JP6745719B2 - 吸収複合材、吸収複合材を用いた吸収物品、並びに吸収複合材及び/又は吸収物品の製造方法、製造システム、及び製造装置 - Google Patents
吸収複合材、吸収複合材を用いた吸収物品、並びに吸収複合材及び/又は吸収物品の製造方法、製造システム、及び製造装置 Download PDFInfo
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- JP6745719B2 JP6745719B2 JP2016524309A JP2016524309A JP6745719B2 JP 6745719 B2 JP6745719 B2 JP 6745719B2 JP 2016524309 A JP2016524309 A JP 2016524309A JP 2016524309 A JP2016524309 A JP 2016524309A JP 6745719 B2 JP6745719 B2 JP 6745719B2
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- 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
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- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
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Description
本願は、2013年7月3日に出願された米国特許仮出願第61/842,961号(係属中)及び2013年7月9日に出願された米国特許仮出願第61/843,986号(係属中)の優先権主張出願である。これら米国特許仮出願の各々を全ての目的に関して当該参照によりここに引用し、その記載内容を本明細書の一部とする。
Claims (18)
- 使い捨て吸収物品中に組み込み可能な吸収コア複合材であって、
ベース層を提供する第1の材料層と、
トップ層を提供し、前記第1の材料層に複数の結合部位で少なくとも部分的に固定されていて前記第1の材料層との間に複数のポケットを規定する第2の伸長可能な材料層と、
前記ポケット内に収納された前記第1の材料層上の吸収性粒子の凝集体と、
を備え、
各ポケットは、固定初期容積を有しており、
前記第1の材料層は、前記第2の材料層及び前記ポケットに対して扁平であり、
前記第1の材料層は、前記ポケットの横方向の長さを規定するように延在しており、
各ポケット内で、前記第2の材料層は、前記第1の材料層から鉛直方向に離れており、
前記吸収性粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
前記凝集体は、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
前記ポケットは、前記固定初期容積を規定すると共に前記凝集体を保持する初期形態を有し、
前記凝集体の前記集成膨潤体積を受け入れるよう、使用中、前記初期ポケット形態を変更する手段が設けられており、
前記結合部位は、前記ポケットの結合パターンを規定しており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第2の材料層の材料は、前記扁平な周囲の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記結合部位の各々は、永続的な結合部位であって、前記ポケットの拡張形態において前記第1及び第2の材料層が当該結合部位で結合されている、吸収コア複合材。 - 前記吸収性粒子は、SAPであり、
前記変更手段は、増大したポケット容積が前記集成膨潤体積を受け入れるという拡張形態に向かって前記ポケットが前記初期形態から拡張可能であることを含み、
前記集成膨潤体積は、前記集成乾燥体積よりも大きい、請求項1記載の吸収コア複合材。 - 前記変更手段は、前記第2の材料層が前記ポケット内におけるSAP凝集体の膨潤に応答して伸長可能又は拡張可能であることを含む、請求項2記載の吸収コア複合材。
- 前記第2の材料層は、拡張可能である波形外面を有する、請求項3記載の吸収コア複合材。
- 前記伸長可能である第2の材料層は、長手方向に延びていて且つ側方に伸張可能である複数の折り目を有する不織布層である、請求項3記載の吸収コア複合材。
- 使い捨て吸収物品中に組み込み可能な吸収コア複合材であって、
ベース層を提供する第1の材料層と、
トップ層を提供し、前記第1の材料層に複数の結合部位をエンボス加工することで少なくとも部分的に固定されていて前記第1の材料層との間に複数のポケットを規定する第2の材料層と、
前記ポケット内に収納された前記第1の材料層上の吸収性粒子の凝集体と、
を備え、
各ポケットは、固定初期容積を有しており、
前記第1の材料層は、前記第2の材料層及び前記ポケットに対して扁平であり、
前記第1の材料層は、各ポケットの横方向の長さを規定するように延在しており、
各ポケット内で、前記第2の材料層は、前記第1の材料層から鉛直方向に離れており、
前記吸収性粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
各ポケットについて、前記凝集体は、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
前記集成膨潤体積は、前記初期ポケット容積よりも大きく、
各ポケットは、前記初期容積を規定する初期形態から拡張形態に向かって拡張可能であり、
前記結合部位は、前記ポケットの結合パターンを規定しており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第2の材料層は、前記結合部位から当該結合部位の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記結合部位の各々は、永続的な結合部位であって、前記ポケットの前記初期形態と前記拡張形態とにおいて前記第1及び第2の材料層を結合しており、当該拡張形態は液体飽和状態と関連した集成膨潤体積を収容する拡張形態を含む、吸収コア複合材。 - 前記吸収性粒子は、SAP粒子であり、
前記ポケットの前記拡張形態は、前記ポケット内におけるSAP凝集体の膨潤に応答している、請求項6記載の吸収コア複合材。 - 前記第2の材料層は、伸長形態に伸長可能であり、
前記拡張形態は、前記伸長形態における前記第2の材料層により少なくとも部分的に規定される、請求項7記載の吸収コア複合材。 - 前記伸長可能な第2の材料層は、側方に間隔を置いて位置する波形部を有する波形表面を有している、請求項8記載の吸収コア複合材。
- 前記伸長可能な第2の材料層は、複数の折り目を有している、請求項8記載の吸収コア複合材。
- 使い捨て吸収物品中に組み込み可能な吸収コア複合材であって、
ベース層を提供する第1の材料層と、
前記第1の材料層に複数の結合部位をエンボス加工することで少なくとも部分的に固定されていて複数のポケットを規定する第2の伸長可能な材料層と、
前記複数のポケットの各々に収納された前記第1の材料層上の吸収性粒子の凝集体と、
を備え、
前記複数のポケットの各々は、固定初期容積を有しており、
前記第1の材料層は、前記第2の材料層及び前記ポケットに対して扁平であり、
各ポケット内で、前記第2の材料層は、前記第1の材料層から鉛直方向に離れており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第2の材料層の材料は、前記扁平な周囲の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記結合部位の各々は、永続的な結合部位であり、
前記吸収性粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
各ポケットについて、前記凝集体は、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
前記集成膨潤体積は、前記初期ポケット容積よりも大きく、
各ポケットは、前記初期容積を部分的に規定する初期形態から、増大したポケット容積が前記集成膨潤体積を受け入れるという拡張形態に向かって、拡張可能であり、
各ポケットに関し、前記第2の材料層は、感圧形態を有し、前記凝集体が前記集成膨潤体積に変換することによって生じる圧力が、前記初期容積を部分的に定める初期形態から増大したポケット容積が前記集成膨潤体積を受け入れる拡張形態へと向かう前記第2の材料層の拡張を開始させるようになっている、吸収コア複合材。 - 前記第2の材料層は、波形表面を有し、複数個の波形部が前記初期形態において存在し、前記第2の形態では存在せず、
前記波形部は、全体として当該吸収コア複合材の長手方向に差し向けられている、請求項11記載の吸収コア複合材。 - 使い捨て吸収物品であって、
第1の端マージン部と当該第1の端マージン部から長手方向に間隔を置いて位置する第2の端マージン部とにより構成されたシャーシ本体と
トップシートと、
バックシートと、
前記トップシートと前記バックシートとの間に設けられた吸収コア複合材と、
を備え、
前記端マージン部は、当該吸収物品の着用中、ユーザの腰周りに位置決めされる前側及び後側ウエスト領域を部分的に規定しており、
前記吸収コア複合材は、
ベース層を提供する第1の不織布層と、
トップ側の身体側の層を提供し、前記第1の不織布層に複数の結合部位をエンボス加工することで少なくとも部分的に固定されていて前記第1の不織布層との間に固定初期容積を有する複数のポケットを規定する第2の不織布層と、
前記ポケット内に収容されていて前記固定初期容積の一部分を占めるSAP粒子の凝集体と、
を含んでおり、
各ポケットは、固定初期容積を有しており、
前記第1の不織布層は、前記第2の不織布層及び前記ポケットに対して扁平であり、
各ポケットの横方向の長さは、前記第1の不織布層の広がりによって規定されており、
各ポケット内で、前記第2の不織布層は、前記第1の不織布層から鉛直方向に離れており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第2の材料層の材料は、前記扁平な周囲の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記結合部位の各々は、永続的な結合部位であり、
前記SAP粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
各ポケットについて、前記凝集体は、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
前記ポケットは、前記凝集体を保持する初期形態を有しており、
前記第2の不織布層の外面は、前記ポケットの前記初期形態では表面不連続部を呈し、当該不連続部を除去して前記ポケットを増大したポケット容積を規定する拡張形態にするように伸張可能である、使い捨て吸収物品。 - 前記不連続部は、前記外面の伸張時に除去可能である折り目を含む、請求項13記載の使い捨て吸収物品。
- 前記不連続部は、前記外面の伸張時に伸張可能であるプリーツを含む、請求項14記載の使い捨て吸収物品。
- 前記不連続部は、前記外面の伸張時に伸張可能である波形部を含む、請求項14記載の使い捨て吸収物品。
- 使い捨て吸収衣料品中に組み込み可能な吸収複合材を製造する方法であって、
第1の不織布層の第1のシートを運搬するステップと、
吸収性粒子を前記第1のシート上に堆積させるステップと、
第2の不織布層の第2のシートの表面を変形させて側方に伸長可能な表面不連続部を形成するステップと、
当該第2の不織布層の当該第2のシートを前記堆積された吸収性粒子及び前記第1のシートの上方に被着させ、それにより吸収性粒子をサンドイッチした前記2つの材料層を含む複合材を形成するステップと、
前記第1及び前記第2の材料層の間に複数のポケットを規定する永続的な結合部位によって両者を結合して前記吸収性粒子を両者の間に少なくとも部分的に固定するステップと、
を備え、
各ポケットは、固定初期容積を有しており、
前記第1の材料層は、前記第2の材料層及び前記ポケットに対して偏平であり、
各ポケット内で、前記第2の材料層は、前記第1の材料層から鉛直方向に離れており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第2の材料層の材料は、前記扁平な周囲の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記吸収性粒子の凝集体が各ポケット内に収納されて、前記固定初期容積の一部を占めており、
前記吸収性粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
前記凝集体は、各ポケットについて、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
各ポケットは、前記凝集体を保持する初期形態を有し、
前記第2の不織布層は、前記伸長可能な表面不連続部を除去して前記ポケットを増大したポケット容積を規定する拡張形態にするように、伸張可能である、方法。 - 前記第1の材料層に複数の結合部位で少なくとも部分的に固定されていて前記第1の材料層との間に複数のポケットを規定する第3の材料層と、
前記ポケット内に収納された前記第1の材料層上の吸収性粒子の凝集体と、
を更に備え、
各ポケットは、固定初期容積を有しており、
前記第1の材料層は、前記第3の材料層及び前記ポケットに対して扁平であり、
各ポケット内で、前記第3の材料層は、前記第1の材料層から鉛直方向に離れており、
前記吸収性粒子は、乾燥状態と関連した乾燥体積及び液体飽和状態と関連した膨潤体積を有することを特徴とし、
前記凝集体は、集成乾燥体積及び集成膨潤体積を有することを特徴とし、
前記ポケットは、前記固定初期容積を規定すると共に前記凝集体を保持する初期形態を有し、
前記凝集体の前記集成膨潤体積を受け入れるよう、使用中、前記初期ポケット形態を変更する手段が設けられており、
前記結合部位は、前記ポケットの結合パターンを規定しており、
前記結合部位は、各ポケットの扁平な周囲を規定しており、
前記第3の材料層の材料は、前記扁平な周囲の上方と前記ポケット内に収容された前記凝集体の上方とに位置しており、
前記結合部位の各々は、永続的な結合部位であって、前記ポケットの拡張形態において前記第1及び第3の材料層が当該結合部位で結合されている、請求項1記載の吸収コア複合材。
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