can be prevented from being contracted by the contraction force of the redder elastic member 24.
- the crotch outer sheet 12 is disposed so as to straddle between the front outer web 21 and the back outer web 22.
- the exterior webs 21 and 22 are joined in a ring shape,
- the disposable pants 1 can be manufactured in which the opening is divided by the crotch outer sheet 12.
- the crotch outer sheet 12 is stretched over and joined between the belt-shaped front outer web 21 and the back outer web 22, respectively. Since gaps corresponding to the redder openings 10 can be formed on both sides of the twelve, the redder openings 10 can be formed without performing the work of cutting the outer webs 21 and 22.
- the material loss can be reduced as compared with the conventional disposable pants 1 in which the material loss is caused by the opening area of the redder opening 10 and the redder use. Since the equipment required for cutting the opening 10 can be omitted, the equipment cost can be reduced. [0089] Further, according to the manufacturing method, shearing is formed along the direction intersecting the flow direction with respect to the crotch outer sheet 12, so that the pants 1 are discarded after completion. The crotch part 4 (exterior web for the crotch) is tightened in the crotch part 4 due to the shearing formed on the crotch part 4 and when it is worn, the crotch part 4 is lifted upward to form a trough shape. This will improve the comfort when worn and improve the appearance.
- the waist opening 9 formed between the front exterior web 21 and the back exterior web 22 is formed as described above. Since it can be narrowed by the waist elastic member 11, the waist opening 10 can be brought into close contact with the wearer's waist so as to suppress the slippage during wearing.
- the front exterior web 21 and the back exterior web 22 can be formed from the common web 20.
- the basic unit can be increased for one web material, thereby reducing the product cost.
- the crotch elastic member 14 is arranged along the width direction of the two exterior webs 21 and 22 in the joining step as in the embodiment, the crotch Since the elastic member 14 is disposed so as to straddle the front exterior web 21 and the back exterior web 22, the crotch exterior sheet 12 is contracted by the contraction force of the crotch elastic member 14, thereby Shirring can be formed on the exterior sheet 12.
- the crotch portion 4 crotch exterior sheet
- the wearable crotch and the crotch part 4 can be brought into close contact with each other with the heel to manufacture the disposable pants 1 having a good wearing feeling.
- the crotch outer sheet 12 is contracted by narrowing the distance between the front outer web 21 and the back outer web 22, and the form of the crotch outer sheet 12 at this time is maintained. It is possible to form shirring with a simple operation.
- the manufacturing method including the width adjusting step and the absorber bonding step as in the above-described embodiment. Since the absorber 5 is disposed on the crotch outer sheet 12 after the space between the front outer web 21 and the back outer web 22 is narrowed, the absorber 5 is maintained at a natural length. However, shearing can be formed on the crotch outer sheet 12.
- the absorber joining step is performed after the width adjusting step, but at least the absorber joining step is performed after the attaching step (joining step). Until completion, the crotch elastic member 14 may be maintained in an extended state.
- the crotch elastic member (first crotch elastic member) 14 is joined onto the crotch exterior sheet 12 in the joining section SC3 (additional step).
- the edges of both exterior sheets 21 and 22 are folded back at the edge folding section SC4, and the absorber joint section SC6.
- the absorber 5 is joined so as to straddle both the exterior sheets 21 and 22 (absorber joining step), and thereafter the same as in the above embodiment. It is possible to perform a folding process and a cutting process (see Fig. 5 respectively).
- the absorber 5 can be disposed with respect to the outer casings 21 and 22 while the crotch elastic member 14 is maintained in an extended state, so that the crotch elastic member 14 is Unlike the case where the absorbent body 5 is disposed in a state where both the exterior webs 21 and 22 are close to each other, the absorbent body 5 can be precisely positioned on the both exterior webs 21 and 22.
- a second crotch elastic member 25 is attached to the absorber 5 in an expanded state, and this absorber 5 is attached to the second crotch elastic member in the absorber joining step. 25
- the longitudinal direction of 5 is arranged along the direction orthogonal to the flow direction, and the second crotch elastic member 25 is stretched and joined to both outer webs 21, 22. I'll do it.
- the second crotch elastic member 25 is sandwiched between the backsheet 17 of the absorbent body 5 and the sheet material piece 26 disposed outside thereof. It is bonded in a state where Force not shown
- the second crotch elastic member 25 may be directly bonded to the upper surface or the lower surface of the back sheet 17.
- the absorbent body 5 can be contracted in this way, the completed disposable pants can be contracted integrally with the absorbent body 5 and the elastic member 14 for the crotch.
- the two outer webs 21 and 22 and the absorbent body 5 can be fitted to the wearer's crotch.
- the absorbent body 5 is tightened by the contraction force of the second crotch elastic member 25, and the absorbent body 5 is pulled upward when worn. This makes it even more comfortable to wear.
- the crotch elastic member 14 (crotch exterior sheet 12) is disposed at the edges of the exterior webs 21 and 22 on the sides that are separated from each other in the width direction.
- the non-attached region E1 (see FIG. 8) is set, and the attachment positions a and b of the absorber 5 are set in the non-attached region E1, so in the region where the crotch elastic member 14 is attached.
- the second crotch elastic member 25 is also attached to the absorbent body 5 in the state where the non-attachment region E1 is set, in the completed disposable pants 1, Since the absorbent body 5 that is not affected by the expansion and contraction of the member 14 can be fitted to the inseam of the wearer, the comfort can be further improved.
- the purpose is not limited to not applying force to the outer packaging web 22 for the back.
- a notch 27 (see FIG. 10) is formed in the adjacent edges of the front exterior web 21 and the back exterior web 22, respectively, and the redder opening 10 is cut up to the waist opening 9 side.
- the form of disposable pants 1 can also be used.
- planar shape of the cutout 27 can be various shapes such as an arc shape, a square shape, a triangular shape, and the like.
- the present invention according to the embodiment is formed in a ring shape that can surround the waist of the wearer, and one of the openings is a waist opening, and is opposite to the waist opening.
- a wearing article characterized in that a shearing is formed, and the crotch portion is shrunk in a direction in which the opposing inner side surfaces of the waistline portion are brought closer to each other by the shearing.
- the opening of the waistline portion is divided by the crotch portion, and these are used as the opening for the redder. Therefore, the opening for each redder is performed without performing the work of cutting the waistline portion. Can be formed.
- the present invention it is possible to reduce the material loss as compared with the conventional worn article in which the material loss is caused by the opening area of the redder opening, and the redder opening. Since the equipment required for the cutting work can be omitted, the equipment cost can be reduced.
- the crotch portion is tightened by the shirring formed in the crotch portion (such as gathers, pleats, and wrinkles that are crushed and shrunk against the sheet material).
- the crotch part When worn, the crotch part is pulled upward (in the direction from the redder opening to the waist opening) to form a heel and take on a shape like a trunks shape. The comfort is improved and the appearance is improved.
- the waistline portion includes a front portion disposed on the wearer's abdomen and a knock portion disposed on the back of the wearer, and the front portion and the back portion.
- the front portion and the back portion are preferably joined in a ring shape, and the shearing is preferably formed so as to shrink between the front portion and the back portion.
- the waistline portion includes the individual front portion and the back portion. Therefore, the crotch portion is arranged so as to span between the two portions, and these front portions are joined together.
- the worn article can be formed by folding the crotch part so that the part and the knock part overlap each other, and the crotch part is formed so as to straddle the opening by forming a ring-shaped waistline part with a single material. Compared with the case where the parts are joined, the workability of the manufacturing operation can be improved.
- the shirring is a crotch portion whose shape is held in a wavy shape when the crotch portion is shrunk in a direction connecting the inner side surfaces of the waistline portion. I prefer to be there.
- the crotch portion is held in a wavy shape in a state where the crotch portion is contracted in a direction connecting the inner side surfaces of the waistline portion, and tightening occurs in the crotch portion.
- the loch part is pulled upward to form a ridge and can be shaped like a trunks shape.
- the shearing is formed by a contraction force of an elastic member for crotch attached to the crotch portion in a stretched state along a direction connecting the inner side surfaces of the waistline portion.
- U prefer to be.
- the shearing is formed using the expansion and contraction force of the elastic member for the crotch, whereby the crotch portion is tightened and the crotch portion is pulled upward to form a ridge. It can take the shape of a trunks type. Furthermore, the wearer's inseam and the crotch part can be brought into close contact with each other by the heel formed by the elastic member for crotch and the crotch, thereby improving the wearing feeling.
- the ratio of the length dimension of the shirring and the length dimension between the opposite waist edges of the waistline portion passing through the crotch portion is 1: 15-1 : 2 is preferable.
- the worn article can be made into a trunks shape with a good appearance.
- the wearing article further includes an absorber disposed so as to cover an inner surface of the crotch portion, and at least both ends of the absorber are opposed to the waistline portion. It is characterized by being joined to each inner side surface.
- the worn article can be used as an infant pant diaper, a training pant, or an incontinence pant for adults.
- the present invention is a method for manufacturing a worn article having a front portion disposed on the abdomen of the wearer and a back portion disposed on the back of the wearer, and is used for forming the front portion.
- a front exterior web conveying step for transporting the front exterior web so that its longitudinal direction follows a preset flow direction, and a belt-shaped back exterior web for forming the back portion, the front exterior web
- a back exterior web transport process for transporting the web in parallel with the front exterior web at a predetermined interval, and a crotch exterior sheet arranged so as to straddle both exterior webs.
- a method for producing a worn article characterized by including a cutting step of joining along the width direction of both exterior webs and cutting each worn article.
- the front and rear exterior webs are arranged so as to straddle between the front exterior web and the back exterior web, and the crotch exterior sheets are folded and overlapped.
- both the exterior webs are joined in a ring shape, and a wearing article in which one opening is divided by the crotch exterior sheet is manufactured. be able to.
- the crotch outer sheet is stretched between the belt-shaped front outer web and the back outer web, respectively, and joined to both sides of the crotch outer sheet. Since the gap corresponding to the opening for the redder can be formed, the opening for the redder can be formed without performing the work of cutting the both exterior webs.
- the material loss is reduced as compared with the conventional worn article in which the material loss is caused by the opening area of the redder opening.
- the equipment required for cutting the opening for the redder can be omitted, so that the equipment cost can be reduced.
- the worn article after completion has a crotch portion (crotch). Because of the shearing formed on the exterior web), the crotch part is tightened, and when worn, the crotch part is pulled upward to form a heel and take on a shape like a trunks type. The comfort when worn is improved and the appearance is improved.
- cutting for each worn article means cutting for each range including a pair of joint portions formed on both sides of the crotch outer sheet.
- the method for manufacturing a worn article further includes a cleaving step in which the front exterior web and the back exterior web are formed by cutting a common web force.
- the front exterior web and the back exterior web can also be formed with a common web force, compared to the case where these both exterior webs are separately prepared, one web is formed.
- the unit consumption of materials can be increased, which can reduce product costs.
- a crotch elastic member is attached to the crotch exterior sheet in an expanded state, and the crotch elastic member is attached to the front exterior web and back in the joining step.
- the gap between the front exterior web and the back exterior web is reduced in accordance with the contraction force of the crotch elastic member.
- shearing is formed.
- the crotch elastic member is disposed so as to straddle the front exterior web and the back exterior web, the crotch exterior sheet is contracted by the contraction force of the crotch elastic member. By doing so, shearing can be formed on the crotch outer sheet. As a result, in the worn article after completion, the crotch portion (crotch outer sheet) is pulled upward by the shearing, so that the front portion (front outer wed B) and a back portion (back exterior web). Therefore, according to this method, it is possible to manufacture a wearable article having a good wearing feeling by elastically bringing the wearer's crotch and the crotch part into close contact with each other by the heel.
- the shearing forming step it is preferable to form a shearing by narrowing the distance between the front exterior web and the back exterior web and maintaining this form U, .
- the crotch exterior sheet is contracted by narrowing the distance between the front exterior web and the back exterior web, and the form of the crotch exterior sheet at this time is maintained.
- a shirring can be formed.
- an absorber is disposed so as to cover the upper surface of the crotch exterior sheet, and at least It is preferable that the method further includes an absorbent body joining step of joining the absorbent body to the front exterior web and the back exterior web.
- the absorber is disposed on the crotch exterior sheet after the interval between the front exterior web and the back exterior web is narrowed. Shirring can be formed on the crotch outer sheet while maintaining the length.
- the present invention is a method of manufacturing a worn article having a front portion disposed on the abdomen of the wearer and a back portion disposed on the back of the wearer, and is used for forming the front portion.
- a front exterior web conveying step for transporting the front exterior web so that its longitudinal direction follows a preset flow direction, and a belt-shaped back exterior web for forming the back portion, the front exterior web
- a back exterior web transporting process for transporting in parallel with the front exterior web at a predetermined distance from the web, and a crotch exterior sheet arranged so as to straddle both exterior webs
- An exterior sheet joining step for joining the exterior sheets to both exterior webs, and a first crotch elastic member attached to the crotch exterior sheet in a stretched state in a direction crossing the flow direction.
- An attaching step a maintaining step of maintaining the first crotch elastic member in an extended state, a folding step of overlapping the front exterior web and the back exterior web while folding the crotch exterior sheet; The front exterior web at both sides of the crotch exterior sheet;
- a method for manufacturing a worn article comprising: joining a back exterior web along the width direction of the two exterior webs, and cutting each worn article.
- the crotch exterior sheet is disposed so as to straddle between the front exterior web and the back exterior web, and the crotch exterior sheets are folded and overlapped.
- the both exterior webs are joined in a ring shape, and a wearing article in which one opening is divided by the crotch exterior sheet is manufactured. be able to.
- the crotch outer sheet is stretched between the belt-shaped front outer web and the back outer web, and bonded to both sides of the crotch outer sheet. Since the gap corresponding to the opening for the redder can be formed, the opening for the redder can be formed without performing the work of cutting the both exterior webs.
- the material loss can be reduced as compared with the conventional worn article in which the material loss is caused by the opening area of the redder opening.
- the equipment required for cutting the redder opening can be omitted, so that the equipment cost can be reduced.
- the first crotch elastic member can be attached in an extended state to a portion that becomes the crotch portion after the worn article is completed. Tightening occurs in the crotch part due to the contraction force of the first crotch elastic member, and when worn, the crotch part is pulled upward to form a heel and take a shape like a trunks type Therefore, the comfort when worn is improved and the appearance is also improved.
- an absorbent body is disposed so as to cover the elastic member for the first clutch during the maintenance step, and the absorbent body is at least disposed on the front exterior web.
- a second crotch elastic member is attached to the absorbent body in an extended state.
- the longitudinal direction of the second crotch elastic member intersects the flow direction.
- U preferably arranged along the direction.
- the absorbent body can be contracted even if it is! Therefore, by integrally contracting the absorbent body and the first crotch elastic member, it is possible to obtain a finished worn article. You can fit these webs and absorbent bodies to the wearer's inseam.
- the absorbent body in the completed worn article, is tightened by the contraction force of the second crotch elastic member, and when worn, the absorbent body is pulled upward and worn. The comfort is even better.
- the first crotch elastic member is attached to the crotch exterior so as to leave the edges of the front exterior web and the back exterior web that are separated from each other in the width direction as a non-attached area.
- the front outer web and the back outer web and the absorber are bonded only in the non-attached regions.
- the crotch outer sheet can be expanded and contracted independently of the absorber in the region where the first crotch elastic member is attached, the rigidity (stretching) of the absorber is affected.
- the rigidity (stretching) of the absorber is affected.
- the elastic member (the second crotch elastic member) is also attached to the absorber in the above method, the first crotch elastic member in the worn article after completion is used. Since the absorbent body which is not affected by the expansion and contraction of the body can be fitted to the inseam of the wearer, the comfort can be further improved.
- the length dimension of the elastic member for the first crotch in the stretched state and the edges on the opposite sides of the front exterior web and the back exterior web before the folding process are performed. Since the ratio of the size to the space is set to 1:15 to 1: 2, it is possible to obtain a trunks shape with a good appearance after completion.
- the waist elastic member is stretched along the longitudinal direction of the two exterior webs with respect to the edges of the front exterior web and the back exterior web that are separated from each other. It is preferable to include an attaching process for attaching an elastic member for the waist.
- the waist opening formed between the front exterior web and the back exterior web can be narrowed by the waist elastic member. Can be kept in close contact with the waist to prevent slipping down when worn
- the present invention it is possible to reduce the material loss as compared with the conventional wearing article in which the material loss is caused by the opening area of the redder opening, and to cut the redder opening. Since the equipment required for this can be omitted, the equipment cost can also be reduced.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06732443A EP1875819B1 (en) | 2005-04-28 | 2006-04-27 | Method of manufacturing a wearing article |
US11/919,019 US7972319B2 (en) | 2005-04-28 | 2006-04-27 | Wearing article and method of manufacturing the same |
DE602006016098T DE602006016098D1 (de) | 2005-04-28 | 2006-04-27 | Herstellungsverfahren für einen tragbaren artikel |
JP2007514818A JP4981664B2 (ja) | 2005-04-28 | 2006-04-27 | 着用物品及びその製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2005-132895 | 2005-04-28 | ||
JP2005132894 | 2005-04-28 | ||
JP2005-132894 | 2005-04-28 | ||
JP2005132895 | 2005-04-28 |
Publications (1)
Publication Number | Publication Date |
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WO2006118214A1 true WO2006118214A1 (ja) | 2006-11-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/308892 WO2006118214A1 (ja) | 2005-04-28 | 2006-04-27 | 着用物品及びその製造方法 |
Country Status (5)
Country | Link |
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US (1) | US7972319B2 (ja) |
EP (1) | EP1875819B1 (ja) |
JP (1) | JP4981664B2 (ja) |
DE (1) | DE602006016098D1 (ja) |
WO (1) | WO2006118214A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
JP4981664B2 (ja) | 2012-07-25 |
DE602006016098D1 (de) | 2010-09-23 |
EP1875819B1 (en) | 2010-08-11 |
EP1875819A4 (en) | 2009-04-22 |
JPWO2006118214A1 (ja) | 2008-12-18 |
US20090312739A1 (en) | 2009-12-17 |
US7972319B2 (en) | 2011-07-05 |
EP1875819A1 (en) | 2008-01-09 |
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