JP4518322B2 - 吸収性がゾーンをなした吸収体物品及びその製造方法 - Google Patents
吸収性がゾーンをなした吸収体物品及びその製造方法 Download PDFInfo
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- JP4518322B2 JP4518322B2 JP2004523459A JP2004523459A JP4518322B2 JP 4518322 B2 JP4518322 B2 JP 4518322B2 JP 2004523459 A JP2004523459 A JP 2004523459A JP 2004523459 A JP2004523459 A JP 2004523459A JP 4518322 B2 JP4518322 B2 JP 4518322B2
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- Prior art keywords
- absorbent
- absorbent article
- layer
- core
- sap
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- Expired - Fee Related
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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
- A61F13/53—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
-
- 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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
-
- 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
- A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/53051—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
-
- 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
- A61F2013/53445—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 from several sheets
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)
- Laminated Bodies (AREA)
Description
での流体保持性能が改善された吸収体衣料を提供することである。本発明の一実施例の追
加の特徴は、SAP粒子をその坪量のかなりの割合で含有するが、これと同時にゲル閉塞
を減少する、即ち高いSAP効率を保持する吸収体コアを含む吸収体衣料を提供すること
である。本発明の追加の特徴は、吸収体コアの選択された領域に特定の所望の性質を備え
た、製造が比較的安価な、上述の改良された特徴を提供する、快適に着用できる吸収体物
品を提供することである。
図1は、本発明の吸収体衣料10(好ましくは、使い捨て吸収体衣料)の例示の実施例の一部を切除した図である。図1に示す実施例は乳児用おむつであるが、この図は本発明を限定しようとするものではなく、本発明がこの他の種類の吸収体物品を含むということは当業者には理解されよう。しかしながら、簡単にするため、乳児用おむつを参照して本発明を説明する。図1の衣料10は、平らに広げた状態で身体に面する側を下に向けて示してある。様々な弾性構成要素は、明瞭化を図るために弾性を取り除いた弛緩状態で示してある(弛緩状態にある場合には、代表的には、弾性により周囲材料にギャザー又は「シャー」が形成される)。平らな状態では、衣料10は全体に砂時計形状の構造を有するが、所与の用途に適した、矩形形状、台形形状、「T」形状、等の任意の他の形状を備えていてもよい。
する。ウェスト包囲領域は、例えば着用者の身体のウェストの背中側の領域と隣接して配
置された第1ウェスト領域12、及び例えば着用者の身体のウェストの腹側の領域と隣接
して配置された第2ウェスト領域14を含む。第1及び第2のウェスト領域12、14は
、衣料10の対象となる着用者の前側又は後側のいずれに取り付けられるのかに応じて、
着用者の身体の腹側及び背側と夫々対応する。第1及び第2のウェスト領域は横縁部18
のところで又は横縁部の近くで互いに接合されており、これにより衣料10の長さ方向先
端縁部20でウェスト開口部の周囲を形成する。股部領域16は、第1及び第2のウェスト領域12、14の間を延び、股部縁部22は、衣料10をその対象となる着用者に配置したとき、一対の脚部開口部の周囲を形成する。
12 第1ウェスト領域
14 第2ウェスト領域
16 股部領域
18 横縁部
20 長さ方向先端縁部
22 股部縁部
24 トップシート
26 バックシート
28 吸収体積層コア
30 弾性ギャザー
32 弾性ウェストフォーム
34 タブ
36 ファスニング機構
38 ターゲット
40 内方起立脚部ギャザー
100 衣料の長さ方向軸線
102 衣料の横方向軸線
Claims (24)
- 長さ方向寸法及び横方向寸法を持つ吸収体物品において、
トップシート、
バックシート、及び
少なくとも部分的に前記トップシートと前記バックシートとの間に配置された吸収体積層コアを含み、
前記吸収体積層コアは、
上層、
下層、及び
トウ繊維及びSAPの混合物を含む、前記上層と前記下層との間に配置された中央吸収体層を含み、
前記上層および前記下層のうちの少なくとも一方の内面上に接着剤が設けられ、
前記内面はその間の前記中央吸収体層に隣接して配置されており、前記接着剤は所定の位置に設けられ、これにより前記内面上の接着剤と接触するSAPの繊維が前記接着剤に接着して前記所定の位置においてSAPのより高い濃度を形成し、
前記吸収体積層コアは、前記所定の位置に前記SAPのより高い濃度により吸収性が変化する領域を含む、吸収体物品。 - 請求項1に記載の吸収体物品において、前記物品は、第1ウェスト領域、長さ方向で前記第1ウェスト領域の反対側の第2ウェスト領域、第1及び第2のウェスト領域間の股部領域を有し、前記物品は前記第1ウェスト領域の横縁部に取り付けられた少なくとも一つのファスニングエレメント、及び
前記物品の前記第2ウェスト領域に取り付けられた一つ又はそれ以上のターゲット装置を含み、
前記少なくとも一つのファスニングエレメント及び前記一つ又はそれ以上のターゲット装置は互いに取り付けることができ、前記一つ又はそれ以上のターゲット装置は、前記衣料の前記第1ウェスト領域及び第2ウェスト領域が互いに接合されて衣料を着用者に固定するように配置されている、吸収体物品。 - 請求項2に記載の吸収体物品において、前記股部領域の横縁部と隣接して配置された一つ又はそれ以上の弾性材料を含む弾性脚部ギャザー、及び前記股部領域の横縁部と隣接して前記トップシートに配置された起立脚部ギャザーを更に含む、吸収体物品。
- 請求項2に記載の吸収体物品において、前記少なくとも一つのファスニングエレメントはフック−ループファスナのフック部分を含み、前記一つ又はそれ以上のターゲット装置はフック−ループファスナのループ部分を含む、吸収体物品。
- 請求項2に記載の吸収体物品において、前記少なくとも一つのファスニングエレメントは接着剤テープを含み、前記一つ又はそれ以上のターゲット装置はテープ受け入れ表面を含む、吸収体物品。
- 請求項2に記載の吸収体物品において、前記少なくとも一つのファスニングエレメントは前記第1ウェスト領域の前記横縁部に配置された横方向に延びる一対のタブを含み、これらの横方向に延びるタブの各々は少なくとも一つのファスニングエレメントを含む、吸収体物品。
- 請求項1に記載の吸収体物品において、少なくとも一つの追加の層が吸収体積層コアとトップシートとの間に配置されている、吸収体物品。
- 請求項7に記載の吸収体物品において、前記少なくとも一つの追加の層は、流体捕捉層、分配層、SAPを随意に含有する追加の繊維質層、毛管作用層、貯蔵層、及びこれらの組み合わせ及び部分からなる群から選択される、吸収体物品。
- 請求項1に記載の吸収体物品において、吸収体積層コアは少なくとも一つの追加の層を含む、吸収体物品。
- 請求項9に記載の吸収体物品において、前記少なくとも一つの追加の層は、流体捕捉層、分配層、SAPを随意に含有する追加の繊維質層、毛管作用層、貯蔵層、及びこれらの組み合わせ及び部分からなる群から選択される、吸収体物品。
- 請求項1に記載の吸収体物品において、前記吸収体積層コアは、二つの外薄葉紙層、及び超吸収体ポリマー(SAP)を約50重量%乃至約95重量%含有する繊維質中央層を含む多層吸収体コアユニットである、吸収体物品。
- 請求項11に記載の吸収体物品において、前記繊維質中央層は、酢酸セルロース繊維、レーヨン繊維、リオセル(LYOCELL)繊維、ポリアクリロニトリル繊維、綿繊維、及び綿リンター繊維からなる群から選択されたトウ繊維を含む、吸収体物品。
- 請求項11に記載の吸収体物品において、前記繊維質中央層は、最大10重量%のフラッフ木材パルプ繊維を更に含む、吸収体物品。
- 請求項11に記載の吸収体物品において、繊維質中央層は、粒状添加剤を更に含む、吸収体物品。
- 請求項1に記載の吸収体物品において、前記トウはセルロースエステルトウである、吸収体物品。
- 請求項15に記載の吸収体物品において、前記トウは酢酸セルローストウである、吸収体物品。
- 請求項1に記載の吸収体物品において、前記上下の層は、同じ材料で形成されており、材料は、薄葉紙、空気堆積フラッフパルプ、合成不織材料、及びこれらの混合物又は組み合わせからなる群から選択される、吸収体物品。
- 請求項17に記載の吸収体物品において、前記上層は流体透過性であり、前記下層は流体不透過性である、吸収体物品。
- 請求項1に記載の吸収体物品において、前記所定の位置は、前記積層コアの横縁部に隣接した位置のみである、吸収体物品。
- 請求項1に記載の吸収体物品において、前記吸収体物品はさらに、前記吸収体物品の略長さ方向中央に位置する横方向の中央折り目線を有し、前記所定の位置は、前記吸収体積層コアの横方向中央部分を含み、前記吸収体物品の前記中央折り目線から約6cm乃至約12cmの長さ方向位置のところである、吸収体物品。
- 請求項1に記載の吸収体物品において、前記吸収体物品はさらに、前記吸収体物品の略長さ方向中央に位置する横方向の中央折り目線を有し、前記所定の位置は、前記吸収体積層コアの横方向中心部分を含み、前記吸収体物品の前記中央折り目線から約3cm乃至約8cmの長さ方向位置のところである、吸収体物品。
- 請求項1に記載の吸収体物品において、前記吸収体積層コアの前記横縁部には、クリンプ加工が施してある、吸収体物品。
- 請求項1に記載の吸収体物品において、前記吸収体積層コアの前記長さ方向縁部には、クリンプ加工が施してある、吸収体物品。
- 請求項1に記載の吸収体物品において、前記トウは化学的に改質したトウである、吸収体物品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/200,334 US7759540B2 (en) | 2002-07-23 | 2002-07-23 | Absorbent articles containing absorbent cores having zoned absorbency and methods of making same |
PCT/US2003/022218 WO2004009008A1 (en) | 2002-07-23 | 2003-07-17 | Absorbent articles having zoned absorbency and methods of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005533571A JP2005533571A (ja) | 2005-11-10 |
JP4518322B2 true JP4518322B2 (ja) | 2010-08-04 |
Family
ID=30769533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004523459A Expired - Fee Related JP4518322B2 (ja) | 2002-07-23 | 2003-07-17 | 吸収性がゾーンをなした吸収体物品及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7759540B2 (ja) |
EP (1) | EP1551345A1 (ja) |
JP (1) | JP4518322B2 (ja) |
AU (1) | AU2003249293A1 (ja) |
CA (1) | CA2492455C (ja) |
MX (1) | MXPA05000905A (ja) |
WO (1) | WO2004009008A1 (ja) |
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WO2004009008A1 (en) | 2004-01-29 |
CA2492455C (en) | 2011-03-15 |
AU2003249293A1 (en) | 2004-02-09 |
CA2492455A1 (en) | 2004-01-29 |
MXPA05000905A (es) | 2005-03-23 |
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