WO2004049997A1 - 縦長の吸収性物品 - Google Patents
縦長の吸収性物品 Download PDFInfo
- Publication number
- WO2004049997A1 WO2004049997A1 PCT/JP2003/015391 JP0315391W WO2004049997A1 WO 2004049997 A1 WO2004049997 A1 WO 2004049997A1 JP 0315391 W JP0315391 W JP 0315391W WO 2004049997 A1 WO2004049997 A1 WO 2004049997A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- groove
- compression
- absorbent article
- compressed
- grooves
- Prior art date
Links
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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
- A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/4704—Sanitary towels, incontinence pads or napkins having preferential bending zones, e.g. fold lines or grooves
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
- A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
- A61F13/47227—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump for interlabial use
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
- A61F13/47272—Sanitary towels, incontinence pads or napkins specially adapted for female use with a longitudinal raised end, e.g. cup-shaped gluteal groove
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4758—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction
Definitions
- FIG. 6 is a perspective view showing a deformed state of the rear part of the sanitary napkin
- the absorbent article of the present invention is used as a sanitary napkin whose main purpose is to absorb blood excreted from the vaginal opening of a woman.
- the surface facing the wearer's crotch is the skin-side surface of the two surfaces of the absorbent article, and the opposite surface is the clothing-side surface regardless of whether clothing is worn on the outside.
- the compression groove and the back side compression portion may be formed so that the concave portion extends in a continuous line, or may be formed such that the compression portions that are separated and spaced apart are arranged in a line.
- the anterior central region refers to the portion of the vaginal opening
- the posterior central region refers to the portion of the wearer's body that is posterior to the vaginal opening and that includes the anus and buttocks grooves. The boundary between the anterior central region and the posterior central region faces the perineum located between the vaginal opening and the anus.
- the right side edge 1a and the left side edge 1b protrude to the left and right sides within a predetermined vertical length range including the horizontal reference line Ox-Ox, and the protruding portions form wing portions 1A, 1A. Have been. Further, behind the wings 1A, 1A, the right side edge 1a and the left side edge 1b are formed in a curved shape so that the lateral opposing interval gradually widens rearward. The rear flaps 1B and IB are formed at the widened part.
- Front outer compressed grooves 15 and 15 are formed on both left and right outer sides of the front inner compressed grooves 11A and 11A, respectively.
- the front outer compressed grooves 15, 15 are formed in a range of a predetermined length in the longitudinal direction around the horizontal reference line 0X-0X.
- the outer outer compressed grooves 15, 15 have a curved shape similar to the front inner compressed grooves 11A, 11A.
- Rear outer compressed grooves 16 and 16 are provided on both left and right outer sides of the rear inner compressed grooves 11D and 1ID, respectively.
- the rear outer compression grooves 16, 16 are inclined so that the gap gradually decreases toward the rear edge 1 d, and the left and right rear outer compression grooves 16 and 16 are formed by outer rear connection compression grooves 17. Consolidated.
- the rear outer compression grooves 16, 16 and the outer rear connection compression groove 17 are formed continuously, and the outer rear connection compression groove 17 has a curved shape with the convex side directed to the rear edge 1d.
- the second layer 5 has a long and narrow strip shape so as to cross the central region 20 in the longitudinal direction, and left and right side edges 5 a, 5 a have front inner compression grooves 11 A, 11. A and rear inner compressed grooves 11D, 11D are located inside.
- the front end of the second layer 5 extends to the front edge 1c of the sanitary napkin 1, and the rear end extends to the rear edge 1d. Therefore, in the front connection compression groove 12, the rear connection compression groove 14, and the outer rear connection compression groove 17, the topsheet 3, the second layer 5, and the liquid absorption layer 4 are compressed together.
- a hydrophilic fiber such as pulp and a synthetic fiber are bonded between the second layer 5 and the liquid absorbing layer 4 with a binder, and the sheet is bonded. It is also possible to provide a liquid acquisition layer formed of a water-absorbing sheet such as a non-woven air-laid nonwoven fabric (air-laid pulp).
- the liquid-impervious sheet 30 is folded in two layers with a plurality of elastic elastic members 32 interposed therebetween, and the opposing folded surfaces of the liquid-impermeable sheet 30 are adhered to each other. Further, in the front fixing regions 33, 33, two liquid-impervious sheets 30 are folded and adhered and fixed to the skin side surface in the folded state. Also in the rear fixing regions 34, 34, the liquid impermeable sheet 30 is adhered and fixed to the skin side surface in a folded state. In FIG. 1, the front fixed regions 33, 33 and the rear fixed regions 34, 34 are indicated by hatching. FIG. 5 shows a rear fixing region 34 in a cross-sectional view.
- the liquid-impermeable sheets 30, 30 are in a free state with a predetermined width, and The leak-proof walls 31 and 31 are formed by the sheets 30 and 30.
- a longitudinal elastic contraction force of the elastic expandable member 32 is acting on the leakage preventing walls 31, 31.
- the front working end 35 of the elastic contraction force is the rear end of the front fixed region 33, and the rear working end 36 of the elastic contraction force is the front end of the rear fixed region 34. Due to the elastic contraction force, the working end 35 and the working end 36 try to approach each other, and the sanitary napkin 1 has a range of a distance L1 between the working end 35 and the working end 35. Deforms so that the skin side surface becomes concave. As a result, as shown in FIG. 4, the leak preventing walls 31 and 31 rise from the skin side surface between the working ends 35 and 36.
- the front outer compression grooves 15, 15 and the front inner compression grooves 11A, 11A are located sufficiently below the midpoint of the thickness of the front central area 2OA, so that the compression When a force is applied, the front outer compression grooves 15, 15 and the front side areas 21, 21 and the front inner compression grooves 11A, 11A try to enter under the front center area 2OA, and The front central region 2 OA is lifted toward the wearer's body and adheres to the vaginal opening (N), supported from below by the high front lateral regions 21, 21.
- the front inner compressed groove 11A, the front side area 21 and the front outer compressed groove 15 located on the left and right sides of the article are formed by the pressure-sensitive adhesive layer 42 located thereunder. It is fixed to the inner surface.
- the rear part of the sanitary napkin 1 has a three-dimensional concave surface and can be in close contact with the buttocks, so that it is easy to prevent menstrual blood from leaking from the rear part to the outside at bedtime.
- short compression grooves 19, 19 are formed inside the inner compression grooves 11D, 11D in the rear central region 20D.
- the short compression grooves 19 and 19 are formed in the same manner as the compression grooves 11 to 17 described above. Therefore, in the short compression grooves 19, 19, the liquid absorbing layer 4 is compressed together with the surface sheet 3 so that the skin side surface is concave toward the clothing side surface.
- the short compression grooves 19, 19 are relatively short, and Grooves 1 ID, 1 1D are separated from each other by approximately equal distances inward.
- the short compression grooves 19, 19 become folding starting points.
- the rear ends 19 a, 19 a of the short compression grooves 19, 19 serve as starting points, and the rear end 1 of the rear central region 20 D
- FIG. 10 shows a sanitary napkin 100A. Behind the sanitary napkin 100 A, pressure-sensitive adhesive layers 45, 45 are provided on the outer surface of the back sheet 2. The pressure-sensitive adhesive layers 45, 45 are arranged symmetrically with respect to the longitudinal center line Oy-Oy. The pressure-sensitive adhesive layers 45, 45 are similar in shape to the pressure-sensitive adhesive layers 42, 42 provided in front of the sanitary napkin 100A, but are separate. .
- the front inner compressed groove 11 A, the front side area 21 and the front outer compressed groove 15 are firmly fixed to the underwear with the pressure-sensitive adhesives 4 2 and 4 2.
- the front central area 2OA is firmly compressed from the left and right sides due to deformation of the underwear when worn, and protrudes toward the wearer's skin.
- the rear inner compressed groove 11D and the rear lateral area 24 and the rear outer compressed groove 16 are firmly fixed inside the undergarment by the pressure-sensitive adhesive layers 45, 45.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03776017.0A EP1568341B1 (en) | 2002-12-05 | 2003-12-02 | Sanitary napkin |
AU2003284532A AU2003284532A1 (en) | 2002-12-05 | 2003-12-02 | Elongated absorbent article |
US11/038,886 US7078583B2 (en) | 2002-12-05 | 2005-01-18 | Elongated absorbent article |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-354178 | 2002-12-05 | ||
JP2002354178A JP4390445B2 (ja) | 2002-12-05 | 2002-12-05 | 縦長の吸収性物品 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/038,886 Continuation US7078583B2 (en) | 2002-12-05 | 2005-01-18 | Elongated absorbent article |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004049997A1 true WO2004049997A1 (ja) | 2004-06-17 |
Family
ID=32463330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/015391 WO2004049997A1 (ja) | 2002-12-05 | 2003-12-02 | 縦長の吸収性物品 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7078583B2 (ja) |
EP (1) | EP1568341B1 (ja) |
JP (1) | JP4390445B2 (ja) |
KR (1) | KR101078109B1 (ja) |
CN (1) | CN1329010C (ja) |
AU (1) | AU2003284532A1 (ja) |
MY (1) | MY134516A (ja) |
TW (1) | TWI235052B (ja) |
WO (1) | WO2004049997A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US7078583B2 (en) * | 2002-12-05 | 2006-07-18 | Uni-Charm Corporation | Elongated absorbent article |
WO2014171861A1 (en) * | 2013-04-04 | 2014-10-23 | Sca Hygiene Products Ab | Disposable personal care article |
US20150080831A1 (en) * | 2004-11-30 | 2015-03-19 | The Procter & Gamble Company | Absorbent article having outwardly convex longitudinal central channels for improved protection |
WO2016103773A1 (ja) * | 2014-12-24 | 2016-06-30 | ユニ・チャーム株式会社 | 吸収性物品 |
CN108697553A (zh) * | 2016-03-01 | 2018-10-23 | 尤妮佳股份有限公司 | 吸收垫 |
CN110403767A (zh) * | 2019-08-29 | 2019-11-05 | 武汉市川田卫生用品有限公司 | 一种双层面料的卫生巾 |
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US7078583B2 (en) * | 2002-12-05 | 2006-07-18 | Uni-Charm Corporation | Elongated absorbent article |
US20150080831A1 (en) * | 2004-11-30 | 2015-03-19 | The Procter & Gamble Company | Absorbent article having outwardly convex longitudinal central channels for improved protection |
US10912684B2 (en) * | 2004-11-30 | 2021-02-09 | The Procter & Gamble Company | Absorbent article having outwardly convex longitudinal central channels for improved protection |
US11633312B2 (en) | 2004-11-30 | 2023-04-25 | The Procter & Gamble Company | Absorbent article having outwardly convex longitudinal central channels for improved protection |
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Also Published As
Publication number | Publication date |
---|---|
KR101078109B1 (ko) | 2011-10-28 |
JP2004181085A (ja) | 2004-07-02 |
EP1568341A4 (en) | 2009-07-01 |
EP1568341B1 (en) | 2013-09-18 |
TW200503656A (en) | 2005-02-01 |
EP1568341A1 (en) | 2005-08-31 |
CN1329010C (zh) | 2007-08-01 |
AU2003284532A1 (en) | 2004-06-23 |
TWI235052B (en) | 2005-07-01 |
MY134516A (en) | 2007-12-31 |
KR20050086479A (ko) | 2005-08-30 |
US20050124951A1 (en) | 2005-06-09 |
US7078583B2 (en) | 2006-07-18 |
CN1711061A (zh) | 2005-12-21 |
JP4390445B2 (ja) | 2009-12-24 |
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