WO2014097928A1 - Procédé de fabrication d'articles absorbants de type culotte - Google Patents

Procédé de fabrication d'articles absorbants de type culotte Download PDF

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Publication number
WO2014097928A1
WO2014097928A1 PCT/JP2013/083047 JP2013083047W WO2014097928A1 WO 2014097928 A1 WO2014097928 A1 WO 2014097928A1 JP 2013083047 W JP2013083047 W JP 2013083047W WO 2014097928 A1 WO2014097928 A1 WO 2014097928A1
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WO
WIPO (PCT)
Prior art keywords
sheet
constituting
exterior body
main body
covering
Prior art date
Application number
PCT/JP2013/083047
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English (en)
Japanese (ja)
Inventor
尚規 田村
小林　賢司
Original Assignee
花王株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 花王株式会社 filed Critical 花王株式会社
Priority to CN201380066445.3A priority Critical patent/CN104869959B/zh
Publication of WO2014097928A1 publication Critical patent/WO2014097928A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15739—Sealing, e.g. involving cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15804—Plant, e.g. involving several steps
    • 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 method for producing a pants-type absorbent article such as a pants-type disposable diaper.
  • a pants-type disposable diaper it is provided with an absorbent main body and an exterior body that is arranged on the non-skin-facing surface side of the absorbent main body and fixes the absorbent main body, and corresponds to the wearer's front-rear direction
  • the exterior body has a longitudinal direction and a lateral direction perpendicular to the longitudinal direction, and has a ventral side portion disposed on the abdomen side of the wearer and a dorsal side portion disposed on the back side in the longitudinal direction when worn.
  • the side edges along the longitudinal direction of the exterior body ventral region located on the ventral side and the exterior body backside region located on the back side are joined together to form a pair of side seal portions, a waist opening, and What is formed with a pair of leg openings is widely used.
  • the skin-facing surface at the longitudinal end of the absorbent main body is leak-proof for the purpose of preventing leakage of excretion fluid such as urine from the vertical end of the absorbent main body. Covering with a sheet is performed.
  • Patent Document 1 discloses that the length of the outer layer sheet constituting the exterior body is longer than that of the inner layer sheet constituting the exterior body.
  • the extended portion of the outer layer sheet from the outer edge in the longitudinal direction of the inner layer sheet is folded back to the inner layer sheet side, and
  • the underpants type disposable diaper which comprises the structure by which the longitudinal direction edge part of an absorptive main body is distribute
  • Patent Document 1 folds the outer layer sheet that forms the non-skin facing surface of the two-layered exterior body to the inner layer sheet side that forms the skin facing surface, thereby preventing the leakage.
  • Patent Document 2 uses a fixing sheet separate from the exterior body as the leakage prevention sheet, and fixes the skin facing surfaces at both longitudinal ends of the absorbent main body. It is described that each sheet is individually coated. The fixing sheet is disposed at both longitudinal end portions of the absorbent main body and the vicinity thereof, and is not disposed at the longitudinal end portion of the exterior body.
  • the leak-proof sheet Since the main purpose of disposing the leak-proof sheet is to prevent leakage from the longitudinal end of the absorbent main body, in order to achieve the purpose, the longitudinal end of the absorbent main body and the vicinity thereof are connected to the leak-proof sheet. Where it is sufficient to cover with the sheet, as described in Patent Document 1, the method of folding the outer layer sheet constituting the exterior body and covering the longitudinal end of the absorbent main body absorbs the absorption in the exterior body. Because the entire area of the portion located longitudinally outward from the longitudinal end of the absorbent main body is covered with the folded outer layer sheet (leakproof sheet), depending on the fixing position of the absorbent main body, the leakproof sheet may be It becomes disadvantageous in terms of manufacturing cost because it becomes larger than necessary.
  • a device such as a conveyor exclusively for folding the outer layer sheet having a length corresponding to the flow direction of the outer layer sheet is required, and the use of such a device is disadvantageous in terms of manufacturing cost. There is a fear.
  • a sheet separate from the exterior body is used as a leak-proof sheet, and the longitudinal end of the absorbent main body and its vicinity (the vertical end of the absorbent main body).
  • a sheet unwinding machine dedicated to the raw material of the leakproof sheet is required. Since a path line dedicated to the raw material of the leak-proof sheet starting from the unwinding machine is required, the equipment cost is increased, and the manufacturing cost may increase.
  • the leak-proof sheet raw material unwound by the unwinding machine includes the one arranged on the one end side in the longitudinal direction and the other arranged on the other end side of the absorbent main body, It is necessary to divide the leaked sheet raw material into two along the unwinding direction with a slitter, and to run a dedicated pass line by applying a predetermined tension to each of the two divided narrow leakproof sheet raw materials.
  • a narrow leak-proof sheet original fabric is pulled for a long distance in a state where a predetermined tension is applied, the original leak-proof sheet fabric may be reduced in width, resulting in a decrease in product quality.
  • the present invention comprises an absorbent main body and an exterior body that is arranged on the non-skin-facing surface side of the absorbent main body and fixes the absorbent main body, and a longitudinal direction corresponding to the front-rear direction of the wearer, and this
  • the ventral side portion of the exterior body has a ventral side portion disposed on the abdomen side of the wearer when worn and a dorsal side portion disposed on the dorsal side in the longitudinal direction.
  • a pair of side seal portions, a waist opening portion, and a pair of leg openings are joined to each other along the longitudinal direction of the exterior body ventral region located at the back and the exterior body back side region located at the back side Is formed, and the skin-facing surfaces at both longitudinal ends of the absorbent main body are individually coated with a separate covering from the exterior body.
  • a raw sheet that cuts a belt-shaped raw sheet in the running direction along the traveling direction, and divides the sheet into an outer body constituting sheet that constitutes the outer body and a covering body constituting sheet that constitutes the outer body A cutting step and a main body bonding step for bonding each sheet cut in the raw sheet cutting step to the absorbent main body.
  • FIG. 1 is a perspective view showing an example of a pants-type disposable diaper that is an embodiment of a pants-type absorbent article manufactured by carrying out the manufacturing method of the present invention.
  • FIG. 2 is a plan view of the diaper shown in FIG. 1 on the skin-facing surface side showing a developed state in which the elastic members of the respective parts are extended to expand in a flat shape.
  • 3 is a cross-sectional view schematically showing a cross section taken along line II (cross section along the vertical direction) of FIG.
  • FIG. 4 is a cross-sectional view schematically showing a cross section taken along the line II-II of FIG. 2 (cross section along the horizontal direction).
  • FIG. 5 is a schematic perspective view of one embodiment (first embodiment) of the method for producing a pant-type absorbent article of the present invention.
  • FIG. 6 is a schematic perspective view of another embodiment (second embodiment) of the method for producing a pant-type absorbent article of the present invention.
  • FIG. 7A and FIG. 7B are plan views schematically showing other embodiments of the original fabric sheet according to the present invention.
  • the present invention relates to a method for producing a pant-type absorbent article that can efficiently and stably produce a pant-type absorbent article in which leakage from the longitudinal end portion of the absorbent main body is effectively prevented.
  • pant-type absorbent article manufactured by carrying out the method for manufacturing a pant-type absorbent article of the present invention will be described with reference to the drawings based on a pant-type disposable diaper which is a preferred embodiment thereof.
  • the pants-type disposable diaper 1 of this embodiment is arranged on the non-skin-facing surface side of the absorbent main body 2 and the absorbent main body 2 to fix the absorbent main body 2 as shown in FIGS.
  • An abdomen side portion A which has a longitudinal direction X corresponding to the front-rear direction of the wearer and a lateral direction Y orthogonal thereto, and is disposed on the abdomen side of the wearer when worn;
  • An exterior body located on the ventral side A of the exterior body 3 having a back side part B disposed on the back side and a crotch part C positioned between them and disposed on the crotch part of the wearer in the longitudinal direction X
  • the side edges 3s and 3s along the longitudinal direction X of the abdominal region (the abdominal sheet member 31 described later) and the exterior body back side region (the back side sheet member 32 described later) positioned in the back side B are joined together.
  • a pair of side seal portions S, S, a waist opening WO, and a pair of leg openings LO, LO are formed.
  • the skin facing surface is a surface directed toward the wearer's skin when worn on the pants-type absorbent article and its constituent members (for example, the absorbent main body), and the non-skin facing surface is the pants-type. It is a surface that is directed to the side opposite to the wearer's skin side (clothing side such as shorts) when worn on the absorbent article and its constituent members.
  • the wearer's front-rear direction is a direction from a portion disposed on the wearer's stomach side to a portion disposed on the back side through a portion disposed between the crotch
  • the longitudinal direction X is an absorbent article.
  • the horizontal direction Y corresponds to the width direction of the absorptive article or the absorptive main body 2 which is the component.
  • the absorbent main body 2 includes a liquid-permeable surface sheet 21 that forms the skin-facing surface of the absorbent main body 2, and a liquid-impermeable or liquid-impermeable back surface that forms the non-skin-facing surface of the absorbent main body 2.
  • the sheet 22 and the liquid-retaining absorbent 23 disposed between the sheets 21 and 22 are included, and are formed in a rectangular shape that is long in the X direction.
  • the absorber 23 is configured to include an aggregate (absorbent core) of a water-absorbing substance, and the outer surface of the aggregate is a liquid-permeable sheet such as paper such as tissue paper, various nonwoven fabrics, and an apertured film. It may be covered.
  • the water-absorbing substance for example, hydrophilic fibers such as wood pulp and hydrophilized synthetic fibers can be used, and if necessary, granular water-absorbing polymers can be used.
  • a pair of three-dimensional gathers 4 and 4 are arranged along the vertical direction X on both sides along the vertical direction X of the skin-facing surface of the absorbent main body 2.
  • Each three-dimensional gather 4 stands up toward the wearer's skin side at least in the crotch C when worn.
  • Each three-dimensional gather 4 includes a liquid-resistant or water-repellent three-dimensional gather forming sheet material 41 and a three-dimensional gather forming elastic member 42 fixed to the sheet material 41.
  • the sheet material 41 is formed from a single belt-like sheet, and one end portion in the lateral direction Y of the sheet material 41 is disposed between the absorbent body 23 and the back sheet 22 of the absorbent main body 2 and adhesive ( The other end of the sheet material 41 in the lateral direction Y is fixed to the outer side of the lateral direction Y by a folding line (not shown) extending in the longitudinal direction X above the absorber 23.
  • the three-dimensional gathers 4 are formed by being folded and fixed between the sheets facing each other by the folding, with the elastic member 42 extending in the longitudinal direction X via an adhesive.
  • the exterior body 3 includes an abdominal sheet member 31 (exterior body ventral region) disposed on the abdomen side of the wearer when worn and a back side sheet member 32 disposed on the back side. It is divided into (exterior body back side region). That is, the pants-type disposable diaper 1 of the present embodiment includes an abdominal sheet member 31 disposed on the wearer's stomach side, a back sheet member 32 disposed on the wearer's back side, And a pair of side seal portions S, S that are joined to each other along the longitudinal direction X of each of the sheet members 31, 32. A waist opening WO and a pair of leg openings LO, LO are formed. In the side seal portion S, the ventral sheet member 31 and the dorsal sheet member 32 are joined by a known joining means such as an adhesive, a heat seal, a high frequency seal, and an ultrasonic seal.
  • a known joining means such as an adhesive, a heat seal, a high frequency seal, and an ultrasonic seal.
  • the ventral sheet member 31 and the dorsal sheet member 32 are respectively an outer layer sheet 35 forming a non-skin facing surface (the outer surface of the diaper 1), an inner layer sheet 36 disposed on the inner surface side of the outer layer sheet 35, 2 and a plurality of thread-like or belt-like elastic members 33 fixed by an adhesive (not shown) between the sheets 35 and 36.
  • the developed state of the diaper 1 as shown in FIG. It has a long rectangular shape in the direction Y.
  • the two sheets 35 and 36 are joined to each other at a predetermined site by an adhesive (not shown).
  • the ventral seat member 31 and the dorsal seat member 32 as shown in FIG.
  • the plurality of elastic members 33 are arranged substantially linearly along the lateral direction Y and extend in the lateral direction Y. Thus, they are arranged at a predetermined interval in the vertical direction X.
  • the outer layer sheet 35 and the inner layer sheet 36 constituting the abdominal sheet member 31 and the back sheet member 32 have the same shape (rectangular shape in plan view) and substantially the same size (size).
  • the skin facing surfaces of both end portions 2A, 2B in the longitudinal direction X of the absorbent main body 2 are the exterior body 3 (the outer layer sheet 35, the inner layer sheet 36). ) are individually covered by separate covering bodies 5 and 6.
  • the covering 5 covers the skin facing surface of the longitudinal end 2 ⁇ / b> A on the abdominal side A of the absorbent body 2, and the covering 6 is the longitudinal end 2 ⁇ / b> B on the back side B of the absorbent body 2.
  • the skin facing surface is covered.
  • the coverings 5 and 6 together with the absorbent main body 2 (surface sheet 21), the three-dimensional gather 4 and the inner layer sheet 36 form part of the skin-facing surface (inner surface) of the diaper 1, and the skin of the wearer Contact with.
  • the coverings 5 and 6 have the same shape (rectangular shape in plan view) and substantially the same size (size).
  • the coverings 5 and 6 each have a rectangular shape that is long in the lateral direction Y in the unfolded state of the diaper 1 as shown in FIG. 2, and are continuous over the entire length of the exterior body 3 in the lateral direction Y.
  • the covering 5 extends outward in the longitudinal direction X from the longitudinal end 2 ⁇ / b> A on the abdominal side A of the absorbent main body 2, and the exterior body 3 (inner layer sheet 36).
  • the covering body 6 extends outward in the longitudinal direction X from the longitudinal end portion 2B on the back side portion B side of the absorbent main body 2, and covers the skin facing surface. It has the extension part 6E which coat
  • Each of the coverings 5 and 6 is hot-melt adhesive to other constituent members of the diaper 1 [absorbent main body 2 (surface sheet 21), three-dimensional gather 4 and exterior body 3 (inner layer sheet 36)]. It is joined partially or entirely by a known adhesive such as an agent.
  • the end portion (vertical outer end along the lateral direction Y of the covering body 5) 5 t on the waist opening WO side of the covering body 5 (extending portion 5 E) is the covering body 5.
  • the skin facing surface of the body outer region 31E located outside the absorbent main body 2 in the longitudinal direction X in the ventral sheet member 31 is partially covered by the covering body 5. It has the part which is exposed without being covered by.
  • the end portion (vertical outer end along the lateral direction Y of the covering body 6) 6t on the waist opening WO side of the covering body 6 (extending portion 6E) is the back side where the covering body 6 is disposed.
  • the seat member 32 (exterior body rear side region) is positioned inward in the vertical direction X from the end portion (vertical outer end along the horizontal direction Y of the back seat member 32) 32t on the waist opening WO side. . That is, the skin facing surface of the body outer region 32 ⁇ / b> E located outside the absorbent body 2 in the longitudinal direction X in the back side seat member 32 is partially covered by the covering body 6. It has the part which is exposed without being covered by.
  • the diaper 1 of the present embodiment includes the coverings 5 and 6 that cover the skin facing surfaces of the longitudinal end portions 2A and 2B of the absorbent main body 2, so that urine from the both end portions 2A and 2B, etc. Leakage of effluent is effectively prevented.
  • the skin facing surfaces of the body outer regions 31E and 32E are only partially covered by the coverings 5 and 6, and the coverings 5 and 6 are absorbent main bodies. Since only the portions necessary for preventing leakage from the two longitudinal end portions 2A and 2B are covered, this is advantageous in terms of manufacturing cost and air permeability.
  • each part of the diaper 1 of this embodiment is set as follows.
  • the dimension (length etc.) of each part shown below is in the state which extended
  • the length (width) L1 (see FIG. 2) in the longitudinal direction X of the coverings 5 and 6 is preferably 15 mm or more, more preferably 20 mm or more, and preferably 50 mm or less, more preferably 45 mm or less, more specifically. Is preferably 15 mm or more and 50 mm or less, more preferably 20 mm or more and 45 mm or less.
  • the separation distance L2 (see FIG. 2) from the longitudinal outer end 32t of the dorsal region) is preferably 5 mm or more, more preferably 8 mm or more, and preferably 30 mm or less, more preferably 20 mm or less, more specifically. Is preferably 5 mm or more and 30 mm or less, more preferably 8 mm or more and 20 mm or less.
  • the material for forming the diaper 1 of this embodiment will be described.
  • any material can be used without particular limitation as long as it is usually used for absorbent articles such as disposable diapers.
  • a hydrophilic and liquid-permeable nonwoven fabric or the like can be used as the top sheet 21, and a liquid-impermeable or liquid-impermeable resin film or a laminate of a resin film and a nonwoven fabric can be used as the back sheet 22.
  • a stretchable film, a nonwoven fabric, a woven fabric, or a laminated sheet thereof can be used.
  • the exterior body forming elastic member 33 and the three-dimensional gather forming elastic member 42 include polyethylene- ⁇ such as natural rubber, polyurethane, polystyrene-polyisoprene copolymer, polystyrene-polybutadiene copolymer, ethyl acrylate-ethylene, and the like.
  • a thread-like or belt-like stretchable material made of an olefin copolymer or the like can be used.
  • a nonwoven fabric such as an air-through nonwoven fabric, a spunlace nonwoven fabric, a spunbond nonwoven fabric, or a melt blown nonwoven fabric can be used.
  • a liquid-impermeable or liquid-impermeable sheet (resin film etc.) can also be used.
  • the basis weights of the outer layer sheet 35, the inner layer sheet 36, and the coverings 5 and 6 are each preferably 10 g / m 2 or more, more preferably 12 g / m 2 or more, and preferably 50 g / m 2 or less.
  • FIG. 5 shows an outline of the first embodiment of the production method of the present invention.
  • the manufacturing method of the first embodiment is provided with a cut along a traveling direction MD (Machine ⁇ Direction) in one strip-shaped original fabric sheet 10 ⁇ / b> A that is traveling, and the exterior body 3 (ventral side)
  • MD Machine ⁇ Direction
  • the sheet member 31 and the back sheet member 32) are relatively wide (the length in the width direction CD is relatively long).
  • the original sheet cutting process for dividing the sheet into a strip-shaped covering member constituting sheet 12 having a relatively narrow width (relatively short in the width direction CD), and the original sheet cutting process.
  • a main body joining step for joining the sheets 11 and 12 to the absorbent main body 2.
  • the exterior body constituent sheet according to the present invention is the same as the first embodiment in that all of the sheets (the outer layer sheet 35 and the inner layer sheet 36) constituting the exterior body 3 (the abdomen side sheet member 31 and the back side sheet member 32). Or a part of the sheet constituting the exterior body 3 (only one of the sheets 35 and 36) may be included as in the second embodiment described later. .
  • a single belt-shaped original fabric sheet 10A is continuously unwound from an original fabric roll (not shown) by an unwinding machine (not shown). And travel in a predetermined direction (indicated by reference sign MD in FIG. 5), and using a known cutting means (not shown) such as a slitter, the cut sheet is cut along the traveling direction MD in the traveling original fabric sheet 10A.
  • the outer body constituting sheet 11 and the covering body constituting sheet 12 are separated.
  • the single sheet 10A including both the sheets 11 and 12 is used without using the sheet 12 separate from the sheet 11. Therefore, inconvenience when using a sheet 12 that is separate from the sheet 11 described above (an increase in manufacturing cost due to increased equipment costs, and a decrease in product quality due to a shrinkage of the width of the separate sheet 12) Etc.) can be effectively prevented, and the pants type absorbent article in which leakage from the longitudinal end portions 2A and 2B of the absorbent main body 2 is effectively prevented by the coverings 5 and 6 is efficient. Good and stable production is possible.
  • the belt-shaped exterior body constituting sheet 11 cut in the raw fabric sheet cutting step is the same as the belt-shaped stomach side member 11A constituting the ventral sheet member 31 (exterior body ventral region) and the back.
  • a belt-like dorsal side member 11B constituting the side sheet member 32 (exterior body rear side region), and the abdominal side member 11A and the dorsal side member 11B are orthogonal to the traveling direction MD of the seat 11. It is continuous in the width direction CD (Cross machine Direction). Therefore, before the main body joining step, the strip-shaped exterior body constituent sheet 11 (a strip-shaped composite sheet 13 described later) is replaced with a strip-shaped ventral side member 11A (belt-side sheet member) in an exterior body constituent sheet cutting step described later. 31) and the belt-like dorsal member 11B.
  • the abdomen side member 11A and the back side member 11B constituting the exterior body constituting sheet 11 constitute the exterior body 3 (the abdominal side sheet member 31 and the back side sheet member 32), respectively.
  • the exterior body constituting sheet 11 is bent along a folding line along its traveling direction, and both the sheets 35 and 36 are overlapped.
  • the belt-like exterior body structure cut in the original fabric sheet cutting step before folding the exterior body constituting sheet 11 with a folding line along its running direction, as shown in FIG. 5, the belt-like exterior body structure cut in the original fabric sheet cutting step.
  • a plurality of the exterior body forming elastic members 33 are arranged in an extended state in which the elastic members 33 are extended at a predetermined extension rate.
  • a hot-melt adhesive is applied to each elastic member 33 or a portion where the elastic member 33 is to be arranged on one surface of the exterior body constituting sheet 11 (a central portion of the sheet 11 in the width direction CD) by an adhesive application unit (not shown).
  • the elastic member 33 is fixed in an expanded state on one surface of the exterior body constituting sheet 11 by the adhesive.
  • the application pattern of the adhesive for fixing the elastic member 33 on one surface of the exterior body constituting sheet 11 is not particularly limited.
  • the exterior body 3 has the following configurations 1 to 3
  • the exterior body On one surface of the component sheet 11 (adhesive application surface), a portion corresponding to the “joining portion” of the following configuration 1 and a portion corresponding to the end portion in the length direction of the elastic member 33 (formation portion of the side seal portion S) Then, an adhesive is selectively applied.
  • Configuration 1 The outer layer sheet 35 and the inner layer sheet 36 are joined to each other by intermittent “joining portions” in the expansion / contraction direction (horizontal direction Y) of the exterior body 3 (elastic member 33) and the direction orthogonal to the direction (vertical direction X).
  • Configuration 2 The plurality of elastic members 33 are arranged so as not to pass through the “joining portion” of the configuration 1, and in a portion excluding both end portions (side seal portions S) in the length direction. It is not fixed to the outer layer sheet 35 and the inner layer sheet 36.
  • Configuration 3 The outer layer sheet 35 and the inner layer sheet 36 each form a plurality of ridges that continuously extend over the plurality of elastic members 33 in the natural state of the exterior body 3.
  • the strip-shaped exterior body constituting sheet 11 cut in the original fabric sheet cutting step is maintained in the traveling direction MD while maintaining the state in which the plurality of elastic members 33 are arranged. Bend along the folding line 11L (bending process).
  • the both side edges 11s, 11s along the traveling direction MD of the exterior body constituting sheet 11 are folded so as to coincide with the virtual center straight line CL that bisects the sheet 11 in the width direction, and thus folded.
  • a plurality of elastic members 33 are interposed between the two opposing sheets 11, 11.
  • extension state between the two sheets 11 and 11 is obtained.
  • the strip-shaped composite sheet 13 includes a strip-shaped ventral sheet member 31 (exterior body ventral region) and a strip-shaped dorsal sheet member 32 (exterior body backside region). Continuing on CD.
  • the strip-shaped composite sheet 13 thus obtained may be subjected to a cutting process (non-stretching process) of the elastic member 33.
  • the cutting process of the elastic member 33 is, for example, the arrangement of the absorbent main body 2 in the composite sheet 13 using a known elastic member cutting means (not shown) such as a cut roll and an anvil roll formed with a plurality of convex portions. It can be carried out by pressing the elastic member 33 arranged in the composite sheet 13 located in the region and dividing it into a plurality of pieces so that the contraction function of the elastic member 33 is not expressed.
  • the band-shaped composite sheet 13 (folded exterior body constituting sheet 11) is cut along a running direction MD using a known cutting means (not shown) such as a slitter.
  • a known cutting means such as a slitter.
  • both the separated members 31 are separated.
  • 32 is widened to coincide with the distance between both members 31, 32 in the diaper 1, which is the manufacturing object, and both members 31, 32 are caused to travel in the same traveling direction MD with the space being widened.
  • the main body joining step is introduced.
  • the belt-like covering-constituting sheet 12 cut in the raw sheet cutting step is a belt-like shape arranged on one end side in the longitudinal direction of the absorbent main body 2 (on the longitudinal end portion 2A side on the ventral side A side).
  • Cover 5 one-end-side member
  • a belt-like cover 6 other-end-side member disposed on the other end side (vertical end 2B side on the back side B side). Since it is continuous in the width direction CD, the sheet 12 is cut into both coverings 5 and 6 before the main body joining step. More specifically, as shown in FIG.
  • the travel direction MD is applied to the belt-shaped covering-constituting sheet 12 cut in the raw sheet cutting process by using a known cutting means (not shown) such as a slitter.
  • a cut is made along the belt and cut into a belt-like covering body 5 and a belt-like covering body 6 (covering member-forming sheet cutting step), and the interval between the cut-off covering bodies 5 and 6 is further processed (adhesive)
  • the coverings 5 and 6 are caused to travel in the same traveling direction MD while the distance is widened.
  • an adhesive is applied to the strip-shaped covering-constituting sheet 12 cut in the raw sheet cutting step (adhesive applying step). More specifically, as shown in FIG. 5, one surface of each of the belt-shaped coverings 5 and 6 cut from the belt-shaped covering member-constituting sheet 12 (the surface facing the abdominal sheet member 31 or the back sheet member 32). Then, an adhesive such as a hot melt adhesive is applied to the surface).
  • the adhesive application pattern is not particularly limited, and is continuously applied to the traveling direction MD of the belt-shaped coverings 5 and 6, that is, even if the belt-shaped adhesive application region is continuous in the traveling direction MD.
  • the adhesive may be applied intermittently with respect to the traveling direction MD, that is, a coating pattern in which a plurality of adhesive application areas are arranged at predetermined intervals in the traveling direction MD. Further, in the adhesive application area in these application patterns, the adhesive may be applied to the entire area of the adhesive application area (so-called solid coating), or the adhesive may be applied discretely. .
  • the latter discrete application of the adhesive can be performed by using, for example, a spray type application means as the adhesive application means 50.
  • both side edges along the longitudinal direction X of the coverings 5 and 6 and other components of the diaper 1 facing the side edges [ Since the adhesive is not applied between the outer body 3 (inner layer sheet 36)], that is, the portion corresponding to the pair of side seal portions S, S, in the manufacturing method of this embodiment correspondingly,
  • an adhesive is intermittently applied to one surface of each of the belt-like coverings 5 and 6 using the adhesive application means 50 in the running direction MD.
  • the region where the adhesive is not applied is used to form the side seal portion S in the subsequent process. Used.
  • the belt-like covering 5 (one-end-side member) and the belt-like covering 6 (other-end-side member) to which the adhesive has been applied in this way are respectively provided with the belt-like belly-side sheet member 31 (belly-side). Together with the side member 11A) and the belt-like back side sheet member 32 (back side member 11B), it is introduced into the main body joining step. Prior to carrying out the main body joining step, predetermined portions in both the sheet members 31 and 32 (a portion where the absorbent main body 2 is joined, an overlapping portion of the peripheral portion of the absorbent main body 2 with the covering 5 or 6, etc.) If necessary, an adhesive may be applied using the adhesive application means 51.
  • each sheet cut in the raw sheet cutting step is bonded to the absorbent main body 2 separately manufactured according to a conventional method. More specifically, as shown in FIG. 5, with respect to the belt-like ventral sheet member 31 and the belt-like backside sheet member 32 that travel in the traveling direction MD in a state of being parallel to each other with a predetermined interval in the width direction CD.
  • the plurality of absorbent main bodies 2 are intermittently supplied so as to bridge both the sheet members 31 and 32, and travel in the same traveling direction MD in a state parallel to each other with a predetermined interval in the width direction CD.
  • the coverings 5 and 6 are supplied from above the absorbent main body 2, and the longitudinal direction (width direction CD) of the absorbent main body 2 between the sheet member 31 and the covering body 5 and between the sheet member 32 and the covering body 6. Fix both ends of. In this way, a continuous diaper continuous body (absorbent article continuous body) 14 is obtained.
  • the belt-like diaper continuous body 14 is folded in two in the width direction CD, and the two-folded belt-like diaper continuous body 14 of the ventral side sheet member 31 and the back side sheet member 32 is A plurality of joining portions 15 are arranged at predetermined intervals in the traveling direction MD by using known joining means such as an adhesive, heat embossing means, ultrasonic processing means, etc., at the site where the side seal portion S is to be formed in the laminate 37.
  • a plurality of diapers 1 are continuously obtained by cutting the folded diaper continuous body 14 folded in half at each joint 15. The cut end portion of the laminate 37 formed by such cutting becomes the side seal portion S of each diaper 1.
  • belt-shaped diaper continuous body 14 is not restrict
  • the form which forms one linear joining part 15, such as a shape, or the form which forms this linear joining part 15 in multiple numbers (two) at predetermined intervals in running direction MD is mentioned.
  • the diaper continuous body 14 is usually cut at the one linear joined portion 15 in the subsequent cutting process of the diaper continuous body 14.
  • the cut end portion (side seal portion S) basically consists only of the joining region between the ventral seat member 31 and the back seat member 32.
  • the cut end portion may not include the joining region of both the sheet members 31 and 32.
  • FIG. 6 shows an outline of the second embodiment of the method for producing the pant-type absorbent article of the present invention.
  • a 2nd embodiment a different component from the manufacturing method of the 1st embodiment mentioned above is mainly demonstrated, the same code
  • the description of the manufacturing method of the first embodiment is appropriately applied to components that are not particularly described.
  • the first embodiment and the second embodiment are different in the length in the width direction CD of the original sheet to be used, and due to the difference in the size of the original sheet, there are some differences in the process. .
  • the raw fabric sheet 10A used in the first embodiment is that all of the sheets constituting the exterior body 3 (abdominal side sheet member 31 and back side sheet member 32), that is, the outer layer sheet 35 and the inner layer sheet 36, are used.
  • the raw fabric sheet 10B used in the second embodiment includes only a part of the sheet (outer layer sheet 35) constituting the outer package 3 for the outer package 3, The remaining portion (inner layer sheet 36) is not included. Therefore, the original fabric sheet 10B has a shorter length in the width direction CD than the original fabric sheet 10A.
  • this remaining portion (exterior body) 3), which is not included in the original sheet 10B, that is, a belt-shaped inner layer sheet 36 is used. More specifically, in the second embodiment, before the exterior body constituting sheet cutting step, the exterior body constituting sheet 11 (the original fabric among the sheets constituting the exterior body 3) cut in the original fabric sheet cutting step. There is a step of supplying another sheet (inner layer sheet 36) corresponding to the remaining part of the sheet constituting the outer package 3 on the sheet) included in the sheet 10B.
  • a known cutting means such as a slitter is used to move the original fabric sheet 10B along the traveling direction MD. A cut is made, and the outer body constituting sheet 11 and the covering body constituting sheet 12 are separated.
  • the abdomen side member 11A and the back side member 11B constituting the exterior body constituting sheet 11 are respectively seats constituting the exterior body 3 (the abdominal side sheet member 31 and the back side sheet member 32). Only a part (outer layer sheet 35) is included, and the other part (inner layer sheet 36) is not included.
  • the exterior body forming elastic member 33 is formed at a predetermined elongation rate on one surface of the belt-shaped exterior body constituting sheet 11 (outer layer sheet 35) cut in the raw sheet cutting process.
  • a plurality of elastic members 33 are arranged in an extended state, and a belt-like inner layer sheet 36 is supplied from above the plurality of elastic members 33, and the plurality of elastic members 33 are sandwiched between the sheets 11 (35) and 36.
  • At least one of these members 11 (35), 33, and 36 is preliminarily coated with an adhesive such as a hot-melt adhesive by an adhesive application means (not shown). Is fixed in an extended state between the sheets 11 (35) and 36 by the adhesive.
  • a strip-shaped composite sheet 13 is obtained in which a plurality of elastic members 33 are fixed in an expanded state between the two sheets 11 (35) and 36. Then, if necessary, the band-shaped composite sheet 13 is subjected to a cut process (non-stretching process) of the elastic member 33.
  • a band-shaped composite sheet 13 (exterior body constituting sheet 11) is cut along a running direction MD using a known cutting means (not shown) such as a slitter,
  • the gap between the separated members 31 and 32 is a manufacturing object, while separating the stomach member 31 (abdominal member 11A) and the belt-like dorsal sheet member 32 (back member 11B). It expands so that it may correspond to the space
  • the handling of the covering-constituting sheet 12 cut in the raw sheet cutting step and the main body bonding step are the same as those in the first embodiment.
  • FIG. 7 shows another embodiment of the raw sheet according to the present invention.
  • the one end part of the width direction CD contains the coating
  • the both end portions in the width direction CD are respectively composed of the covering 5 (member for one end portion of the covering member constituting sheet 12) or the covering member 6 (member for the other end portion of the covering member forming sheet 12), and the rest.
  • the portion (the central portion in the width direction CD) is the exterior body constituting sheet 11 (11A, 11B).
  • the abdomen side member 11A and the back side member 11B in the raw fabric sheet 10C are all the sheets (the outer layer sheet 35 and the inner layer sheet 36) constituting the exterior body 3 (the abdomen side sheet member 31 and the back side sheet member 32), respectively. Both of them may be included, or only a part of the sheet constituting the exterior body 3 (the outer layer sheet 35 or the inner layer sheet 36) may be included.
  • the manufacturing method of the first embodiment In the latter case, it can be used in the manufacturing method of the second embodiment (see FIG. 6).
  • both end portions in the width direction CD are cut as the covering member constituting sheet 12 and the central portion in the width direction CD is cut as the outer covering member forming sheet 11.
  • the order of cutting may be cut at both ends at the same time, or may be cut at one side, or after cutting at the center line in the width direction CD of the original fabric sheet 10C, each end is covered with a covering-constituting sheet. 12 may be cut and separated from the exterior body constituting sheet 11.
  • the covering-constituting sheets 12 constituting a part of the covering sheets 5D (one end side member) and the covering body 6 (other end side side) Only one of the members) and not the other. Therefore, in order to use these original fabric sheets 10D and 10E for the manufacture of the diaper 1, the combined use of both sheets 10D and 10E is essential.
  • the abdomen member 11A and the dorsal member 11B in each of the original fabric sheets 10D and 10E are respectively composed of two sheets 35, constituting the exterior body 3 (the abdomen sheet member 31 and the dorsal sheet member 32). Only one of 36 is included.
  • the raw fabric sheet 10B used in the second embodiment of the manufacturing method of the present invention includes only the outer layer sheet 35 as a part of the sheet constituting the exterior body 3, and does not include the inner layer sheet 36.
  • the inner layer sheet 36 may be included and the outer layer sheet 35 may not be included.
  • a belt-shaped outer layer sheet 35 is used in addition to the original fabric sheet 10B.
  • the raw sheet cutting step according to the present invention is a step of cutting one strip-shaped original fabric sheet into an exterior body constituting sheet and a covering body constituting sheet along its running direction.
  • the number of each of the exterior body constituting sheet and the covering body constituting sheet to be cut in the cutting step is not particularly limited.
  • one strip-shaped original fabric sheet is converted into one strip-shaped exterior body constituting sheet 11 and one strip-shaped covering body constituting sheet 12.
  • each of the divided sheets 11 and 12 was further divided into two sheets. Instead of this, one belt-shaped original sheet was used in the original sheet cutting process. Can be divided into the required number of coverings and exteriors at a time.
  • the belt-like belly side sheet member 31 (belt side member 11A) and the belt-like back side sheet member 32 are formed.
  • the exterior body constituting sheet 11 is carved into both sheet members 31 and 32, and then the exterior body constituting sheet 11 is folded along the running direction MD. It may be bent at
  • the exterior is located in the abdominal side of the exterior body, and has an abdominal side disposed on the abdomen side of the wearer and a dorsal side disposed on the back side in the longitudinal direction.
  • a pair of side seal portions, a waist opening portion, and a pair of leg openings are formed by joining the side edges along the vertical direction of the body abdominal region and the exterior body back side region located on the back side portion.
  • the manufacturing method of the underpants type absorptive article by which the skin opposing surface of the longitudinal direction both ends of the absorptive main part is individually covered by the covering body separate from the exterior body, respectively.
  • the covering-constituting sheet includes a member for one end side arranged on the one end side in the longitudinal direction of the absorbent main body and a member for the other end side arranged on the other end side, Prior to the main body bonding step, the covering member that cuts the covering member forming sheet cut in the raw sheet cutting step into the one end side member and the other end side member along the traveling direction thereof.
  • the manufacturing method of the underpants type absorbent article as described in said ⁇ 1> which has a structure sheet cutting process.
  • the exterior body constituting sheet includes a ventral side member constituting the exterior body ventral region and a back side member constituting the exterior body back side region, Before the main body joining step, the outer body constituting sheet cut by dividing the outer body constituting sheet cut in the raw fabric sheet cutting step into the abdominal member and the back member along the running direction.
  • the underpants type according to ⁇ 3> further comprising a folding step of bending the exterior body constituent sheet cut in the raw fabric sheet cutting step along a folding line along the traveling direction before the exterior body constituent sheet cutting step. Manufacturing method of absorbent article.
  • a plurality of elastic members are arranged on one surface of the belt-shaped exterior body constituting sheet cut in the raw sheet cutting step in an extended state in which the elastic member is extended to a predetermined extension rate.
  • the original fabric sheet includes only a part of the sheet constituting the exterior body for the exterior body, and does not include the remaining part of the sheet, ⁇ 3 which has the process of supplying another sheet
  • ⁇ 8> The method for manufacturing a pant-type absorbent article according to any one of ⁇ 1> to ⁇ 7>, wherein the exterior body constituting sheet includes all of the sheets constituting the exterior body.
  • the belt-shaped exterior body constituting sheet cut in the raw sheet cutting step includes a belt-shaped belly side member and a back side sheet member (the exterior body back) constituting a ventral sheet member (the exterior body ventral region).
  • the abdominal member and the dorsal member are continuous in the width direction perpendicular to the traveling direction of the seat.
  • an adhesive application step of applying an adhesive to the covering-constituting sheet cut in the raw sheet cutting step In the adhesive application step, the pants-type absorbent article according to any one of ⁇ 1> to ⁇ 9>, wherein the adhesive is intermittently applied to the belt-shaped covering-constituting sheet in the traveling direction.
  • Production method. ⁇ 11> The end of the covering body on the waist opening side is more in the longitudinal direction than the end on the waist opening side of the exterior body ventral region or the exterior body rear side region where the covering body is disposed.
  • the length in the longitudinal direction of the covering is preferably 15 mm or more, more preferably 20 mm or more, and preferably 50 mm or less, more preferably 45 mm or less, more specifically, preferably 15 mm or more and 50 mm or less, more preferably.
  • the separation distance from the longitudinal outer edge of the region) is preferably 5 mm or more, more preferably 8 mm or more, and preferably 30 mm or less, more preferably 20 mm or less, more specifically, preferably 5 mm or more and 30 mm or less.
  • ⁇ 14> As the outer layer sheet and inner layer sheet that form the exterior body ventral region (ventral side sheet member) and the exterior body back side region (back side sheet member), and the covering, respectively, an air-through nonwoven fabric, a spunlace nonwoven fabric,
  • the basis weights of the outer layer sheet, the inner layer sheet, and the covering body that form the exterior body ventral region (belt side sheet member) and the exterior body back side region (back side sheet member) are preferably 10 g / m 2. Or more, more preferably 12 g / m 2 or more, and preferably 50 g / m 2 or less, more preferably 25 g / m 2 or less, more specifically, preferably 10 g / m 2 or more and 50 g / m 2 or less, further The method for producing a pant-type absorbent article according to any one of the above items ⁇ 1> to ⁇ 14>, which is preferably 12 g / m 2 or more and 25 g / m 2 or less.
  • a belt-like abdominal sheet member (a belt-like member for the belly side constituting the exterior body belly side region) running in the running direction MD in a state parallel to each other with a predetermined interval in the width direction CD;
  • a plurality of the absorbent main bodies are intermittently supplied to a belt-like back sheet member (a belt-like back member constituting the exterior body back side region) so as to bridge both the sheet members, and the width
  • a belt-like covering that travels in the same traveling direction MD in a state parallel to each other at a predetermined interval in the direction CD is supplied from above the absorbent main body, and between the ventral sheet member and the covering and
  • the method for producing a pant-type absorbent article according to any one of ⁇ 1> to ⁇ 15>, wherein both longitudinal ends of the absorbent main body are fixed between the back sheet member and the covering.
  • the strip-shaped absorbent article continuum obtained in the main body joining step is folded in half in the width direction CD, and the ventral sheet member (the exterior body ventral region of the folded strip-shaped absorbent article continuum). And a plurality of joint portions are formed at predetermined intervals in the running direction MD in a laminate of the abdominal side member) and the back sheet member (the back side member constituting the exterior body back side region).
  • a plurality of the pant-type absorbent articles are obtained continuously by cutting the folded strip-shaped absorbent article continuous body at each joint, and the laminate formed by such cutting is cut.
  • ⁇ 18> In the original fabric sheet cutting step, ⁇ 1> to ⁇ 1> in which the original fabric sheet is divided into both end portions in the width direction CD as the covering body constituting sheet and the central portion in the width direction CD as the exterior body constituting sheet. 17> (Aforementioned ⁇ 1> and ⁇ 3> to ⁇ 17>) The method for producing a pants-type absorbent article according to any one of the above. ⁇ 19> The covering sheet (the member for one end portion side) and the absorbent main body in which the covering constituent sheet constituting a part of the original fabric sheet is arranged on the abdominal side of the absorbent main body.
  • the manufacturing method of the underpants type absorbent article which can manufacture the underpants type absorbent article in which the leak from the longitudinal direction edge part of an absorptive main body was prevented effectively efficiently stably at low cost.

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

Abstract

L'invention concerne un procédé de fabrication d'articles absorbants de type culotte comportant un corps absorbant principal (2) et un revêtement externe (3) recouvrant le côté du corps absorbant principal (2) qui ne touche pas la peau, chacune des faces touchant la peau au niveau des deux extrémités du corps absorbant principal (2) dans le sens longitudinal étant individuellement recouvertes par des protections (5, 6) qui sont distinctes du revêtement externe (3). Le procédé de fabrication d'articles absorbants de type culotte comprend : un processus de découpe de pièce de matière première textile consistant à réaliser des découpes dans une pièce de matière première textile de type bande unique (10A) qui se déplace, les découpes étant faites dans le sens longitudinal (MD), afin de découper une pièce constituant le revêtement externe (11) et une pièce constituant les protections (12) ; et un processus de collage au corps principal consistant à coller chacune de ces pièces (11, 12), qui ont été découpées dans le processus de découpe de pièce de matière première textile, à des corps principaux absorbants (2).
PCT/JP2013/083047 2012-12-20 2013-12-10 Procédé de fabrication d'articles absorbants de type culotte WO2014097928A1 (fr)

Priority Applications (1)

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CN201380066445.3A CN104869959B (zh) 2012-12-20 2013-12-10 短裤型吸收性物品的制造方法

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JP2012-277903 2012-12-20
JP2012277903A JP5616952B2 (ja) 2012-12-20 2012-12-20 パンツ型吸収性物品の製造方法

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JP6314069B2 (ja) * 2014-09-30 2018-04-18 花王株式会社 吸収性物品の製造方法
JP6406991B2 (ja) * 2014-11-28 2018-10-17 ユニ・チャーム株式会社 吸収性物品
JP6825046B2 (ja) * 2019-06-20 2021-02-03 ユニ・チャーム株式会社 吸収性物品の製造方法

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JP5346274B2 (ja) * 2009-12-25 2013-11-20 ユニ・チャーム株式会社 着用物品
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US20110168326A1 (en) * 2004-05-21 2011-07-14 Curt G. Joa, Inc. Method of producing a pants-type diaper
JP2011101813A (ja) * 2004-08-05 2011-05-26 Procter & Gamble Co 使い捨てプルオン衣類
JP2010051667A (ja) * 2008-08-29 2010-03-11 Daio Paper Corp 使い捨ておむつの製造方法、及び使い捨ておむつ
JP2010240112A (ja) * 2009-04-03 2010-10-28 Uni Charm Corp シートの製造方法、吸収性物品に係る資材の製造方法、及びシートの製造装置

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US11648154B2 (en) * 2019-05-31 2023-05-16 Zuiko Corporation Method for manufacturing worn article

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JP2014121360A (ja) 2014-07-03
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CN104869959A (zh) 2015-08-26

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