WO2013161700A1 - Disposable worn article and method for producing same - Google Patents
Disposable worn article and method for producing same Download PDFInfo
- Publication number
- WO2013161700A1 WO2013161700A1 PCT/JP2013/061620 JP2013061620W WO2013161700A1 WO 2013161700 A1 WO2013161700 A1 WO 2013161700A1 JP 2013061620 W JP2013061620 W JP 2013061620W WO 2013161700 A1 WO2013161700 A1 WO 2013161700A1
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- WIPO (PCT)
- Prior art keywords
- waistline
- continuous
- nonwoven fabric
- resin sheet
- main body
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15756—Applying tabs, strips, tapes, loops; Knotting the ends of pads
-
- 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
-
- 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
- A61F13/4906—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 an outer chassis forming the diaper and an independent absorbent structure attached to the chassis
- A61F13/49061—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 an outer chassis forming the diaper and an independent absorbent structure attached to the chassis the diaper having one or two waist members forming the diaper waist region and an independent absorbent structure attached to the one or two waist members forming the crotch region
-
- 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
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F13/4942—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier the barrier not being integral with the top- or back-sheet
-
- 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
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49466—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the waist region
-
- 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
Definitions
- the present invention relates to a disposable wearing article and a method for manufacturing the same.
- an object of the present invention is to provide a disposable wearing article which is intended to reduce the material cost and is less prone to creaking around the trunk without providing the indication sheet separately, and a method for manufacturing the same.
- the disposable wearing article of the present invention is a disposable wearing article 1 in a certain aspect,
- the wearing article 1 covers at least one waistline member 3F, 3B extending in the waistline direction X and covers the wearer's waist, and overlaps the skin surface of the waistline members 3F, 3B with an overlapping portion 23, and is perpendicular to the waistline direction X.
- An absorbent main body 2 extending in the direction Y and covering the crotch of the wearer,
- the waistline members 3F and 3B have a non-skin surface formed of a waistline nonwoven fabric, and at least one of the waistline members 3F and 3B is located in the waistline direction X rather than the end of the absorbent main body 2 in the waistline direction X.
- the absorbent main body 2 includes an absorbent core 24 that absorbs the body fluid of the wearer, a liquid-impermeable resin sheet 27 that covers the non-skin surface of the absorbent core 24, and a non-skin surface of the resin sheet 27.
- the covering non-woven fabric 4 is laminated,
- the exterior nonwoven fabric 4 is shorter than the resin sheet 27 in the longitudinal direction Y perpendicular to the waistline direction X, and the exterior nonwoven fabric 4 does not cover the resin sheet 27 in part or all of the overlapping portion 23.
- a non-covering portion 40 is provided, A pair of three-dimensional cuffs 25 are provided for preventing body fluid from leaking in contact with the wearer's crotch on the skin surface of the absorbent main body 2, The three-dimensional cuff 25 does not cover the center of the resin sheet 27 in the waistline direction X, and each sheet forming the pair of three-dimensional cuffs 25 wraps the end of the absorbent main body 2 in the waistline direction X. It is.
- the method of the present invention transports a pair of continuous sheets W25 and W25 that are the pair of three-dimensional cuffs 25 in parallel with each other; A step of intermittently arranging the exterior nonwoven fabric 4 in the continuous direction of the continuous sheet W25 between the continuous sheets W25, W25 so as to crotch the continuous sheets W25, W25; Arranging the absorbent main body 2 between the continuous sheets W25, W25; A step of forming the three-dimensional cuff 25 by folding back the end of the continuous sheet W25 in the waistline direction X after the absorbent main body 2 is arranged.
- the length of the exterior nonwoven fabric 4 in the longitudinal direction Y is shorter than the length of the resin sheet 27 in the longitudinal direction Y. Therefore, the material cost can be reduced, and the waistline can be prevented from becoming stiff. . Moreover, when it has a pattern in the non-skin surface side of the said resin sheet 27, the number of sheets in the said non-covering part 40 in which the said exterior nonwoven fabric 4 does not cover the said resin sheet 27 decreases. Therefore, it is easy to visually recognize the design as viewed from the outside when the worn article is worn. Further, both ends of the absorbent main body 2 in the waistline direction X are wrapped by the pair of three-dimensional cuffs 25. Therefore, the both ends of the absorptive main body 2 will not touch a wearer's skin surface, and the wearing feeling of a wear article will improve.
- FIG. 1 is a schematic exploded perspective view showing a disposable wearing article according to a first embodiment of the present invention.
- 2A is a front view showing the wearing article in an expanded state
- FIG. 2B is a sectional view taken along line IIB-IIB
- FIG. 2C is a sectional view taken along line IIC-IIC.
- FIG. 3 is a schematic rear view of the worn article developed.
- FIG. 4 is a schematic plan view showing the method for manufacturing the exterior laminated body according to the first embodiment.
- FIG. 5 is a schematic plan view showing a method for producing the continuous laminate.
- FIG. 6 is a schematic plan view showing a method for manufacturing a worn article.
- FIG. 7 is a schematic rear view of the wearing article according to the second embodiment.
- FIG. 1 is a schematic exploded perspective view showing a disposable wearing article according to a first embodiment of the present invention.
- 2A is a front view showing the wearing article in an expanded state
- FIG. 2B is a sectional view
- FIG. 8A is a front view of the wearing article according to the third embodiment
- FIG. 8B is a cross-sectional view taken along the line IIB-IIB
- FIG. 8C is a cross-sectional view taken along the line IIC-IIC.
- FIG. 9 is a schematic layout diagram showing an apparatus for manufacturing an exterior continuous laminate according to the first embodiment.
- the pair of three-dimensional cuffs 25 are preferably joined to the pair of side edges 4E extending in the longitudinal direction Y of the exterior nonwoven fabric 4.
- a pair of three-dimensional cuffs 25, 25 separated from each other are connected in the waistline direction X by the exterior nonwoven fabric 4.
- the resin sheet 27 covers the edge of the absorbent core 24 in the waistline direction X. In this case, body fluid can be prevented from leaking from the edge of the absorbent core 24 covered with the resin sheet 27.
- Example 1 Hereinafter, the structure of the wearing article 1 concerning one Example of this invention is demonstrated according to drawing. 1 to 6 show a first embodiment.
- the wearing article 1 of the present embodiment includes an absorbent main body 2, a front waistline member 3F, and a rear waistline member 3B.
- the absorbent main body 2 includes a front portion (front waistline portion) 20 that covers the wearer's front waist and extends in the waistline direction X, a back portion (rear waistline portion) 21 that covers the wearer's back waist and extends in the waistline direction X, and
- the crotch portion 22 covers the wearer's crotch between the front portion 20 and the back portion 21.
- the crotch portion 22 is connected to the front portion 20 and the back portion 21 and extends in the longitudinal direction Y orthogonal to the waistline direction X.
- the absorbent main body 2 constitutes part or all of the crotch portion 22.
- the crotch portion 22 when worn, the crotch portion 22 is folded in two along a line parallel to the waistline direction X.
- the ends of the front waistline member 3F and the rear waistline member 3B in the waistline direction X overlap each other.
- the absorbent main body 2 is provided with an absorbent core 24 indicated by a broken line, and the absorbent core 24 absorbs body fluid.
- the absorbent core 24 is sandwiched between a top sheet 26 and a back sheet (resin sheet) 27, and the sheets 26 and 27 and the absorbent core 24 are laminated together.
- the top sheet 26 is made of a liquid-permeable nonwoven fabric and covers the skin surface of the absorbent core 24.
- a pair of three-dimensional cuffs 25 are provided on the top sheet 26.
- the pair of three-dimensional cuffs 25 have an elastic member F1 (FIG. 1) for the cuffs 25 to be in close contact with the wearer's skin, whereby the cuff 25 is placed between the wearer's crotch on the skin surface of the absorbent main body 2. Prevents body fluid from leaking from the worn article.
- the back sheet 27 covers the non-skin surface of the absorbent core 24 and is made of a liquid-impermeable resin sheet. On the non-skin surface of the back sheet 27 made of this resin sheet, a pattern, figure and / or character as shown in FIG. 3 or FIG. 7 may be printed. Further, a sheet member on which a pattern, a figure, and / or a character is printed may be attached to the non-skin surface of the back sheet 27.
- the exterior nonwoven fabric 4 shown in FIG. 1 is bonded and laminated on the non-skin surface of the back sheet 27.
- the exterior nonwoven fabric 4 covers a part of the back sheet 27, which will be described in detail later.
- the three-dimensional cuff 25 is joined to the side edge 4E of the exterior nonwoven fabric 4 on the non-skin surface of the exterior nonwoven fabric 4, and the top at the side edge 26E on the skin surface of the top sheet 26.
- the sheet 26 may be joined.
- at least a part of the non-skin surface of the back sheet 27 and at least a part of the skin surface of the three-dimensional cuff 25 may be joined to each other.
- the absorptive main body 2 is constructed between a front waistline member 3F and a rear waistline member 3B.
- the front waistline member 3F is affixed to the end portion in the longitudinal direction Y of the front portion 20 of the absorbent main body 2, and the absorbent main body 2 overlaps the skin surface of the front waistline member 3F at the overlapping portion 23.
- the rear waistline member 3B is affixed to the end in the longitudinal direction Y of the back portion 21 of the absorbent main body 2, and the absorbent main body 2 overlaps the skin surface of the rear waistline member 3B at the overlapping portion 23. Yes.
- the front and rear waistline members 3F and 3B protrude from the absorbent main body 2 in the waistline direction X and constitute a part of the front and rear waistline parts. That is, as shown in FIG. 2A, the waistline members 3F and 3B protrude in the waistline direction X from the crotch part 22, and protrude from both edges (ends in the waistline direction) ridge E1 of the absorbent main body 2 (crotch part 22). It extends to.
- the front and rear waistline members 3F and 3B are formed, for example, by laminating a pair of non-woven fabrics 30 and 31 shown in FIG. These nonwoven fabrics 30 and 31 have air permeability.
- the front and rear waistline members 3 ⁇ / b> F and 3 ⁇ / b> B may be provided with elastic members 32 for fitting the wearing article 1 to the wearer, as indicated by the broken lines in FIG. 1.
- the elastic member 32 for example, a material including a plurality of thread rubbers, flat rubbers, films, or thermoplastic resins can be employed.
- the elastic member 32 may be invalidated (no contraction force) at the center of the front and back (the center of the waist members 3F and 3B).
- the front and rear waistline members 3F and 3B may be single layer stretchable nonwoven fabrics. In this case, the air permeability is increased as compared with the case where a pair of non-woven fabrics are laminated, and the visibility of symbols and the like is improved.
- each solid cuff 25 is a member different from the exterior nonwoven fabric 4, and both side portions 41 are folded in an S shape or Z shape, and in the longitudinal direction Y.
- An elastic member F1 that expands and contracts is disposed and formed.
- a pair of male fasteners (not shown) are fixed to both edges of the skin surface of the rear waistline member 3B, while a female surface fastener is fixed to the non-skin surface of the front waistline member 3F. May be.
- the wearing article may replace with a male surface fastener and may use the tape agent to which the fixing agent was apply
- the ends of the front waistline member 3F and the rear waistline member 3B in the waistline direction X may be welded to each other.
- the non-skin surfaces of the waist members 3F and 3B in FIG. 3 are formed of a nonwoven fabric.
- the “skin surface” refers to a surface that faces the wearer's skin when the wearing article 1 is worn
- the “non-skin surface” refers to a surface opposite to the skin surface.
- the exterior nonwoven fabric 4 is shorter in the longitudinal direction Y perpendicular to the waistline direction X than the back sheet 27 (resin sheet), and the back in a part or all of the overlapping portion 23.
- a non-covering portion 40 where the sheet 27 is not covered with the exterior nonwoven fabric 4 is provided. That is, as shown in FIG. 2A, the non-covering portions 40, 40 are provided at both edges in the longitudinal direction Y of the backsheet 27, and the exterior nonwoven fabric 4 in the longitudinal direction Y has the non-covering portions 40, 40 is arranged between 40.
- the three-dimensional cuff 25 does not cover the center of the back sheet 27 in the waistline direction X, and each sheet forming the pair of three-dimensional cuffs 25 is the absorbent main body 2.
- the outer nonwoven fabric 4 is wrapped around the end portion in the waistline direction X.
- a pair of continuous nonwoven fabrics (an example of a continuous sheet) W25 and W25 that form a pair of three-dimensional cuffs 25 are conveyed in the Y1 direction in parallel to each other.
- the exterior nonwoven fabric 4 is intermittently disposed along the continuous direction of the continuous sheet W25 between the continuous nonwoven fabrics W25 and W25 so as to crotch the continuous nonwoven fabrics W25 and W25.
- the non-covering portions 40 and 40 are formed between the exterior nonwoven fabrics 4 and 4 adjacent to each other.
- the elastic member F1 is arranged along the longitudinal direction Y1 on both side portions 41 of each continuous nonwoven fabric W25, W25, and both side portions 41 of each continuous nonwoven fabric W25 are folded back so that the elastic member F1 becomes the continuous nonwoven fabric W25. To be joined.
- the absorptive main body 2 is arrange
- a continuous resin sheet S27 forming the back sheet 27 is continuously disposed between the two continuous nonwoven fabrics W25 and W25.
- the width defined by the edges in the width direction X perpendicular to the longitudinal direction Y1 of the pair of continuous nonwoven fabrics W25 that form the pair of three-dimensional cuffs 25 is larger than that of the continuous resin sheet S27 that forms the back sheet 27.
- the continuous nonwoven fabrics W25 and W25 have both side portions 41 and 41 projecting from the continuous resin sheet S27 to both sides in the width direction, and the elastic members F1 that expand and contract in the longitudinal direction Y1 are disposed on the both side portions 41 and 41. Is done.
- the continuous resin sheet S27 to be the back sheet 27 is bonded onto the skin surface of the pair of continuous nonwoven fabrics W25, and the non-covering portion 40 is closed by the continuous resin sheet S27, and the first bonding process is executed. Is done.
- the outer nonwoven fabric 4 is sandwiched between the continuous nonwoven fabric W25 and the continuous resin sheet S27 at both edges in the width direction X of the outer nonwoven fabric 4.
- the elastic member F2 may be arrange
- the absorbent core 24 is intermittently disposed and laminated between the continuous resin sheet S27 bonded to the continuous nonwoven fabric W25 and the continuous nonwoven fabric W26 forming the top sheet.
- the continuous laminated body W2 used as the absorptive main body 2 is produced
- the edges of the continuous nonwoven fabrics W25 and W25 that become the pair of three-dimensional cuffs 25 and 25 in the vicinity of the end portion in the waistline direction X of the continuous laminate W2 are further folded back to form an S shape or A pair of Z-shaped solid cuffs 25, 25 are formed.
- the three-dimensional cuff 25 does not cover the center in the waistline direction X of the continuous resin sheet S27 to be the back sheet 27 in the continuous laminate W2, and the pair of three-dimensional cuffs. 25 (continuous nonwoven fabric W25) each sheet
- the said continuous laminated body W2 and the said continuous nonwoven fabric W25 are obtained. It is cut along a virtual cutting line C (FIG. 5) extending in the width direction orthogonal to the longitudinal direction. That is, the said continuous laminated body W2 of FIG. 5 and the said continuous nonwoven fabric W25 are cut off to the magnitude
- a laminated absorbent body 2 is produced.
- the absorbent main body 2 has a pair of three-dimensional cuffs 25 and 25. The produced absorbent body 2 is turned 90 °.
- the absorbent main body 2 is installed on a continuous nonwoven fabric laminated body W3F, W3B that becomes a pair of waistline members 3F, 3B.
- a second bonding step is performed in which the waistline members 3F and 3B are stacked and bonded to the non-skin surface of the back sheet 27 so that the non-covered portion 40 is covered with the stacked bodies W3F and W3B. Is done.
- the continuous pattern 100 as shown in FIG. 7 may be sufficient.
- the worn article may be a T-type diaper in which a waistline member extending in the waistline direction X is joined only to the rear waistline part.
- the non-covering part 40 may be provided only in the part to which the waistline member is joined.
- the exterior nonwoven fabric 4 may be disposed on the non-skin surface of the three-dimensional cuff 25. That is, the three-dimensional cuff 25 may be disposed so as to be sandwiched between the back sheet 27 and the exterior nonwoven fabric 4.
- the exterior nonwoven fabric 4 is attached to the lower surface of the continuous nonwoven fabric W25, 25, and therefore the exterior nonwoven fabric 4 is not wrapped by the continuous nonwoven fabric W25, 25.
- the width of the back sheet 27 is made wider than the width of the outer nonwoven fabric 4 and is folded back in the vicinity of the edge in the waist direction X of the absorbent core 24 so that the back sheet 27 is in the waist direction X of the absorbent core 24.
- cover concerning the said Example 1 shown in FIG. 4 may be performed by the manufacturing apparatus shown in FIG. 9, for example.
- the manufacturing apparatus includes a conveyor 5, a cutter C, a first drum D1, a second drum D2, and a third drum D3.
- the exterior nonwoven fabric 4 is supplied to the first drum D1.
- a pair of continuous nonwoven fabrics W25 and W25 on which the elastic member F1 (FIG. 4) is disposed are supplied to the second drum D2.
- the pair of elastic members F2, F2 and the continuous resin sheet S27 are supplied to the third drum D3.
- the exterior nonwoven fabric 4 is supplied from the conveyor 5 to the first drum D1 in a continuous state.
- the supplied exterior nonwoven fabric 4 is cut
- the first drum D1 has a plurality of suction pads (not shown).
- the respective suction pads are separated from each other in the circumferential direction of the first drum D1 while transporting the exterior nonwoven fabric 4 in a state where the cut exterior nonwoven fabric 4 is adsorbed, and thereby the individual exterior nonwoven fabrics 4 are mutually transported in the transport direction. Separate. This separation may be performed by a known cut and slip.
- each of the exterior nonwoven fabrics 4 is conveyed from the first drum D1 to the second drum D2.
- each of the exterior nonwoven fabrics 4 is intermittently disposed in the continuous direction of the continuous nonwoven fabric W25 so as to straddle the pair of continuous nonwoven fabrics W25 and W25 (FIG. 4).
- the continuous nonwoven fabric W25 in which the exterior nonwoven fabric 4 is intermittently disposed is conveyed from the second drum D2 to the third drum D3.
- the continuous resin sheet S27 is bonded to the continuous nonwoven fabric W25, and the first bonding process is performed.
- the said elastic member F2 is arrange
- the present invention can be applied to disposable diapers and pants.
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
したがって、本発明の目的は前記インジケーションシートを別途設けることなく、材料コストのダウンを図ると共に胴回りのゴワツキが生じにくい使い捨て着用物品およびその製造方法を提供することである。 However, if the indication sheet is provided separately, the material cost increases. In addition, when the sheet is disposed in the waistline region, it becomes a factor that causes diapers and the like to become rough.
Accordingly, an object of the present invention is to provide a disposable wearing article which is intended to reduce the material cost and is less prone to creaking around the trunk without providing the indication sheet separately, and a method for manufacturing the same.
前記着用物品1は着用者の胴を覆い胴回り方向Xに延びる少なくとも1つの胴回り部材3F,3Bと、前記胴回り部材3F,3Bの肌面に重なり部23で重なり、前記胴回り方向Xに直交する縦方向Yに延び前記着用者の股間を覆う吸収性本体2とを備え、
前記胴回り部材3F,3Bは、その非肌面が胴回り不織布で形成され、かつ、少なくとも1つの前記胴回り部材3F,3Bは前記吸収性本体2の前記胴回り方向Xの端よりも前記胴回り方向Xに突出しており、
前記吸収性本体2は、着用者の体液を吸収する吸収性コア24と、前記吸収性コア24の非肌面を覆う液不透過性の樹脂シート27と、前記樹脂シート27の非肌面を覆う外装
不織布4とが積層されており、
前記外装不織布4は前記樹脂シート27よりも前記胴回り方向Xに直交する縦方向Yの長さが短く、前記重なり部23の一部又は全部において前記樹脂シート27を前記外装不織布4が覆っていない非覆い部40が設けられ、
前記吸収性本体2の肌面において着用者の股間に接触して体液が漏れるのを防止するための一対の立体カフ25が設けられ、
前記立体カフ25が前記樹脂シート27の前記胴回り方向Xの中央を覆わずに、かつ、前記一対の立体カフ25を形成する各シートが前記吸収性本体2の前記胴回り方向Xの端部を包んでいる。
一方、本発明方法は、ある局面において、前記一対の立体カフ25となる一対の連続シートW25,W25を互いに平行に搬送する工程と、
前記連続シートW25,W25に股がるように前記連続シートW25,W25間に前記外装不織布4を前記連続シートW25の連続方向に間欠配置する工程と、
前記連続シートW25,W25間に前記吸収性本体2を配置する工程と、
前記吸収性本体2の配置後に、前記連続シートW25の前記胴回り方向Xの端部を折り返して前記立体カフ25を形成する工程とを備える。 The disposable wearing article of the present invention is a disposable wearing
The wearing
The
The absorbent
The exterior
A pair of three-
The three-
On the other hand, the method of the present invention, in a certain aspect, transports a pair of continuous sheets W25 and W25 that are the pair of three-
A step of intermittently arranging the exterior
Arranging the absorbent
A step of forming the three-
また、前記樹脂シート27の非肌面側に図柄を有する場合、前記外装不織布4が前記樹脂シート27を覆っていない前記非覆い部40におけるシートの枚数が少なくなる。したがって、着用物品の着用時に外部から見て前記図柄を視認し易い。
また、一対の立体カフ25によって、吸収性本体2の胴回り方向Xの両端が包まれている。したがって、吸収性本体2の両端が着用者の肌面に触れず、着用物品の着用感が向上するだろう。 According to the present invention, the length of the exterior
Moreover, when it has a pattern in the non-skin surface side of the said
Further, both ends of the absorbent
この場合、互いに分離された一対の立体カフ25,25が外装不織布4によって前記胴回り方向Xに連接される。
更に好ましくは、前記樹脂シート27は前記吸収性コア24の前記胴回り方向Xの縁部を覆っている。
この場合、前記樹脂シート27で覆われた前記吸収性コア24の縁部から体液が漏れるのを抑制し得る。 In the present wearing article, the pair of three-
In this case, a pair of three-
More preferably, the
In this case, body fluid can be prevented from leaking from the edge of the
以下、本発明の一実施例にかかる着用物品1の構造が図面にしたがって説明される。
図1~図6は実施例1を示す。 Example 1
Hereinafter, the structure of the wearing
1 to 6 show a first embodiment.
前記吸収性コア24は、トップシート26とバックシート(樹脂シート)27との間で挟まれていると共に、各シート26,27および吸収性コア24は互いに積層されてなる。 As shown in FIG. 1, the absorbent
The
図2Cに示すように、前記立体カフ25は、前記外装不織布4の非肌面において前記外装不織布4の側縁4Eに接合されると共に、前記トップシート26の肌面における側縁26Eにおいて前記トップシート26に接合されていてもよい。
また、前記バックシート27の非肌面の少なくとも一部と前記立体カフ25の肌面の少なくとも一部とが互いに接合されていてもよい。 The exterior
As shown in FIG. 2C, the three-
Further, at least a part of the non-skin surface of the
前記前後の各胴回り部材3F、3Bは、単層の伸縮性不織布であってもよい。この場合、一対の不織布を積層する場合に比べて通気性が増し、図柄等の視認性も向上する。 In FIG. 1, the front and rear waistline members 3 </ b> F and 3 </ b> B may be provided with
The front and
図1に示すように、本実施例の場合、前記各立体カフ25は外装不織布4とは別の部材で両側部41がS字状ないしZ字状に折られ、かつ、前記縦方向Yに伸縮する弾性部材F1が配置されて形成されている。 Moreover, you may form in the absorptive
As shown in FIG. 1, in the case of the present embodiment, each
また、着用物品がパンツ型である場合、前胴回り部材3Fと後胴回り部材3Bの胴回り方向Xの端部同士が互いに溶着されていてもよい。 In addition, it may replace with a male surface fastener and may use the tape agent to which the fixing agent was apply | coated. In this case, it is necessary to form on the
Moreover, when the wearing article is a pants-type, the ends of the
本明細書において、「肌面」とは着用物品1の着用時において着用者の肌に対面する面をいい、「非肌面」とは前記肌面とは反対の面をいう。 The non-skin surfaces of the
In this specification, the “skin surface” refers to a surface that faces the wearer's skin when the wearing
図1に示すように、前記外装不織布4は前記バックシート27(樹脂シート)よりも前記胴回り方向Xに直交する縦方向Yの長さが短く、前記重なり部23の一部又は全部において前記バックシート27を前記外装不織布4が覆っていない非覆い部40が設けられている。すなわち、図2Aに示すように、前記バックシート27の縦方向Yの両縁において前記非覆い部40,40が設けられており、前記縦方向Yにおいて前記外装不織布4は前記非覆い部40,40の間に挟まれて配置されている。
図2Aおよび図2Cに示すように、前記立体カフ25は前記バックシート27の前記胴回り方向Xの中央を覆わずに、かつ、前記一対の立体カフ25を形成する各シートが前記吸収性本体2および外装不織布4の前記胴回り方向Xの端部を包んでいる。 Next, the main part of the present invention will be described.
As shown in FIG. 1, the exterior
2A and 2C, the three-
図4に示すように、一対の立体カフ25となる一対の連続不織布(連続シートの一例)W25,W25を互いに平行にY1方向へ搬送する。前記連続不織布W25,W25に股がるように連続不織布W25,W25間に外装不織布4を前記連続シートW25の連続方向に沿って間欠的に配置する。
この間欠配置により、互いに隣り合う外装不織布4,4同士の間に前記非覆い部40、40が形成される。
前記各連続不織布W25,W25の両側部41に前記長手方向Y1に沿って、前記弾性部材F1が配置され、前記各連続不織布W25の両側部41が折り返されて前記弾性部材F1が前記連続不織布W25に接合される。 Next, a method for manufacturing the
As shown in FIG. 4, a pair of continuous nonwoven fabrics (an example of a continuous sheet) W25 and W25 that form a pair of three-
By this intermittent arrangement, the
The elastic member F1 is arranged along the longitudinal direction Y1 on both
たとえば、図4に示すように、まず、前記バックシート27を形成する連続樹脂シートS27が前記両連続不織布W25,W25間に連続的に配置される。
一対の立体カフ25となる一対の連続不織布W25の前記長手方向Y1に直交する幅方向Xの縁で定義される幅は前記バックシート27を形成する連続樹脂シートS27のそれよりも大きく、前記各連続不織布W25,W25は連続樹脂シートS27から幅方向の両側に張り出す両側部41,41を有しており、前記両側部41,41には前記長手方向Y1に伸縮する前記弾性部材F1が配置される。 Then, the absorptive
For example, as shown in FIG. 4, first, a continuous resin sheet S27 forming the
The width defined by the edges in the width direction X perpendicular to the longitudinal direction Y1 of the pair of continuous nonwoven fabrics W25 that form the pair of three-
なお、図4に示すように、当該第1貼り合わせ工程の際に、連続樹脂シートS27と連続不織布W25との間に弾性部材F2が配置されてもよい。 Thereafter, the continuous resin sheet S27 to be the
In addition, as shown in FIG. 4, the elastic member F2 may be arrange | positioned between the continuous resin sheet S27 and the continuous nonwoven fabric W25 in the case of the said 1st bonding process.
すなわち、図5の前記連続積層体W2および前記連続不織布W25は二点鎖線で示す切断線Cに沿って個々の着用物品ごとの大きさ(単位)に切り取られて、図6の外装不織布4が積層された吸収性本体2が生成される。当該吸収性本体2は一対の立体カフ25,25を有する。生成された吸収性本体2は90°旋回される。 Then, as shown in FIG. 6, in order to obtain the said absorptive
That is, the said continuous laminated body W2 of FIG. 5 and the said continuous nonwoven fabric W25 are cut off to the magnitude | size (unit) for each wearing article along the cutting line C shown with a dashed-two dotted line, and the exterior
また、前記実施例では吸収性本体2の両縁E1から胴回り方向Xに延び出す吸収性本体2の胴回り部材として、前胴回り部材3Fおよび後胴回り部材3Bの双方を有する場合について説明したが、例えば本着用物品は胴回り方向Xに延び出す胴回り部材が後胴部分にのみ接合されたT型のオムツであってもよい。この場合、胴回り部材が接合された部分にのみ非覆い部40が設けられてもよい。 In addition, when giving a pattern etc. to the said back seat |
Moreover, although the said Example demonstrated the case where it had both the
たとえば、同製造装置は、コンベヤ5、カッターC、第1ドラムD1、第2ドラムD2および第3ドラムD3を備えている。 In this invention, the manufacturing method of the continuous laminated body for exterior | cover concerning the said Example 1 shown in FIG. 4 may be performed by the manufacturing apparatus shown in FIG. 9, for example.
For example, the manufacturing apparatus includes a
2:吸収性本体,20:フロント部,21:バック部,22:股部,23:重なり部,24:吸収性コア 24E:吸収性コアの側縁 25:立体カフ,26:トップシート 26E:トップシートの側縁,27:バックシート(樹脂シート),
3F:前胴回り部材,3B:後胴回り部材,
4:外装不織布,40:非覆い部,41:側部,4E:外装不織布の側縁,
5:コンベヤ C:カッター D1~D3:第1ドラム~第3ドラム
F1,F2:弾性部材,
W2:連続積層体,W25:カフ用の連続不織布(シート),
X:胴回り方向,Y:縦方向
1: worn article,
2: Absorbent body, 20: Front part, 21: Back part, 22: Crotch part, 23: Overlapping part, 24:
3F: Front waistline member, 3B: Rear waistline member,
4: exterior nonwoven fabric, 40: uncovered portion, 41: side portion, 4E: side edge of exterior nonwoven fabric,
5: Conveyor C: Cutter D1 to D3: First drum to third drum F1, F2: Elastic member,
W2: continuous laminate, W25: continuous nonwoven fabric (sheet) for cuff,
X: waist direction, Y: vertical direction
Claims (4)
- 使い捨て着用物品1であって、
前記着用物品1は着用者の胴を覆い胴回り方向Xに延びる少なくとも1つの胴回り部材3F,3Bと、前記胴回り部材3F,3Bの肌面に重なり部23で重なり、前記胴回り方向Xに直交する縦方向Yに延び前記着用者の股間を覆う吸収性本体2とを備え、
前記胴回り部材3F,3Bは、その非肌面が胴回り不織布で形成され、かつ、少なくとも1つの前記胴回り部材3F,3Bは前記吸収性本体2の前記胴回り方向Xの端よりも前記胴回り方向Xに突出しており、
前記吸収性本体2は、着用者の体液を吸収する吸収性コア24と、前記吸収性コア24の非肌面を覆う液不透過性の樹脂シート27と、前記樹脂シート27の非肌面を覆う外装
不織布4とが積層されており、
前記外装不織布4は前記樹脂シート27よりも前記縦方向Yの長さが短く、前記重なり部23の一部又は全部において前記樹脂シート27を前記外装不織布4が覆っていない非覆い部40が設けられ、
前記吸収性本体2の肌面において着用者の股間に接触して体液が漏れるのを防止するための一対の立体カフ25が設けられ、
前記立体カフ25が前記樹脂シート27の前記胴回り方向Xの中央を覆わずに、かつ、前記一対の立体カフ25を形成する各シートが前記吸収性本体2の前記胴回り方向Xの端部を包んでいる。 Disposable wearing article 1,
The wearing article 1 covers at least one waistline member 3F, 3B extending in the waistline direction X and covers the wearer's waist, and overlaps the skin surface of the waistline members 3F, 3B with an overlapping portion 23, and is perpendicular to the waistline direction X. An absorbent main body 2 extending in the direction Y and covering the crotch of the wearer,
The waistline members 3F and 3B have a non-skin surface formed of a waistline nonwoven fabric, and at least one of the waistline members 3F and 3B is located in the waistline direction X rather than the end of the absorbent main body 2 in the waistline direction X. Protruding,
The absorbent main body 2 includes an absorbent core 24 that absorbs the body fluid of the wearer, a liquid-impermeable resin sheet 27 that covers the non-skin surface of the absorbent core 24, and a non-skin surface of the resin sheet 27. The covering non-woven fabric 4 is laminated,
The exterior nonwoven fabric 4 is shorter in the longitudinal direction Y than the resin sheet 27, and a non-covering portion 40 is provided in which the exterior nonwoven fabric 4 does not cover the resin sheet 27 in a part or all of the overlapping portion 23. And
A pair of three-dimensional cuffs 25 are provided for preventing body fluid from leaking in contact with the wearer's crotch on the skin surface of the absorbent main body 2,
The three-dimensional cuff 25 does not cover the center of the resin sheet 27 in the waistline direction X, and each sheet forming the pair of three-dimensional cuffs 25 wraps the end of the absorbent main body 2 in the waistline direction X. It is. - 請求項1において、前記外装不織布4の前記縦方向Yに延びる一対の側縁4Eに前記一対の立体カフ25が接合されている。 In Claim 1, the pair of three-dimensional cuffs 25 are joined to a pair of side edges 4E extending in the longitudinal direction Y of the exterior nonwoven fabric 4.
- 請求項1もしくは2において、前記樹脂シート27は前記吸収性コア24の前記胴回り方向Xの肌面側の縁部の少なくとも一部を覆っている。 In Claim 1 or 2, the resin sheet 27 covers at least a part of an edge of the absorbent core 24 on the skin surface side in the waistline direction X.
- 請求項1、2もしくは3の使い捨て着用物品1の製造方法であって、
前記一対の立体カフ25となる一対の連続シートW25,W25を互いに平行に搬送する工程と、
前記連続シートW25,W25に股がるように前記連続シートW25,W25間に前記外装不織布4を前記連続シートW25の連続方向に間欠配置する工程と、
前記連続シートW25,W25間に前記吸収性本体2を配置する工程と、
前記吸収性本体2の配置後に、前記連続シートW25の前記胴回り方向Xの端部を折り返して前記立体カフ25を形成する工程とを備える。
It is a manufacturing method of the disposable wearing article 1 of Claim 1, 2, or 3,
Conveying a pair of continuous sheets W25, W25 to be the pair of three-dimensional cuffs 25 in parallel with each other;
A step of intermittently arranging the exterior nonwoven fabric 4 in the continuous direction of the continuous sheet W25 between the continuous sheets W25, W25 so as to crotch the continuous sheets W25, W25;
Arranging the absorbent main body 2 between the continuous sheets W25, W25;
A step of forming the three-dimensional cuff 25 by folding back the end of the continuous sheet W25 in the waistline direction X after the absorbent main body 2 is arranged.
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JP6212484B2 (en) | 2017-10-11 |
JPWO2013161700A1 (en) | 2015-12-24 |
MY174506A (en) | 2020-04-23 |
CN104185463A (en) | 2014-12-03 |
CN104185463B (en) | 2016-03-23 |
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