CN1234219A - Disposable diaper - Google Patents

Disposable diaper Download PDF

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Publication number
CN1234219A
CN1234219A CN99105098A CN99105098A CN1234219A CN 1234219 A CN1234219 A CN 1234219A CN 99105098 A CN99105098 A CN 99105098A CN 99105098 A CN99105098 A CN 99105098A CN 1234219 A CN1234219 A CN 1234219A
Authority
CN
China
Prior art keywords
elastic telescopic
telescopic member
back layer
aforementioned
district
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN99105098A
Other languages
Chinese (zh)
Other versions
CN1240355C (en
Inventor
下江成明
熊坂钦典
井上康司
大坪俊文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
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.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of CN1234219A publication Critical patent/CN1234219A/en
Application granted granted Critical
Publication of CN1240355C publication Critical patent/CN1240355C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/22—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form held erect by extensions of one or more sides being doubled-over to enclose extensions of adjacent sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4295—Ventilating arrangements, e.g. openings, space elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/563—Laminated linings; Coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6626—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank
    • B65D5/665—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank the lid being held in closed position by self-locking integral flaps or tabs
    • B65D5/6661—Flaps provided over the total length of the lid edge opposite to the hinge
    • B65D5/6664—Flaps provided over the total length of the lid edge opposite to the hinge combined with flaps or tabs provided at the side edges of the lid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The invention is directed to provide a disposable diaper for not damaging a wearing feeling without the need of covering an elastic extension/contraction member with two sheets. This disposable diaper is provided with a liquid transmissive surface sheet, a liquid non-transmissive back surface sheet and a liquid absorptive core interposed between both sheets and a longitudinal direction crossed with a waist direction is constituted of a front waist area, a back waist area and a crotch area positioned between both areas. The elastic extension/contraction member extended in a direction around the front and back waist areas is covered with the back surface sheet for more than 1/2 of a peripheral length on a width direction cross section crossed with the longitudinal direction of the member.

Description

Disposable diapers
The present invention relates to disposable diapers.
Deploying type or pants-type disposable use diaper, along circumferentially many elastic telescopic members of joint under elongation state of back layer front and back waist, then, remove its elongation state, make the front and back waist district have retractility, the skew in preventing to wear by the contractility of elastic telescopic member.If the elastic telescopic member exposes from layer and directly contacts skin, the sense of touch of user is degenerated, and often on skin, stay the vestige of elastic telescopic member., be engaged on the back layer for this reason, coat the elastic telescopic member by surface layer.
Coating under the situation of elastic telescopic member with back layer and surface layer, though in the zone that the elastic telescopic member exists with both intermittent engagement, increased the rigidity of junction, can impair wearing feeling.
Problem of the present invention provides a kind of disposable diapers that does not need to coat with two synusia the wearing feeling elastic telescopic member, harmless.
For solving aforementioned problem, the prerequisite of disposable diaper of the present invention is: have permeance surface layer, opaque liquid back layer, be clipped in the absorbency core of this two interlayer; This diaper is made of preceding waistline district, waistline district, back and the crotch district that is positioned at two intervals on the length direction that intersects with the waistline direction.
In this prerequisite, the invention is characterized in the coating by aforementioned back layer more than 1/2 of the girth of the width section that intersects with this member length direction of the elastic telescopic member that is being provided with along the circumferential extension in aforementioned front and back waist district.
As one embodiment of the invention, aforementioned back layer is formed by plastic sheeting and the nonwoven layer that is engaged in aforementioned plastic sheeting outside, extend the width section that aforementioned elastic telescopic member and length direction aforementioned components that makes progress in week that is arranged on aforementioned front and back waist district intersects girth more than 1/2 by aforementioned nonwoven layer coating.
Brief Description Of Drawings
Fig. 1 is a disposable diapers partial cutaway axonometric chart; Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the profile of the example different with Fig. 1; Fig. 4 is the profile with Fig. 1,3 different examples.
With reference to accompanying drawing, specify disposable diapers of the present invention.
Fig. 1 is the partial cutaway axonometric chart of disposable diapers 1.
Disposable diapers 1 by the permeance surface layer 2 that constitutes with non-woven fabrics, opaque liquid back layer 3 that plastic sheeting constitutes, be sandwiched in the absorbent core 4 that inner face 3 of surface layer 2 and back layer and by at least one side in bonding agent and the layer 2,3 engages and constituted.
Waistline district 10, waistline district, back 11 before diaper 1 has, be positioned at the crotch district 12 in 10,11 in this front and back waist district on its length direction that intersects with the waistline direction.Front and back waist district 10,11 is the shape of putting the palms together before one in the both side edges portion of diaper 1 and overlaps, and engages at 5 places, position that above-below direction is interrupted configuration, thereby has formed waistline district peristome 6 and at right pair of leg week peristome 7.10,11 week upwards is being engaged in many waistline elastic extension members 8 on the inner face of back layer 3 under the elongation state in the front and back waist district; 2 widths that cross core 4 wherein; And at the circumference of lower limb week peristome 7, with many lower limbs week elastic telescopic member 9 be engaged on the inner face of back layer 3 under the elongation state.At lower limb week peristome 7 places, form side 13 thereby engage to one with the lap of back layer 3 to the extended surface layer 2 in side respectively from core 4 both side edges.When having removed the elongation state of elastic shrinkage member 8,9, in the front and back waist district 10,11 and lower limb week peristome 7 places form rounding state respectively.
Fig. 2 is the A-A profile of Fig. 1 diaper.
Almost complete all inner faces by back layer 3 around the width section that the length direction with elastic telescopic member 8 of each waistline elastic extension member 8 intersects are coating.Elastic telescopic member 8 engages with the inner face of back layer 3 discontinuously.For each elastic telescopic member 8 is exposed from back layer 3, preferably more than 1/2 of girth of the section that intersects with its length direction of elastic telescopic member 8, the inner face that is more preferably more than 2/3 by back layer 3 coat.
Though it is not shown, but in order to coat respectively with back layer 3 around each elastic telescopic member 8, used a pair of the 1st roller, be disposed at the 1st roller downstream a pair of the 2nd roller, be disposed at the 2nd roller downstream a pair of the 3rd roller, be disposed at and between the 1st and the 2nd roller bonding agent be interrupted the applying device that is coated on the elastic telescopic member 8.Elastic telescopic member 8 and back layer 3 move to the 3rd roller direction from the 1st roller along its length.Side's in a pair of the 2nd roller is circumferential, forms the ditch portion of manying with circular-arc section bigger slightly than elastic telescopic member 8 width sections along full week.
Elastic telescopic member 8,, is coated with by applying device and applies bonding agent in elongation process on one side by elongation, move on one side by the rotary speed difference of the 1st roller and the 2nd roller.The inner face of elastic telescopic member 8 and back layer 3 connects and towards the 2nd roller.In the 2nd roller, elastic telescopic member 8 is along with the ditch portion of the 2nd roller, and the outside of back layer 3 is connected to the side face of the 2nd roller.At this moment, elastic telescopic member 8 is in the state that the interior side to the ditch portion of the 2nd roller is crimped, and a part that presses on the back layer 3 on the elastic telescopic member 8 enters the ditch portion of the 2nd roller with elastic telescopic member 8.The part of elastic telescopic member 8 and back layer 3 is in ditch portion interior bonds, circumferentially being coated by back layer 3 respectively of each elastic telescopic member 8.The back layer 3 that is engaging elastic telescopic member 8 is towards the 3rd roller.Waistline elastic telescopic member 8 preferably uses the circular or oval-shaped cord shape of width section natural rubber, synthetic rubber etc.Back layer 3 is preferably used hot-melt adhesive with engaging of elastic telescopic member 8.
Fig. 3, Fig. 4 are the profiles of the example different with Fig. 2.
In Fig. 3, diaper is made of permeance surface layer 2, opaque liquid back layer 3, the absorbent core 4 that is sandwiched in 3 of surface layer 2 and back layer.Each waistline elastic telescopic member 8 engages with the outside of back layer 3 respectively, being coated by back layer 3 in almost full week around the width section that the length direction with elastic telescopic member 8 of elastic telescopic member 8 intersects.
In Fig. 4, back layer 3 is formed by plastic sheeting 3a and the non-woven fabrics 3b that is engaged in plastic sheeting 3a outside.Waistline elastic telescopic member 8 engages with non-woven fabrics 3b inner face respectively, and the almost inner face of full periderm non-woven fabrics 3b around the width section that intersects with its length direction of elastic telescopic member 8 is coating.Also each elastic telescopic member 8 can be engaged in respectively on the outside of non-woven fabrics 3b.In Fig. 3, Fig. 4, preferably more than 1/2 of girth of the width section that intersects with its length direction of elastic telescopic member 8, better be to coat by the outside of back layer 3 or the non-woven fabrics 3b that forms back layer 3 more than 2/3.
According to disposable diaper of the present invention, just do not need to coat the elastic telescopic member with surface layer and back layer.Owing to the surface layer in the existence zone that can reduce the elastic telescopic member and the junction of back layer, just play the effect that improves wearing feeling.

Claims (2)

1. disposable diaper, it has permeance surface layer, opaque liquid back layer, is clipped in the absorbency core of this two interlayer, this diaper is made of preceding waistline district, waistline district, back, the crotch district that is positioned at this two interval on the length direction that intersects with the waistline direction, it is characterized in that
Extend coating by aforementioned back layer more than 1/2 of the girth be arranged on the width section that the elastic telescopic member and length direction this member that aforementioned front and back waist district makes progress in week intersects.
2. the diaper of recording and narrating by claim 1, it is characterized in that, aforementioned back layer is made of plastic sheeting and the non-woven fabrics that is engaged in this plastic sheeting outside, extend the width section that aforementioned elastic telescopic member and the length direction this member that makes progress in week that is arranged on aforementioned front and back waist district intersects girth more than 1/2 by aforementioned non-woven fabrics coating.
CNB991050983A 1998-04-20 1999-04-20 Disposable diaper Expired - Fee Related CN1240355C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP146469/98 1998-04-20
JP14646998A JP3400711B2 (en) 1998-04-20 1998-04-20 Disposable diapers

Publications (2)

Publication Number Publication Date
CN1234219A true CN1234219A (en) 1999-11-10
CN1240355C CN1240355C (en) 2006-02-08

Family

ID=15408352

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB991050983A Expired - Fee Related CN1240355C (en) 1998-04-20 1999-04-20 Disposable diaper

Country Status (7)

Country Link
JP (1) JP3400711B2 (en)
KR (1) KR100605324B1 (en)
CN (1) CN1240355C (en)
ID (1) ID22460A (en)
MY (1) MY126516A (en)
SG (1) SG80025A1 (en)
TW (1) TW388262U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100493480C (en) * 2002-08-30 2009-06-03 尤妮佳股份有限公司 Underpants type disposable wearing article
CN105167919A (en) * 2015-09-29 2015-12-23 黄山富田精工制造有限公司 Disposable wearing article and manufacturing equipment and method thereof
CN112584808A (en) * 2018-09-19 2021-03-30 花王株式会社 Absorbent article

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4076744B2 (en) 2001-07-31 2008-04-16 ユニ・チャーム株式会社 Pants-type disposable wearing articles
US8109915B2 (en) 2002-08-30 2012-02-07 Uni-Charm Corporation Pull-on disposable wearing article
JP4116845B2 (en) 2002-08-30 2008-07-09 ユニ・チャーム株式会社 Pants-type disposable wearing articles
JP4249993B2 (en) 2003-01-30 2009-04-08 ユニ・チャーム株式会社 Pants-type disposable wearing articles
CN103957852B (en) * 2011-11-30 2015-11-25 花王株式会社 The manufacture method of disposable diaper and Stretchable sheet
JP5828513B2 (en) * 2011-12-20 2015-12-09 花王株式会社 Method for producing elastic sheet
JP5851811B2 (en) * 2011-11-30 2016-02-03 花王株式会社 Disposable diapers
JP5931473B2 (en) * 2012-01-30 2016-06-08 大王製紙株式会社 Tape type disposable diaper
WO2015046338A1 (en) * 2013-09-30 2015-04-02 大王製紙株式会社 Stretchable structure for absorbent article, absorbent article comprising said stretchable structure, and method for forming stretchable structure for absorbent article
JP6396144B2 (en) * 2013-09-30 2018-09-26 大王製紙株式会社 Stretch structure of absorbent article, and absorbent article having the stretch structure
EP3053558B1 (en) 2013-09-30 2020-10-28 Daio Paper Corporation Stretchable structure for absorbent article, absorbent article comprising said stretchable structure, and method for forming stretchable structure for absorbent article
JP6396145B2 (en) * 2013-12-26 2018-09-26 大王製紙株式会社 Stretch structure of absorbent article, and absorbent article having the stretch structure
WO2020059507A1 (en) * 2018-09-19 2020-03-26 花王株式会社 Absorbent article

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741828C1 (en) * 1987-12-10 1989-05-24 Hartmann Paul Ag Disposable diaper and method and device for producing a disposable diaper
SE508450C2 (en) * 1992-11-11 1998-10-05 Sca Hygiene Prod Ab Absorbent article and method of making it
SE508628C2 (en) * 1994-02-18 1998-10-19 Sca Hygiene Prod Ab Absorbent pants diaper
EP0734242B1 (en) * 1994-10-14 1999-07-21 Kao Corporation Shorts type disposable diaper
JP3323053B2 (en) * 1996-03-29 2002-09-09 ユニ・チャーム株式会社 Pants-type disposable diapers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100493480C (en) * 2002-08-30 2009-06-03 尤妮佳股份有限公司 Underpants type disposable wearing article
CN105167919A (en) * 2015-09-29 2015-12-23 黄山富田精工制造有限公司 Disposable wearing article and manufacturing equipment and method thereof
CN105167919B (en) * 2015-09-29 2019-09-03 黄山富田精工制造有限公司 A kind of disposable wearing article and its manufacturing equipment and manufacturing method
CN112584808A (en) * 2018-09-19 2021-03-30 花王株式会社 Absorbent article

Also Published As

Publication number Publication date
KR19990083329A (en) 1999-11-25
ID22460A (en) 1999-10-21
MY126516A (en) 2006-10-31
CN1240355C (en) 2006-02-08
JPH11299829A (en) 1999-11-02
TW388262U (en) 2000-04-21
JP3400711B2 (en) 2003-04-28
SG80025A1 (en) 2001-04-17
KR100605324B1 (en) 2006-07-31

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SE01 Entry into force of request for substantive examination
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Granted publication date: 20060208

Termination date: 20140420