WO2004054490A1 - 使い捨て着用物品の製造方法 - Google Patents
使い捨て着用物品の製造方法 Download PDFInfo
- Publication number
- WO2004054490A1 WO2004054490A1 PCT/JP2002/013205 JP0213205W WO2004054490A1 WO 2004054490 A1 WO2004054490 A1 WO 2004054490A1 JP 0213205 W JP0213205 W JP 0213205W WO 2004054490 A1 WO2004054490 A1 WO 2004054490A1
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- WO
- WIPO (PCT)
- Prior art keywords
- belt material
- elastic belt
- elastic
- absorber
- manufacturing
- 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
- A61F13/15804—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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
- A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
-
- 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
- A61F13/15723—Partitioning batts; Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49014—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
-
- 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
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
- A61F2013/49025—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material having multiple elastic strands
- A61F2013/49028—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material having multiple elastic strands with different tensile stress
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1043—Subsequent to assembly
- Y10T156/1049—Folding only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
- Y10T156/1057—Subsequent to assembly of laminae
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
- Y10T156/1077—Applying plural cut laminae to single face of additional lamina
Definitions
- the present invention relates to a method for continuously manufacturing disposable wearing articles such as disposable pants.
- Examples of disposable pants-type body fluid-absorbing wearing articles include infant-type pants-type diapers, training pants, incontinence pants, and the like. There is one disclosed in Japanese Patent Application Laid-Open No. 2-111304.
- What is demanded as a method for manufacturing disposable wearing articles is to minimize the trim (loss portion) generated by cutting webs (sheet-like base materials such as nonwoven fabrics) in the manufacturing process. Thereby, the manufacturing cost of the wearing article can be reduced.
- Another object of the present invention is to ensure that when the manufactured disposable wearing article is worn, the tension (shrinkage force) of the elastic members adhered to the sheet material covering the front part and the back part does not differ. This makes it difficult for the front portion and the back portion to be squeezed, so that the appearance can be improved and the commercial value of the worn article can be improved.
- the present invention has been made in order to meet the above-mentioned demands, and has as its object to provide a method of manufacturing a disposable wearing article capable of lowering manufacturing costs and improving commercial value. Disclosure of the invention
- the manufacturing method of the present invention includes a step of manufacturing an elastic belt material by sandwiching an elastic member in a longitudinal direction between two webs in an elongated state, Dividing the flexible belt material into two in the width direction so that the convex portions and the concave portions alternately appear;
- An object of the present invention is to provide a method for manufacturing a disposable wearing article, which comprises a step of mounting an absorber over a portion where the contraction force between the first elastic belt material and the second elastic belt material is reduced.
- the elastic belt material is divided into two in the width direction, the divided first elastic belt material and the second elastic belt material are separated in the width direction, and the phases are shifted in the length direction.
- the absorber is attached across the first elastic belt material and the second elastic belt material, so that trim (loss portion) does not occur even if the web is cut in the manufacturing process.
- the web may be slightly cut in order to design the first elastic belt material and the second elastic belt material. In this case, a slight trim (loss portion) occurs.
- the front and back parts are covered when the manufactured disposable wearing article is worn by dividing the manufactured elastic belt material into two parts by sandwiching the elastic member with the same tension between two webs.
- the tension (shrinkage force) of the elastic members bonded to the sheet material does not differ.
- a force is applied so that the convex portions and the concave portions appear alternately.
- the belt material is shifted in the longitudinal direction so that the convex portions and the concave portions have the same phase, and separated in the width direction, so that the absorber is made of the first elastic belt material and the second elastic belt material. It can be mounted over both convex parts.
- a part of the absorber can be covered by the biconvex portions of the first elastic belt material and the second elastic belt material. Further, by mounting the absorber over a portion of the first elastic belt material and the second elastic belt material near the convex portion where the contraction force is reduced, the contraction force does not act on the absorber.
- Another manufacturing method includes a step of manufacturing an elastic belt material by sandwiching an elastic member in a stretched state in a length direction of the web between two webs,
- the elastic member may be a body-fitting elastic member, and may include a step of bonding the waist elastic member to the elastic belt material in an elongated state.
- the elastic member is a body-fit elastic member and a ledge elastic member, and includes a step of bonding the elastic member for west to the elastic belt member in an extended state. Can be.
- the first elastic belt material and the second elastic belt material are overlapped by bending the absorber, and both sides of the first elastic belt material and the second elastic belt material are formed. Can be included.
- rising flaps are provided on both sides of the absorber.
- the rising flap is It is preferable that the front side is formed so as to face inward and the back side is formed so as to face outward.
- dents are formed on both sides of the absorber, and the leg elastic member is adhered in an extended state along the dents.
- Figure 1 is a system diagram of the manufacturing process for disposable pants.
- FIG. 2 is a plan view showing a manufacturing state of Steps 1 to 4.
- FIG. 3 is a plan view of a manufacturing state in steps 5 to 9.
- FIG. 4 is a plan view of a manufacturing state in steps 10 to 15.
- FIG. 5 is an exploded perspective view of the disposable pants.
- FIG. 6 are cross-sectional views of a main part of a manufacturing state in steps 1 to 4.
- FIG. 7 are cross-sectional views of a main part of a manufacturing state in steps 5 to 9.
- (A) to (c) of FIG. 8 are cross-sectional views of a main part of a manufacturing state in steps 10 to 15.
- FIG. 9 shows the disposable pants according to the first embodiment, in which (a) is a plan view in an expanded state, and (b) is a side sectional view.
- FIG. 10 shows a disposable pants according to the second embodiment, in which (a) is a plan view of a first elastic belt material and a second elastic belt material in Step 3, and (b) is a plan view of an unfolded state.
- FIG. 11 shows a disposable pants according to the third embodiment, in which (a) is a plan view of an absorbent body, and (b) is a plan view of an expanded state.
- FIG. 12 is a disposable pants according to a fourth embodiment, in which (a) is a plan view of a first elastic belt material and a second elastic belt material in Step 3, and (b) is a plan view of an unfolded state.
- FIG. 13 are schematic plan views of the disposable pants according to the first to fourth embodiments.
- FIG. 14 (a) is a perspective view of the disposable pants, and (b) is the S-force of the elastic belt material.
- FIG. 2 is a plan view showing the gist of the present invention.
- FIGS. 13 (a) to 13 (d) are plan views of the pants-type disposable wearing article (hereinafter referred to as disposable pants) 1A to 1D in a developed state, respectively.
- Absorber 2 is attached across part (first elastic belt material) P and back part (second elastic belt material) Q, and as shown in FIG. 14 (a), front part P and back part Q
- the absorber 2 is folded and overlapped, and the side portions 1a of the front portion P and the back portion Q are side-sealed, thereby forming a pants type.
- the crotch portion R is formed by the absorber 2, and the leg openings S are formed on both sides of the absorber 2.
- the elastic belt material 12 is cut in two in the width direction along the cutting line b so that the convex portions 12a and the concave portions 12b appear alternately.
- the belt material 12B is cut with a cutting line a to produce a front part P and a back part Q, and the width is shifted in the length direction so that the convex part 12a and the concave part 12b have the same phase, and the width is changed.
- the absorber 2 is attached in such a manner as to be separated in the direction, and straddle the two convex portions 12a.
- the disposable pants ID shown in FIG. 13 (d) is one in which the absorber 2 is attached across the convex portion 12a and the concave portion 12b, separated in the width direction without shifting the phase. Then, the disposable pants 1A of the first embodiment shown in FIG. 13 (a) are formed by bonding the waist elastic member 3 and the body fitting elastic member 4 to the front part P and the back part Q to form the convex part 12a. The absorbent body 2 is attached over a part 12c where the contraction force of the body-fitting elastic member 4 near the is reduced. In the disposable pants 1B of the second embodiment shown in FIG. 13 (b), the elastic member for waist 3, the elastic member for body fitting 4, and the elastic member for around the ledger 5 are bonded to the front part P and the back part Q. Then, the absorber 2 is attached to a portion 12c where the contraction force of the elastic member 5 for body fitting and the elastic member 5 for turning around the protruding portion 12a is reduced.
- the disposable pants 1C of the third embodiment shown in FIG. 13 (c) is a disposable pants 1B shown in FIG. 13 (b) in which elastic members 6 for the redder are adhered to both sides of the absorber 2 of FIG. 3 (d) of the disposable pants 1D of the fourth embodiment, the waist elastic member 3 and the body fitting elastic member 4 are bonded to the front part P and the back part Q, and the convex part 12a is formed.
- the absorber 2 is attached to a portion 12c of the body-fitting elastic member 4 near the concave portion 12b where the contraction force of the elastic member 4 is reduced.
- Steps 1 to 4 are steps for manufacturing the first elastic belt material 12A and the second elastic belt material 12B in a lateral flow state.
- the front part P side is provided between the non-woven outer web 10 and the non-woven inner web 11 which are continuously fed in the length direction A.
- the elastic belt member 12 is manufactured by sandwiching the elastic member 4 for body fitting on the back part Q side in the longitudinal direction A in an extended state (see FIGS. 6 (a) to 6 (c)).
- At least one of the webs 10 and 11 is coated with, for example, a hot melt adhesive, and the two webs 10 and 11 are bonded together with the body-fitting elastic member 4 sandwiched therebetween.
- Polyurethane, natural rubber, thermoplastic resin, etc. can be used as the material of the elastic member 4 for body fitting, and the shape can be used in the form of a thread, a lipon, or the like. Is also good.
- the hot melt adhesive may not be necessary if the material itself has a function of bonding the webs 10 and 11. Note that each of the conductive members 3, 5 to 7 has the same material and shape.
- the elastic belt material 12 is made of the first flexible belt material 1 2 so that the convex portions (flap around the ledger) 12 a and the concave portions 12 b alternately appear in step 3 described below.
- a and the second elastic belt material 1 2 B are cut in two in the width direction W, but in step 2 before that, the first elastic belt material 12 A and the second elastic belt material 1 2 A process for reducing the contraction force of the body-fitting elastic member 4 near the convex portion 12a of B is performed to form a portion 12c having a reduced contraction force.
- Examples of the processing for reducing the shrinkage force include a method of melting the body-fitting flexible member 4 using an embossed hole (heat embossing) (see Japanese Patent Application Laid-Open No. 200-111304).
- the step of reducing the contraction force may be any step as long as it is a step up to a step 10 of attaching the absorber 2 described below.
- Step 3 The elastic belt material 12 is split into two pieces in the width direction W with the S cutter 15 so that the convex portions 12 a and the concave portions 1 2 b alternately appear on the elastic belt material 12. (So-called S-cut), the first elastic belt material 12A and the second elastic belt material 12B are manufactured.
- Step 4 The first elastic belt material 12A and the second elastic belt material 12B, which are divided into two, are separated at a constant interval W1 in the width direction W, and the convex portions 1 2b and the concave portions 1 are separated.
- the 1Z2 phase is shifted in the length direction A so that 2b and 2b have the same phase (see FIG. 6 (d)).
- the step of separating the first elastic belt material 12A and the second elastic belt material 12B may be performed after the so-called S-cut and before the absorber 2 is bonded.
- the distance that the first elastic belt material 12 A is continuously fed in the length direction A is longer than the distance that the second elastic belt material 12 B is continuously fed in the length direction A.
- the first-strength belt material 12 A is sent along the dummy roll 16 so that it can be sent. Distance can be lengthened.
- Steps 5 to 9 are steps for manufacturing the absorber 2 in a longitudinal flow state.
- Step 5 In FIG. 1, FIG. 3 and FIG. 7, a wide non-woven back sheet 20a continuously fed in the length direction A and a narrow liquid-impermeable back sheet 20b are used. Adhere with a hot melt adhesive, etc., and put the flexible member 7 for flapping into the inner bent portion 20c where both ends in the width direction of the wide backsheet 20a are bent inward with a sealer 218. Adhere along the lengthwise direction A in an extended state (see Fig. 7 (a)).
- the liquid impermeable sheet polyethylene or a nonwoven fabric having water repellency and air permeability is preferable.
- the backsheet 20a may be a liquid-impermeable sheet
- the backsheet 20b may be a liquid-permeable sheet
- the knock sheets 20a and 20b may be liquid-impermeable sheets. It may be. That is, it is only necessary that the back sheet can prevent liquid leakage from the core 2a of the absorber 2.
- Step 6 Absorber is obtained by laminating fluff obtained by pulverizing roll pulp 17 with crusher 18 and defibrating on pattern drum 19 (see Japanese Patent Application Laid-Open No. 63-139,547).
- the second core 2a is formed in a lateral flow state.
- the fluff may be mixed with a highly water-absorbing polymer.
- Step 7 The backsheets 20a and 2Ob produced in step 5 are turned upside down by making a U-turn, and the core 2a is vertically flowed over the backsheet 20b which is on the upper side. After mounting (see FIG. 7 (b)), the liquid-permeable top sheet 20d is bonded to the back sheet 20b together with the core 2a with a hot melt adhesive or the like (see FIG. 7 (c)). )], The absorber 2 is manufactured in a state of being long in the length direction A.
- the liquid-permeable sheet a liquid-permeable nonwoven fabric or a mesh sheet is preferable.
- Step 8 The inwardly bent portions 20c at both ends of the lower back sinite 20a are turned inward (see FIG. 7 (d)), thereby forming the rising flap 8. Also, the back flap is raised by back sheet 20a or 20b. Instead of forming 8, a rising flap may be formed by the top sheet 20d. In this case, it is preferable that a waterproof treatment is applied to a portion of the top sheet 20d which becomes a rising flap.
- Step 9 The interior absorber 21 is used to produce a rectangular absorber 2 by forcing the absorber 2 having a long length in the length direction A together with the rising flap 8 at regular intervals. '
- Steps 10 to 15 are steps for assembling the disposable pants 1A in a lateral flow state.
- Step 10 The absorber 2 manufactured in the step 9 is turned 90 degrees by the interior turn drum 23 so as to be in a lateral flow state (see the left-hand diagram in FIG. 3).
- first elastic belt material 12 A and the second elastic belt material 12 B which are manufactured in the process 4 and are in the lateral flow state, are turned upside down by making a U-turn, and the absorber 2 is turned into the first elastic belt material. Adhesion is carried out over a portion 12c where the contraction force is reduced near the convex portion 12a of 12A and the second elastic belt material 12B [see FIG. 8 (a)].
- Step 11 The outer layer of the first elastic belt material 12A and the second elastic belt material 12B The web for the web 10 side at both ends 1 2d in the width direction W 1 The two ends 12 d are folded inward along A in an extended state, and the waist elastic member 3 is adhered to both ends 12 d (see FIG. 8 (b)). The both ends 12 d are bonded to the front and rear ends of the absorber 2 so as to cover the front and rear ends of the absorber 2.
- Step 1 2 The two-folding device 24 sets the first elastic belt member 12 A at the middle position in the width direction W so that the first elastic belt member 12 A is on the upper side and the second elastic belt member 12 B is on the lower side.
- the absorber 2 is folded and overlapped (see FIG. 8 (c)).
- Step 13 Intermediate position of absorber 2 adjacent to folded first elastic belt material 12A and second elastic belt material 12B (Disposable pants 1A ) Is fused with multiple layers of heat seals 25a to 25c and side-sealed.
- the heat seals 25a to 25c are not necessarily required to have a plurality of stages. Further, instead of the heat seals 25a to 25c, side seals may be performed by sonic.
- Step 14 When the middle part of the side-sealed part 1b of the first elastic belt material 12A and the second elastic belt material 12B is cut with a product cut 26, both sides 1a are The side-sealed disposable pants 1A is completed.
- Step 15 The disposable pants 1A as this product are turned 90 degrees by the product reversing machine 27 and then sent from the product inspection process to the packaging process.
- step 3 of the above steps 1 to 15 in step 3, the elastic belt material 12 is divided into two in the width direction, and the divided first elastic belt material 1A and second elastic belt material 1 2B are divided in the width direction W.
- the web 10 and 11 are cut in the manufacturing process by adhering the absorber 2 across the first elastic belt material 12A and the second elastic belt material 12B in a state where the webs 10 and 11 are separated. However, no trimming (loss portion) occurs, so that the manufacturing cost of disposable pants 1A can be reduced.
- the flexible belt material 12 manufactured by sandwiching the elastic member 4 for body fitting 4 (if necessary, the elastic member 5 for turning around the ledger) with the same tension between the two webs 10 and 11 is divided into two parts.
- the tension (contraction force) of the elastic members 4 and 5 of the front part P and the back part Q does not differ, a gap is formed between the front part P and the back part Q. Since it is less likely to occur, the appearance of the disposable pants 1A can be improved and the commercial value of the disposable pants 1A can be improved.
- the elastic belt material 12 is cut so that the projections 12a and the depressions 1 2b appear alternately.
- the first elastic belt material 12A and the second elastic belt material 12B are shifted in the longitudinal direction A so that the convex portions 12a and the concave portions 12b have the same phase.
- the absorber 2 can be attached across both convex portions 12a of the first elastic belt member 12A and the second elastic belt member 12B. As a result, the absorber 2 can be attached to each of the convex portions 12a of the large space, so that the attachment can be reliably performed.
- the absorber 2 approximates the pants shape. And improve the product value of disposable pants 1A Wear.
- the absorber 2 is attached to the first elastic belt material 12 A and the second elastic belt material 12 B by mounting over the portion 12 c where the contraction force is reduced near the convex portion 12 a of the second elastic belt material 12 B. 2.
- the contraction force does not work.
- the absorber 2 does not shrink due to the shrinking force, so that the adhesion to the body can be improved.
- FIGS. 9A and 9B show the disposable pants 1A according to the first embodiment specifically corresponding to FIGS. 13A and 13A, wherein FIG. 9A is a plan view in an expanded state, and FIG. It is.
- a body fluid diffusion sheet 2b is provided between the core 2a and the top sheet 20d.
- FIG. 10 shows the disposable pants 1B according to the second embodiment specifically corresponding to FIG. 13 (b), and FIG. 10 (a) shows the first flexible belt material 12A in step 3.
- FIG. 4B is a plan view of the second elastic belt material 12B, and FIG.
- the first difference from the disposable pants 1A in FIG. 9 is that the cut in the above-mentioned step 2 is performed, while the width W2 of the convex portion 12a on the first elastic belt material 12A side is reduced and the second The width W3 of the convex portion 12a on the flexible belt material 12B side is increased.
- the width W2 of the convex portion 12a of the front portion P is reduced, so that the crotch portion of the front portion P does not become narrow when worn, and the width W2 of the convex portion 12a of the back portion Q is reduced. Because it is wider, the buttocks can be covered widely when worn. As a result, the appearance can be improved and the commercial value of the worn article can be improved.
- the second difference from the disposable pants 1A shown in FIG. 9 is that each of the protrusions 12a of the first elastic belt material 12A and the second elastic belt material 12B has Is stretched.
- the sandwiching of the elastic member 5 for turning around the redder is performed in the above-mentioned process 1 by the length of the webs 10 and 11 between the outer web 10 and the inner web 11 with the body-fitting elastic member 4 extended.
- sandwiched in the vertical direction A it can be sandwiched at the same time (see Fig. 1).
- the contractive force of the body-fitting flexible member 4 near each convex portion 12a of the first flexible belt material 12A and the second flexible belt material 12B is reduced.
- the processing for reducing the contraction force is also performed on the elastic member 5 around the ledder, so that the portion 12c with the reduced contraction force can be formed.
- FIG. 11 shows a disposable pants 1C according to the third embodiment, which is specifically manufactured as a product corresponding to FIG. 13 (c), (a) is a plan view of the absorber 2, and (b) is an unfolded state.
- FIG. 11 shows a disposable pants 1C according to the third embodiment, which is specifically manufactured as a product corresponding to FIG. 13 (c), (a) is a plan view of the absorber 2, and (b) is an unfolded state.
- the recess 2c is formed on both sides of the absorber 2 and the elastic member for the leg is formed along the recess 2c. 6 is glued.
- the bonding of the resilient member 6 for the leg is performed in the above-mentioned step 5 by bonding the resilient member 6 for the reed in an extended state before bonding the back sheets 20a and 20b with a hot melt adhesive or the like. It can be sandwiched between (see Fig. 1).
- the depression 2c of the absorber 2 is connected to the outline of each convex portion 12a of the first elastic belt member 12A and the second elastic belt member 12B.
- the elastic member 6 for the ledder together with the elastic member 5 around the ledder, can improve the adhesion of the absorber 2 to the crotch of the body on both sides.
- FIG. 12 shows a disposable pants 1D according to the fourth embodiment which is specifically produced as a product corresponding to FIG. 13 (d), and (a) shows the first elastic belt material 12A and the second elastic material in the process 3.
- FIG. 3B is a plan view of the belt member 12B, and FIG.
- the first elastic belt material 12A and the second elastic belt material 12B are used in step 3 above.
- the convex portion 12a and the concave portion 12b are formed so as to form a gentle curve over the entire width W4 of the disposable pants 1D.
- the second point different from the disposable pants 1B in FIG. 10 is that, in the above-mentioned step 4, the first elastic belt material 12A and the second elastic belt material 12B have the same phase as the convex portion 12b and the concave portion 12b. In this case, the phase is simply separated at a fixed interval W1 in the width direction W without shifting the half phase in the length direction A (see FIG. 6 (d)).
- This disposable pants 1D eliminates the need for part of step 4 to shift the phase. Thus, the manufacturing process can be simplified.
- the absorber 2 is not a rectangular shape, but has a trapezoidal shape at the front part P side and a wide trapezoidal part at the back part Q side. Is twisted so that the front part P is formed inward and the back part Q is formed outward.
- the back portion Q side is widened by the twisting of the rising flap 8 and the back portion Q side of the absorber 2 is wide, so that lateral leakage from the back portion Q side can be particularly effectively prevented.
- the first elastic belt material is divided into two in the width direction, the first elastic belt material and the second elastic belt material are separated in the width direction and the phases are shifted, and the first elastic belt is Since the trim material and the second elastic belt material are attached so as to avoid trimming (loss portion) even when the web is cut in the manufacturing process, the manufacturing cost of the worn article can be reduced.
- the front and back portions are covered when the manufactured disposable wearing article is worn by dividing the elastic belt material manufactured by sandwiching the elastic member with the same tension between the two webs into two. Since the tension (shrinkage force) of the flexible members adhered to the sheet material does not differ from each other, it is difficult for the front and back parts to form a seal, so the appearance is improved and the product value of the worn article is improved. Can be made.
- the elastic belt material is cut so that the convex portions and the concave portions alternately appear.
- the first elastic belt material and the second elastic belt divided into two are divided. The material is shifted in the length direction so that the projections and depressions have the same phase, and separated in the width direction, so that the absorber can be used as both the first elastic belt material and the second elastic belt material. It can be mounted over the protrusion.
- the absorber can be attached to each of the convex portions of the large space, so that the attachment can be reliably performed.
- the absorber is covered by the biconvex portions of the first elastic belt material and the second elastic belt material. Since the wearing article approximates the shape of the pants, the appearance can be improved and the commercial value of the wearing article can be improved.
- the absorber does not act on the absorber.
- the absorber does not shrink due to the shrinking force, so that the adhesion to the body can be improved.
- the body fitting elastic member can effectively prevent the body from slipping off when worn.
- the above-mentioned elastic member for body fitting can effectively prevent the body from slipping off when the wearing article is worn, and the adhesiveness to the leg of the body can be improved by the flexible member for turning around the redder. it can.
- the above-mentioned wearing article can be of a pants type.
- the recess allows the both sides of the absorber to fit around the leg of the body, and the elastic member for the redder improves the adherence to the crotch of the body on both sides of the absorber.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Botany (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Telephone Function (AREA)
- Meat, Egg Or Seafood Products (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB028300750A CN100333705C (zh) | 2002-12-18 | 2002-12-18 | 一次性穿着物的制造方法 |
AT02808255T ATE535221T1 (de) | 2002-12-18 | 2002-12-18 | Herstellungsverfahren für einweg-gebrauchsartikel |
PCT/JP2002/013205 WO2004054490A1 (ja) | 2002-12-18 | 2002-12-18 | 使い捨て着用物品の製造方法 |
JP2004560581A JP4482457B2 (ja) | 2002-12-18 | 2002-12-18 | 使い捨て着用物品の製造方法 |
EP02808255A EP1602348B1 (en) | 2002-12-18 | 2002-12-18 | Method for producing disposable wearing article |
MXPA05006125A MXPA05006125A (es) | 2002-12-18 | 2002-12-18 | Metodo para producir articulo de uso desechable. |
AU2002357593A AU2002357593A1 (en) | 2002-12-18 | 2002-12-18 | Method for producing disposable wearing article |
US10/538,500 US7407557B2 (en) | 2002-12-18 | 2002-12-18 | Method for producing disposable wearing article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/013205 WO2004054490A1 (ja) | 2002-12-18 | 2002-12-18 | 使い捨て着用物品の製造方法 |
Publications (2)
Publication Number | Publication Date |
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WO2004054490A1 true WO2004054490A1 (ja) | 2004-07-01 |
WO2004054490A8 WO2004054490A8 (ja) | 2005-10-06 |
Family
ID=32587962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013205 WO2004054490A1 (ja) | 2002-12-18 | 2002-12-18 | 使い捨て着用物品の製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7407557B2 (ja) |
EP (1) | EP1602348B1 (ja) |
JP (1) | JP4482457B2 (ja) |
CN (1) | CN100333705C (ja) |
AT (1) | ATE535221T1 (ja) |
AU (1) | AU2002357593A1 (ja) |
MX (1) | MXPA05006125A (ja) |
WO (1) | WO2004054490A1 (ja) |
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US7264686B2 (en) | 2003-12-12 | 2007-09-04 | Kimberly-Clark Worldwide, Inc. | Method of forming a waist band on an absorbent article |
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JP2011101813A (ja) * | 2004-08-05 | 2011-05-26 | Procter & Gamble Co | 使い捨てプルオン衣類 |
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Also Published As
Publication number | Publication date |
---|---|
EP1602348A1 (en) | 2005-12-07 |
EP1602348A4 (en) | 2009-10-21 |
US7407557B2 (en) | 2008-08-05 |
ATE535221T1 (de) | 2011-12-15 |
WO2004054490A8 (ja) | 2005-10-06 |
EP1602348B1 (en) | 2011-11-30 |
CN100333705C (zh) | 2007-08-29 |
JPWO2004054490A1 (ja) | 2006-04-13 |
US20060244166A1 (en) | 2006-11-02 |
JP4482457B2 (ja) | 2010-06-16 |
CN1713875A (zh) | 2005-12-28 |
MXPA05006125A (es) | 2005-08-16 |
AU2002357593A1 (en) | 2004-07-09 |
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