JP4870365B2 - 生理用ナプキン - Google Patents
生理用ナプキン Download PDFInfo
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- JP4870365B2 JP4870365B2 JP2005047320A JP2005047320A JP4870365B2 JP 4870365 B2 JP4870365 B2 JP 4870365B2 JP 2005047320 A JP2005047320 A JP 2005047320A JP 2005047320 A JP2005047320 A JP 2005047320A JP 4870365 B2 JP4870365 B2 JP 4870365B2
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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
- A61F13/53—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 absorbing medium
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
-
- 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
-
- 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
-
- 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
- A61F13/53—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 absorbing medium
- A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
- A61F13/532—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/533—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
-
- 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
- A61F13/53—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 absorbing medium
- A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/535—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
- A61F13/536—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15357—Stiffness, e.g. Taber rigidity
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)
Description
前記液吸収層には、縦方向中心線上に位置する所定面積の膣対面領域と、この膣対面領域の左右両側に位置する側部領域とが形成され、
前記液吸収層は、下層吸収コアと、下層吸収コアよりも面積の小さい上層吸収コアとを有し、前記膣対面領域で、下層吸収コアの肌側表面に上層吸収コアが重ねられ、前記側部領域に前記下層吸収コアが位置して、前記膣対面領域の厚み寸法が前記側部領域よりも大きく、
前記下層吸収コアは、前記膣対面領域および側部領域よりも前方と後方に位置する前方領域ならびに後方領域を有しており、
下層吸収コアの目付けは、前記前方領域および後方領域において前記側部領域と同じで、前記膣対面領域において前記側部領域よりも大きく、
前記前方領域と後方領域では、前記下層吸収コアが部分的に圧縮されて下層吸収コアの曲げ剛性が、前記側部領域よりも高く設定されており、
前記膣対面領域では、下層吸収コアを部分的に圧縮した複数の高密度部が前記膣対面領域全体に形成されており、膣対面領域での下層吸収コアの密度が、側部領域での下層吸収コアの密度よりも高く、前記液吸収層は、前記膣対面領域の曲げ剛性が側部領域よりも高く設定されており、
前記膣対面領域と側部領域との境界が、折れ境界部とされていることを特徴とするものである。
参考例および比較例として、図1および図2に示す形状の液吸収層であって、下層吸収コアは長さ寸法が210mmで幅寸法が75mm、上層吸収コアは長さ寸法が80mm、幅寸法が35mmのものを用いた。下層吸収コアと上層吸収コアは共に、粉砕パルプと、SAPと、エチレン酢酸ビニル共重合体のエマルジョン(バインダー)の重量比が、60:26:14の吸収シート(エアーレイドパルプ)を用いた。そして、上層吸収コアを下層吸収コアの縦方向中心線上に載せてホットメルト型接着剤で接着固定した。
(参考例1)
下層吸収コアとして、目付けが160g/m2の吸収シートを2枚接着して使用した(合計目付け320g/m2)。上層吸収コアとして目付けが160g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが160g/m2の吸収シートと目付けが60g/m2の吸収シートを2枚接着して使用した(合計目付け220g/m2)。上層吸収コアとして目付けが160g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが160g/m2の吸収シートを使用した。上層吸収コアとして目付けが160g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが100g/m2の吸収シートを使用した。上層吸収コアとして目付けが160g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが160g/m2の吸収シートを使用した。上層吸収コアとして目付けが100g/m2の吸収シートを使用した。折れ境界部に切り込み部を形成した。
下層吸収コアとして、目付けが160g/m2の吸収シートを使用した。上層吸収コアとして目付けが100g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが160g/m2の吸収シートを使用した。上層吸収コアとして目付けが160g/m2のものを使用した。折れ境界部に切り込み部を形成した。
下層吸収コアとして、目付けが160g/m2の吸収シートと目付けが100g/m2の吸収シートを2枚接着して使用した(合計目付け260g/m2)。上層吸収コアを設けないものとした。
下層吸収コアとして、目付けが160g/m2の吸収シートと目付けが60g/m2の吸収シートを2枚接着して使用した(合計目付け220g/m2)。上層吸収コアとして目付けが60g/m2の吸収シートを使用した。
下層吸収コアとして、目付けが60g/m2の吸収シートを使用した。上層吸収コアとして目付けが160g/m2の吸収シートを使用した。
株式会社安田精機製作所製の「ガーレー式柔軟度試験機(製品番号311)」を用いた。測定試料は、液吸収層を切断したものを用いた。前記目付けの下層吸収コアと上層吸収コアを接着固定したもので、生理用ナプキンの幅方向の寸法が38mm、縦方向の寸法が25mmとし、38mmの方向を長手方向として測定し、これを膣対面領域の曲げ剛性値とした。また前記目付けの下層吸収コアを、生理用ナプキンの幅方向の寸法が38mm、縦方向の寸法が25mmとし、38mmの方向を長手方向として測定し、これを側部領域の曲げ剛性値とした。
カトーテック株式会社製の、女性の下半身を再現したシリコン製のドールを用いた。ドールは、大腿部の間隔の最小値が35mmとなるように設定した。下着のクロッチ部の内面に各参考例または各比較例を接着し、下着をドールに着用させる試験を行った。
11 表面シート
12 裏面シート
13 クッション層
20 液吸収層
21 下層吸収コア
22 上層吸収コア
23,23a,23b 切り込み部
23c 始端
23d 終端
23e 直線部
25 膣対面領域
26 側部領域
27 前方領域
28 後方領域
30 圧縮線
31 外郭圧縮線
101 生理用ナプキン
120 液吸収層
121 下層吸収コア
123 切り込み部
124 切り込み部
201 生理用ナプキン
220 液吸収層
221 下層吸収コア
222 上層吸収コア
223 切り込み部
223a 始端
223b 終端
223c 直線部
301 生理用ナプキン
320 液吸収層
321 下層吸収コア
324 低密度部
401,401A 生理用ナプキン
420 液吸収層
421 下層吸収コア
423 高密度部
425 膣対面領域
426 側部領域
427 前方領域
428 後方領域
Claims (7)
- 液透過性の表面シートと、裏面シートと、前記表面シートと裏面シートとの間に位置する液吸収層とを有する生理用ナプキンにおいて、
前記液吸収層には、縦方向中心線上に位置する所定面積の膣対面領域と、この膣対面領域の左右両側に位置する側部領域とが形成され、
前記液吸収層は、下層吸収コアと、下層吸収コアよりも面積の小さい上層吸収コアとを有し、前記膣対面領域で、下層吸収コアの肌側表面に上層吸収コアが重ねられ、前記側部領域に前記下層吸収コアが位置して、前記膣対面領域の厚み寸法が前記側部領域よりも大きく、
前記下層吸収コアは、前記膣対面領域および側部領域よりも前方と後方に位置する前方領域ならびに後方領域を有しており、
下層吸収コアの目付けは、前記前方領域および後方領域において前記側部領域と同じで、前記膣対面領域において前記側部領域よりも大きく、
前記前方領域と後方領域では、前記下層吸収コアが部分的に圧縮されて下層吸収コアの曲げ剛性が、前記側部領域よりも高く設定されており、
前記膣対面領域では、下層吸収コアを部分的に圧縮した複数の高密度部が前記膣対面領域全体に形成されており、膣対面領域での下層吸収コアの密度が、側部領域での下層吸収コアの密度よりも高く、前記液吸収層は、前記膣対面領域の曲げ剛性が側部領域よりも高く設定されており、
前記膣対面領域と側部領域との境界が、折れ境界部とされていることを特徴とする生理用ナプキン。 - 前記膣対面領域の外側に、前記下側吸収コアが前記表面シートから凹状に圧縮された縦方向に延びる圧縮線が設けられ、前記圧縮線が前記折れ境界部とされている請求項1に記載の生理用ナプキン。
- 上層吸収コアと下層吸収コアは接着固定されている請求項1または2に記載の生理用ナプキン。
- 前記前方領域と後方領域では、前記下側吸収コアが交差線状のエンボスパターンにより圧縮されている請求項1ないし3のいずれか1項に記載の生理用ナプキン。
- 前記下層吸収コアおよび上層吸収コアは、親水性繊維がバインダーで接着された吸収シートで形成されている請求項1ないし4のいずれか1項に記載の生理用ナプキン。
- 膣対面領域と側部領域のガーレー剛性値の差が、1.96mN以上である請求項1ないし5のいずれか1項に記載の生理用ナプキン。
- 前記液吸収層と前記表面シートとの間に、吸収コアよりも低密度のクッション層が介在している請求項1ないし6のいずれか1項に記載の生理用ナプキン。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005047320A JP4870365B2 (ja) | 2005-02-23 | 2005-02-23 | 生理用ナプキン |
| US11/344,915 US7959622B2 (en) | 2005-02-23 | 2006-01-31 | Sanitary napkin |
| TW095104746A TW200701962A (en) | 2005-02-23 | 2006-02-13 | Sanitary napkin |
| KR1020060015566A KR101246445B1 (ko) | 2005-02-23 | 2006-02-17 | 생리용 냅킨 |
| CN201010157803XA CN101810530B (zh) | 2005-02-23 | 2006-02-23 | 生理用卫生巾 |
| CN200610008861XA CN1823695B (zh) | 2005-02-23 | 2006-02-23 | 生理用卫生巾 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005047320A JP4870365B2 (ja) | 2005-02-23 | 2005-02-23 | 生理用ナプキン |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010262608A Division JP5140145B2 (ja) | 2010-11-25 | 2010-11-25 | 生理用ナプキン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006230596A JP2006230596A (ja) | 2006-09-07 |
| JP4870365B2 true JP4870365B2 (ja) | 2012-02-08 |
Family
ID=36913732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005047320A Expired - Fee Related JP4870365B2 (ja) | 2005-02-23 | 2005-02-23 | 生理用ナプキン |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7959622B2 (ja) |
| JP (1) | JP4870365B2 (ja) |
| KR (1) | KR101246445B1 (ja) |
| CN (2) | CN101810530B (ja) |
| TW (1) | TW200701962A (ja) |
Families Citing this family (99)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60323810D1 (de) | 2003-02-12 | 2008-11-13 | Procter & Gamble | Bequem Windel |
| EP2177189B1 (en) | 2003-02-12 | 2015-11-04 | The Procter and Gamble Company | Absorbent core for an absorbent article |
| JP4227031B2 (ja) * | 2004-01-16 | 2009-02-18 | ユニ・チャームペットケア株式会社 | ペット用吸収シート |
| JP5114043B2 (ja) * | 2006-11-22 | 2013-01-09 | ユニ・チャーム株式会社 | 吸収性物品 |
| JP5105884B2 (ja) * | 2007-01-17 | 2012-12-26 | 花王株式会社 | 吸収性物品 |
| US8502013B2 (en) * | 2007-03-05 | 2013-08-06 | The Procter And Gamble Company | Disposable absorbent article |
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-
2005
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2006
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- 2006-02-17 KR KR1020060015566A patent/KR101246445B1/ko not_active Expired - Fee Related
- 2006-02-23 CN CN201010157803XA patent/CN101810530B/zh not_active Expired - Fee Related
- 2006-02-23 CN CN200610008861XA patent/CN1823695B/zh not_active Expired - Fee Related
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|---|---|
| CN101810530B (zh) | 2012-07-18 |
| KR101246445B1 (ko) | 2013-03-21 |
| CN1823695B (zh) | 2012-08-22 |
| US20060189954A1 (en) | 2006-08-24 |
| KR20060094028A (ko) | 2006-08-28 |
| JP2006230596A (ja) | 2006-09-07 |
| TW200701962A (en) | 2007-01-16 |
| CN1823695A (zh) | 2006-08-30 |
| CN101810530A (zh) | 2010-08-25 |
| US7959622B2 (en) | 2011-06-14 |
| TWI317275B (ja) | 2009-11-21 |
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