WO2014196667A1 - 使い捨ておむつ - Google Patents

使い捨ておむつ Download PDF

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Publication number
WO2014196667A1
WO2014196667A1 PCT/JP2014/068427 JP2014068427W WO2014196667A1 WO 2014196667 A1 WO2014196667 A1 WO 2014196667A1 JP 2014068427 W JP2014068427 W JP 2014068427W WO 2014196667 A1 WO2014196667 A1 WO 2014196667A1
Authority
WO
WIPO (PCT)
Prior art keywords
product
disposable diaper
longitudinal direction
elastic member
width direction
Prior art date
Application number
PCT/JP2014/068427
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
麗子 高島
Original Assignee
ユニ・チャーム株式会社
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.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to BR112016023229-1A priority Critical patent/BR112016023229B1/pt
Priority to CN201480077870.7A priority patent/CN106163471B/zh
Priority to SG11201404269QA priority patent/SG11201404269QA/en
Publication of WO2014196667A1 publication Critical patent/WO2014196667A1/ja

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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
    • A61F13/45—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
    • A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region

Definitions

  • the present invention relates to a disposable diaper.
  • a first inseam elastic member is provided along the product longitudinal direction, and this is applied.
  • a technique for providing a second inseam elastic member along the product longitudinal direction inside the product width direction of the first inseam elastic member is known (for example, see Patent Document 1).
  • the second inseam elastic member is provided in a region overlapping the absorber in the inseam region.
  • the crotch region is a portion that is sandwiched between the left and right feet of the wearer when the disposable diaper is attached to the wearer, and is the portion where the load is most applied to the absorber, and the absorber is easily deformed.
  • the second crotch-around elastic member is provided along the product longitudinal direction in the region overlapping the absorber of the crotch region, which is a portion that is easily deformed in this way.
  • the absorbent body is deformed along the longitudinal direction of the product due to the contraction force of the two-legged elastic member, and the absorbent body cannot exhibit the expected absorption performance.
  • this invention is made
  • a first feature of the present invention includes a product longitudinal direction and a product width direction orthogonal to each other, and a top sheet, a back sheet, and an absorbent body disposed between the top sheet and the back sheet.
  • a disposable diaper having a back side and an abdomen side are defined in the longitudinal direction of the product, and the outer side of the product width direction is positioned outside of the maximum width of the absorbent body and the longitudinal direction of the product.
  • At least one pair of leg-hole elastic members that can be expanded and contracted are provided, the inner side of the product width direction with respect to the pair of leg-hole elastic members, and in the product width direction with respect to the position of the maximum width of the absorber.
  • At least one pair of inner elastic members capable of expanding and contracting in the longitudinal direction of the product are provided, and the absorber has a constricted portion, and on the ventral side, the constricted portion is provided around the leg.
  • Effective length of elastic member It reaches the outside in the product longitudinal direction from the range, and in the product longitudinal direction, the ventral side edge of the effective length of the inner elastic member is within the range where the constricted portion is provided. The gist is to do.
  • Drawing 1 is a top view seen from the skin contact surface side of the disposable diaper concerning a 1st embodiment of the present invention.
  • 2 is a cross-sectional view taken along line XX in FIG.
  • a disposable diaper 1 according to a first embodiment of the present invention will be described with reference to FIGS. 1 and 2.
  • FIG. 1 shows a plan view seen from the skin contact surface side of the disposable diaper 1 according to this embodiment
  • FIG. 2 shows an XX cross-sectional view in FIG.
  • the disposable diaper 1 according to the present embodiment has a product longitudinal direction L and a product width direction W that are orthogonal to each other. Moreover, the disposable diaper 1 which concerns on this embodiment has the back side B and the stomach side F in the product longitudinal direction L. As shown in FIG.
  • the disposable diaper 1 which concerns on this embodiment is the top sheet 2A, the back sheet 2D, and the absorber 2C arrange
  • the waterproof nonwoven fabric sheet 2B may be provided in the non-skin contact surface side of backsheet 2D.
  • the top sheet 2A is not particularly limited as long as it is a sheet-like material having a structure that allows liquid to permeate, such as a nonwoven fabric, a woven fabric, a perforated plastic sheet, or a mesh sheet.
  • the fibers constituting these materials include single fibers such as polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), fibers formed by graft polymerization of polyethylene and polypropylene, and composite fibers such as a core-sheath structure. Is mentioned.
  • the absorber 2C has a core wrap and an absorbent core that absorbs liquid.
  • the absorbent core includes a hydrophilic fiber and a superabsorbent polymer.
  • hydrophilic fibers include pulverized pulp, cellulose such as cotton, regenerated cellulose such as rayon and fibril rayon, semi-synthetic cellulose such as acetate and triacetate, particulate polymer, fibrous polymer, thermoplastic hydrophobic chemical fiber, or A thermoplastic hydrophobic chemical fiber or the like subjected to hydrophilic treatment can be used alone or in combination.
  • it is preferable to use pulverized pulp in consideration of low cost and ease of forming the absorber. You may use what mixed the polymer absorber with the hydrophilic fiber.
  • the absorbent core is wrapped with a core wrap.
  • a core wrap various fiber nonwoven fabrics or tissue sheets having permeability at least at a part on the skin contact surface side, specifically, air-through fiber nonwoven fabrics or spunbonds having a basis weight of 10 to 30 g / m 2 Nonwoven fabrics, SMS nonwoven fabrics, and tissue sheets can be used.
  • the back sheet 2D is made of a liquid-impermeable and moisture-permeable or moisture-impermeable film.
  • the absorbent body 2 ⁇ / b> C in the crotch region corresponding to the crotch part of the wearer, has a constricted part 2 ⁇ / b> C ⁇ b> 1 having a concave shape.
  • the disposable diaper 1 when the disposable diaper 1 is worn, the disposable diaper 1 can be fitted to the crotch part extending from the abdomen surrounded by the left and right legs of the wearer to the back part.
  • the disposable diaper 1 in the disposable diaper 1 which concerns on this embodiment, it can expand-contract in the product longitudinal direction L to the outer side of the product width direction W rather than the position of the maximum width Wmax1 / Wmax2 of the absorber 2C.
  • At least one pair of leg-hole elastic members 3 is provided.
  • the disposable diaper 1 which concerns on this embodiment, from the position of the maximum width Wmax1 / Wmax2 of the absorber 2C inside the product width direction W rather than this leg periphery elastic member 3, it is. Further, at least one pair of inner elastic members 4 that can be expanded and contracted in the product longitudinal direction L are provided outside the product width direction W.
  • the inner elastic member 4 can fit the wearer's body, effectively dam the excrement, and return the excrement to the absorber 2C side. Further, the inner elastic member 4 contracts, so that the absorber 2C can be continuously fitted to the wearer's body.
  • leg elastic member 3 and the inner elastic member 4 are arranged in a region that does not overlap the absorber 2C in the product width direction W.
  • the inner elastic member 4 may be disposed between the back sheet 2D and the non-woven sheet 2B.
  • the back sheet 2D, the top sheet 2A, and the like exist between the skin surface of the wearer and the inner elastic member 4, it is possible to improve cushioning properties against the wearer's skin surface, and the inner elastic member. 4 per skin can be softened.
  • the constricted portion 2 ⁇ / b> C ⁇ b> 1 extends to the outer side in the product longitudinal direction L from the range R ⁇ b> 1 of the effective length of the leg-hole elastic member 3. Has reached.
  • the leg-hole elastic member 3 fits the wearer's groin without being obstructed by the absorbent body 2C, and even after the disposable diaper 1 is worn, Since the absorbent body 2C is positioned along the inguinal portion, there is an effect that the wearer can easily move the leg. As a result, leakage of urine from the wearer's groin can be effectively prevented.
  • the edge E1 of the effective length ventral side F of the inner side elastic member 4 is provided with the constriction part 2C1. Exists in range.
  • the effective length range R1 of the leg elastic member 3 is larger than the effective length range R2 of the inner elastic member 4. It is configured to be long.
  • the inner side elastic member 4 is provided and the ventral side F and the effective length range R2 of the inner side elastic member 4 are provided.
  • the leg elastic member 3 By not mounting the leg elastic member 3 on the dorsal side B, it is possible to suppress the shrinkage of the absorbent body C on the ventral side F and the dorsal side B from the effective length range R2 of the inner elastic member 4, and leakage of bodily fluids And the shift
  • the range R1 of the effective length of the leg elastic member 3 is a range in which the leg elastic member 3 is disposed in a state in which the leg elastic member 3 can expand and contract in the product longitudinal direction L, and the effective length range R2 of the inner elastic member 4. Is a range in which the inner elastic member 4 is arranged in a state in which it can expand and contract in the product longitudinal direction L.
  • the disposable diaper 1 which concerns on this embodiment, in absorber 2C, it is comprised so that the maximum width Wmax2 in the back side B may become shorter than the maximum width Wmax1 in the ventral side F. May be.
  • urine can be efficiently absorbed in a wide area on the ventral side F.
  • the leak-proof wall 5 may be provided in the outer side of the product width direction W rather than the absorber 2C.
  • the leak-proof wall 5 may have a fixing portion 5A fixed to the top sheet 2A and a standing portion 5B configured to stand up from the fixing portion 5A.
  • an elastic member is provided at the free end of the upright portion 5B.
  • the distance Wf / Wb between the fixing portion 5A of the leak-proof wall 5 and the side edge of the absorbent body 2C in the product width direction W is the back side (
  • the ventral side (Wf) may be configured to be shorter than Wb).
  • the standing portion 5B of the leak-proof wall 5 is more likely to rise on the back side B than the ventral side F, and a pocket (formed by the standing portion 5B of the leak-proof wall and the top sheet 2A on the back side B ( (Accommodating space) can be widened, and leakage of soft stool or the like can be prevented.
  • the stress of the inner elastic member 4 may be configured to be equal to or greater than the stress of the leg-hole elastic member 3.
  • the inner elastic member 4 provided in a region closer to the absorber 2C than the leg-hole elastic member 3 can appropriately fit along the unevenness of the wearer's body.
  • Both end edges E2 may be fixed to the top sheet 2A.
  • the upright portion 5B of the leak-proof wall 5C is fixed to the top sheet 2A in a region that does not overlap with the constricted portion 2C1 of the absorbent body 2C configured to fit the wearer's body. Further, it is possible to obtain an effect that the leak-proof wall 5 is difficult to fall outside in the product width direction W.
  • the inner side elastic member 4 may be provided in the both sides of the product width direction W of the fixing
  • the fixing portion 5A of the leak-proof wall 5 can be helped to contract in the product longitudinal direction L, and the upright portion 5B of the leak-proof wall 5 can easily stand up.
  • the fit between the free end of 5B and the wearer's body can be improved.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
PCT/JP2014/068427 2014-04-09 2014-07-10 使い捨ておむつ WO2014196667A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112016023229-1A BR112016023229B1 (pt) 2014-04-09 2014-07-10 Fralda descartável
CN201480077870.7A CN106163471B (zh) 2014-04-09 2014-07-10 一次性尿布
SG11201404269QA SG11201404269QA (en) 2014-04-09 2014-07-10 Disposable diaper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014080287A JP5580949B1 (ja) 2014-04-09 2014-04-09 使い捨ておむつ
JP2014-080287 2014-04-09

Publications (1)

Publication Number Publication Date
WO2014196667A1 true WO2014196667A1 (ja) 2014-12-11

Family

ID=51579166

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/068427 WO2014196667A1 (ja) 2014-04-09 2014-07-10 使い捨ておむつ

Country Status (8)

Country Link
JP (1) JP5580949B1 (fi)
CN (1) CN106163471B (fi)
AU (1) AU2014203191B1 (fi)
BR (1) BR112016023229B1 (fi)
MY (1) MY180973A (fi)
SG (1) SG11201404269QA (fi)
TW (1) TWI645841B (fi)
WO (1) WO2014196667A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7125858B2 (ja) * 2018-05-18 2022-08-25 ユニ・チャーム株式会社 パンツ型吸収性物品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0296118U (fi) * 1989-01-23 1990-07-31
JPH0447428U (fi) * 1990-08-24 1992-04-22
JP2007268253A (ja) * 2006-03-06 2007-10-18 Kao Corp 展開型の使い捨ておむつ
JP2008119416A (ja) * 2006-11-16 2008-05-29 Hakujuji Co Ltd 使い捨て吸収性物品
JP2013230256A (ja) * 2012-04-27 2013-11-14 Unicharm Corp 使い捨ておむつ
JP2013255569A (ja) * 2012-06-11 2013-12-26 Kao Corp 吸収性物品

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY119240A (en) * 1993-04-19 2005-04-30 Kao Corp Shorts type disposable diaper
JPH07289583A (ja) * 1994-04-21 1995-11-07 Uni Charm Corp 使い捨ておむつ
JP3411211B2 (ja) * 1998-03-27 2003-05-26 ユニ・チャーム株式会社 使い捨ておむつ
JP3550041B2 (ja) * 1999-03-12 2004-08-04 ユニ・チャーム株式会社 使い捨ておむつ
JP3732399B2 (ja) * 2000-10-16 2006-01-05 ユニ・チャーム株式会社 使い捨て着用物品
JP2003180739A (ja) * 2001-09-05 2003-07-02 Oji Paper Co Ltd 使いすておむつ
KR101010884B1 (ko) * 2002-07-26 2011-01-25 카오카부시키가이샤 입위에서의 장착이 쉬운 기저귀
US20060144503A1 (en) * 2004-12-30 2006-07-06 Kimberly-Clark Worldwide, Inc. Method of making absorbent articles with elastomeric end regions
JP5010479B2 (ja) * 2005-11-18 2012-08-29 ユニ・チャーム株式会社 吸収性物品
JP4887218B2 (ja) * 2007-05-30 2012-02-29 株式会社リブドゥコーポレーション 伸縮シートの製造方法、伸縮シートおよび吸収性物品
EP2647360B1 (en) * 2010-11-30 2018-06-20 Kao Corporation Disposable diaper and method for producing same
JP5255139B1 (ja) * 2012-04-27 2013-08-07 ユニ・チャーム株式会社 使い捨ておむつ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0296118U (fi) * 1989-01-23 1990-07-31
JPH0447428U (fi) * 1990-08-24 1992-04-22
JP2007268253A (ja) * 2006-03-06 2007-10-18 Kao Corp 展開型の使い捨ておむつ
JP2008119416A (ja) * 2006-11-16 2008-05-29 Hakujuji Co Ltd 使い捨て吸収性物品
JP2013230256A (ja) * 2012-04-27 2013-11-14 Unicharm Corp 使い捨ておむつ
JP2013255569A (ja) * 2012-06-11 2013-12-26 Kao Corp 吸収性物品

Also Published As

Publication number Publication date
AU2014203191B1 (en) 2014-11-20
SG11201404269QA (en) 2015-01-29
JP2015198823A (ja) 2015-11-12
BR112016023229A2 (fi) 2017-08-15
MY180973A (en) 2020-12-14
TWI645841B (zh) 2019-01-01
TW201544082A (zh) 2015-12-01
BR112016023229B1 (pt) 2022-02-22
CN106163471B (zh) 2019-05-21
CN106163471A (zh) 2016-11-23
JP5580949B1 (ja) 2014-08-27

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