JP2014526341A - 機械的締結具、締結装置、及び使い捨て吸収性物品 - Google Patents
機械的締結具、締結装置、及び使い捨て吸収性物品 Download PDFInfo
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Abstract
Description
本出願は、2011年9月16日に出願された米国特許仮出願第61/535,639号及び2012年6月1日に出願された同第61/654,492号に基づく優先権を主張するものであり、これらの開示内容の全ては、参照により本明細書に組み込まれる。
第1の実施形態では、本開示は、
熱可塑性裏材と、
熱可塑性裏材に取り付けられる近位端と、柱の断面積よりも広い面積のキャップを含む遠位端と、を備える柱を有する、複数の直立締結要素と、を含み、
複数の直立締結要素は、最大300マイクロメートルの高さを有し、機械的締結具の坪量は、1平方メートル当たり25グラム〜1平方メートル当たり75グラムの範囲である、機械的締結具を提供する。
実施例1〜19、比較例1(3M社(St.Paul,MN)から入手可能な部品番号CHK−01324)、及び例示的実施例1〜5を、米国特許第5,845,375号(Millerら)に記載される方法を使用して、商品名「C700−35N」でDow Chemical Company(Midland,MI)から入手可能なエチレン−プロピレンコポリマーから調製した。実施例1〜19の機械的締結ストリップを正方配列又は千鳥配列に並べ、1平方センチメートル当たり271〜542の範囲の直立締結要素の密度とした。271/cm2の密度を有する機械的締結ストリップを、542/cm2の密度を有するストリップを縦方向に2:1の延伸比で機械延伸することで調製した。縦方向に2:1の延伸比で例示的実施例4及び5を延伸することで、それぞれ実施例3及び4を調製した。柱は、円錐形又は矩形であった。米国特許第5,868,987号(Kampferら)に記載のプロセスによって、「溝付きキャップ」を有する直立締結要素を調製した。用語「隆起」とは、柱を越えて延出する遠位キャップのオーバーハング部分が裏材に向かって押し下げられるように再形成されたキャップをいう(米国特許第6,132,660号(Kampfer)に記載される再形成におけるプロセス)。
キャップオーバーハング(μm)=(キャップ直径−キャップの下の柱の直径)/2
BI=キャップオーバーハング/キャップが形成された柱の高さ
キャップ相対密度=キャップ集合体面積/機械的締結具の面積
剪断強度及び剥離強度に関する試験を用いて、実施例1〜19、比較例1〜2、及び例示的実施例1〜5の機械的締結ストリップの解放性能特性を測定した。一定温度(23℃±2℃)及び相対湿度(50%±5%)のもとで全試験を行った。全ての材料及び装置は、試験に先立って最小24時間、これらの条件で均衡させた。データ記録のためのコンピュータ及び必要な荷重範囲を備えた不変定数率の拡張引張試験器具を使用した(Instron Engineering Corporation(Canton,MA)から入手可能なシリーズ4200、4500、又は5500)。全試験において、器具のクロスヘッド速度を305mm/分に設定し、剥離距離は少なくとも32mmとした。
Claims (15)
- 機械的締結具であって、
熱可塑性裏材と、
前記熱可塑性裏材に取り付けられる近位端と、柱の断面積よりも広い面積のキャップを含む遠位端を備える柱と、を有する、複数の直立締結要素と、を含み、
前記複数の直立締結要素は、最大300マイクロメートルの高さを有し、前記機械的締結具の坪量は、1平方メートル当たり25グラム〜1平方メートル当たり75グラムの範囲である、機械的締結具。 - 前記直立締結要素は、最大285マイクロメートルの高さを有する、請求項1に記載の機械的締結具。
- 前記キャップは、前記柱の少なくとも2つの対向側面において、柱を越えて延出する、請求項1に記載の機械的締結具。
- 前記直立締結要素の高さは、少なくとも100マイクロメートルである、請求項1〜3のいずれか一項に記載の機械的締結具。
- 前記熱可塑性裏材は、20マイクロメートル〜80マイクロメートルの範囲の厚さを有する、請求項1〜4のいずれか一項に記載の機械的締結具。
- 前記キャップは、前記柱を越えてオーバーハング距離だけ延出し、前記オーバーハング距離は、5マイクロメートル〜85マイクロメートルの範囲である、請求項1〜5のいずれか一項に記載の機械的締結具。
- 前記オーバーハング距離を前記高さで割った商は、最大0.6である、請求項1〜6のいずれか一項に記載の機械的締結具。
- 直立締結要素は、前記熱可塑性裏材中に、1平方センチメートル当たり248〜1平方センチメートル当たり542の密度範囲で存在する、請求項1〜7のいずれか一項に記載の機械的締結具。
- 前記熱可塑性裏材は、少なくとも1つの方向に、延伸によって誘導される分子配向を有する、請求項1〜8のいずれか一項に記載の機械的締結具。
- 請求項1〜9のいずれか一項に記載の機械的締結具と、前記機械的締結具と係合するためのループ材料と、を含む、締結装置。
- 前記ループ材料は、1平方メートル当たり10グラム〜1平方メートル当たり30グラムの範囲の繊維坪量を有する、請求項10に記載の締結装置。
- 前記ループ材料は、1平方メートル当たり20グラム〜1平方メートル当たり30グラムの範囲の繊維坪量を有し、前記機械的締結具は、少なくとも2000重量グラムの剪断強度を有するループ材料と係合する、請求項11に記載の締結装置。
- 請求項1〜9のいずれか一項に記載の機械的締結具を含む、吸収性物品。
- 前側腰区域及び後側腰区域を更に含み、前記前側腰区域及び前記後側腰区域のうちの少なくとも1つは前記機械的締結具を有し、前記前側腰区域及び前記後側腰区域のうちの少なくとも1つは、1平方メートル当たり10グラム〜1平方メートル当たり20グラムの範囲の繊維坪量を有するループ材料を含む、請求項13に記載の吸収性物品。
- 前記吸収性物品は、少なくとも1つのトップシート、1つの吸収性コア、1つのバックシートを有する吸収性パッドであって、前記バックシートは、請求項1〜9のいずれか一項に記載の機械的締結具を含む、請求項13に記載の吸収性物品。
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JP2024079106A Pending JP2024116138A (ja) | 2011-09-16 | 2024-05-15 | 機械的締結具、締結装置、及び使い捨て吸収性物品 |
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JP2020081667A Pending JP2020142097A (ja) | 2011-09-16 | 2020-05-07 | 機械的締結具、締結装置、及び使い捨て吸収性物品 |
JP2022065962A Pending JP2022109926A (ja) | 2011-09-16 | 2022-04-13 | 機械的締結具、締結装置、及び使い捨て吸収性物品 |
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EP (1) | EP2755621A1 (ja) |
JP (5) | JP2014526341A (ja) |
KR (2) | KR102245694B1 (ja) |
CN (1) | CN103764089B (ja) |
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Also Published As
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JP2018086273A (ja) | 2018-06-07 |
TW201328731A (zh) | 2013-07-16 |
JP2022109926A (ja) | 2022-07-28 |
JP2020142097A (ja) | 2020-09-10 |
MX360348B (es) | 2018-10-30 |
EP2755621A1 (en) | 2014-07-23 |
MY185301A (en) | 2021-04-30 |
KR20210002751A (ko) | 2021-01-08 |
MX2014002357A (es) | 2014-04-07 |
KR102245694B9 (ko) | 2024-08-22 |
CN103764089B (zh) | 2016-04-13 |
US10165833B2 (en) | 2019-01-01 |
CN103764089A (zh) | 2014-04-30 |
KR102197781B9 (ko) | 2024-07-17 |
WO2013040156A1 (en) | 2013-03-21 |
KR102245694B1 (ko) | 2021-04-27 |
JP2024116138A (ja) | 2024-08-27 |
KR20140062135A (ko) | 2014-05-22 |
US20140350507A1 (en) | 2014-11-27 |
BR112014004836B1 (pt) | 2022-01-25 |
TWI597074B (zh) | 2017-09-01 |
KR102197781B1 (ko) | 2021-01-04 |
BR112014004836A2 (pt) | 2017-04-04 |
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