JP6896633B2 - 調整内部雰囲気を有する洗浄製品のウェブ及び製造方法 - Google Patents
調整内部雰囲気を有する洗浄製品のウェブ及び製造方法 Download PDFInfo
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Description
2015年1月14日出願の米国特許出願第14/596,984号の優先権の利益が主張され、その内容全体が、参照により本明細に明示的に組み込まれている。
Claims (27)
- 洗浄製品のウェブであって、
その上面に形成された複数の凹部を有する第1の担持シートと、
前記複数の凹部に配置され、かつ洗浄組成物が入っている複数のパウチと、
前記複数のパウチのそれぞれ内に封入された第1の内部雰囲気と、
前記第1の担持シートの前記上面に封止され、かつ前記複数のパウチを、それらの対応する凹部内に封入する、第2の担持シートと、
前記複数のパウチのそれぞれのパウチの上に、前記パウチの上かつ前記第2の担持シートの下の領域に閉じ込められた第2の内部雰囲気と、を備え、前記第2の内部雰囲気が、前記パウチ、及び前記パウチ内の前記洗浄組成物の少なくとも一部分が、前記パウチを下方向に押す前記第2の内部雰囲気によって、前記第1の担持シートにおける前記複数の凹部のそれぞれの凹部に圧縮されるように、前記第1の内部雰囲気よりも大きな絶対圧を有する、ウェブ。 - 前記複数のパウチが水溶性材料で作製されている、請求項1に記載のウェブ。
- 前記第1及び第2の担持シートが、耐水性材料で作製されている、請求項1または2に記載のウェブ。
- 前記第1の内部雰囲気が、真空であり、かつ実質的にゼロに等しい絶対圧を有する、請求項1〜3のいずれか1項に記載のウェブ。
- 前記第2の内部雰囲気が、大気圧以上の絶対圧を有する、請求項1〜4のいずれか1項に記載のウェブ。
- 前記第1の内部雰囲気が、空気とは異なる気体混合物を含む、請求項1〜5のいずれか1項に記載のウェブ。
- 前記複数のパウチのそれぞれが、
前記第1の担持シートに熱成形され、かつ前記洗浄組成物で満たされた内ホルダと、
前記内ホルダの開放端部に封止され、かつそれを覆う内蓋と、を備える、請求項1〜6のいずれか1項に記載のウェブ。 - 前記複数の凹部のそれぞれが、前記第2の内部雰囲気が入っている別々の封止された内部空洞を画定するように、前記第2の担持シートが、前記複数の凹部のそれぞれの縁周りで、前記第1の担持シートに対して封止される、請求項1〜7のいずれか1項に記載のウェブ。
- 前記複数の凹部のそれぞれの前記縁周りで、前記第1の担持シートにおいて形成された第1の複数の弱化引裂き線、及び前記第2の担持シートにおいて形成されて、前記複数の凹部と対応する複数の外蓋を画定する第2の複数の弱化引裂き線を備え、前記第2の複数の弱化引裂き線のそれぞれが、前記第1の複数の弱化引裂き線のうちの対応する1つに揃えられている、請求項8に記載のウェブ。
- 洗浄製品であって、
その上面に形成された凹部を有する第1の耐水性担持シートと、
前記凹部に配置され、かつ洗浄組成物が入っている水溶性パウチと、
前記水溶性パウチ内に封入された第1の内部雰囲気と、
前記凹部の縁周りで、前記第1の耐水性担持シートの前記上面に対して封止された第2の耐水性担持シートと、
前記水溶性パウチの上に、前記パウチの上かつ前記第2の耐水性担持シートの下の領域に閉じ込められた第2の内部雰囲気と、を備え、第2の内部雰囲気が、前記水溶性パウチ、及び前記洗浄組成物の少なくとも一部分が、前記パウチを下方向に押す前記第2の内部雰囲気によって、前記第1の耐水性担持シートにおける前記凹部に圧縮されるように、前記第1の内部雰囲気よりも大きな絶対圧を有する、洗浄製品。 - 前記第1の内部雰囲気が、真空であり、かつ実質的にゼロに等しい絶対圧を有する、請求項10に記載の洗浄製品。
- 前記第2の内部雰囲気が、大気圧以上の絶対圧を有する、請求項10または11に記載の洗浄製品。
- 前記パウチが、前記第1の耐水性担持シートに熱成形された内ホルダと、前記内ホルダの開放端部に封止され、かつそれを覆う内蓋と、を含む、請求項10〜12のいずれか1項に記載の洗浄製品。
- 前記洗浄組成物が、食器洗い洗剤、洗濯洗剤、硬水軟化剤、またはすすぎ補助剤のうちの少なくとも1つである、請求項10〜13のいずれか1項に記載の洗浄製品。
- 前記水溶性パウチが、前記第1の耐水性担持シートにおける前記凹部の周りに、前記第1の耐水性担持シートの前記上面に対して封止された、外向きに延在する周縁フランジを含む、請求項10〜14のいずれか1項に記載の洗浄製品。
- 前記第2の内部雰囲気が、前記水溶性パウチの外壁と前記凹部の内壁との間に存在しないように、前記水溶性パウチの前記外壁が、前記第1の耐水性担持シートにおける前記凹部の前記内壁と面一である、請求項10〜15のいずれか1項に記載の洗浄製品。
- 洗浄製品のウェブを作製する方法であって、
第1のフィルムを、第1の担持シートを覆うように位置付けることと、
前記第1のフィルム及び前記第1の担持シートを、前記第1の担持シートが型と前記第1のフィルムとの間に位置付けられた状態で、成形機の前記型に送り込むことと、
前記型上で前記第1のフィルムと前記担持シートを同時に成形して、複数の内ホルダを前記第1のフィルムに、また前記複数の内ホルダと対応する、複数の外ホルダを前記第1の担持シートに、画定することと、
前記複数の内ホルダのそれぞれを、洗浄組成物で満たすことと、
第2のフィルムを、前記第1のフィルムを覆うように位置付けることと、
前記第1のフィルムと前記第2のフィルムとの間の空気を抜くことと、
前記複数の内ホルダのそれぞれの縁周りで前記第2のフィルムを封止して、複数のパウチを画定し、第1の内部雰囲気を前記複数のパウチのそれぞれのパウチ内に封入することと、
外圧が、前記複数のパウチ、及び前記複数のパウチ内の前記洗浄組成物の少なくとも一部分を、前記第1の担持シートにおける前記複数の外ホルダに圧縮するように、前記複数のパウチを、前記複数のパウチのそれぞれのパウチの第1の内部雰囲気の内圧よりも大きな前記外圧に晒すことと、
前記複数のパウチを前記外圧に晒す一方で第2の担持シートを前記第1の担持シートに封止して、前記複数のパウチを、それらの対応する外ホルダに封入し、前記第1の担持シートと前記第2の担持シートの間に第2の内部雰囲気を閉じ込めること、を含み、ここで、前記第2の内部雰囲気は前記複数のパウチのそれぞれのパウチの上かつ前記第2の担持シートの下の領域に閉じ込められ、前記水溶性パウチ、及び前記洗浄組成物の少なくとも一部分が、前記複数のパウチのそれぞれのパウチを下方向に押す前記第2の内部雰囲気によって、前記第1の担持シートにおける前記複数の外ホルダのそれぞれの外ホルダに圧縮されるように、前記第2の内部雰囲気が前記第1の内部雰囲気よりも大きな絶対圧を有する、方法。 - 前記第1及び第2のフィルムが、水溶性材料で作製されている、請求項17に記載の方法。
- 前記第1及び第2の担持シートが、耐水性材料で作製されている、請求項17または18に記載の方法。
- 前記第2の担持シートを、前記外ホルダのそれぞれの縁周りで封止することを含む、請求項17〜19のいずれか1項に記載の方法。
- 前記複数のパウチのそれぞれの前記内圧が実質的にゼロに等しいように、前記第2のフィルムを、実質的にゼロに等しい絶対圧を有する真空室の中の前記第1のフィルムに封止することを含む、請求項17〜20のいずれか1項に記載の方法。
- 前記第2のフィルムに複数の孔を形成し、前記第2のフィルムを前記第1のフィルムに封止した後、前記複数の孔を通して、前記複数のパウチから空気を抜くことを含む、請求項17〜21のいずれか1項に記載の方法。
- 前記複数の孔を通して、前記複数のパウチから前記空気を抜いた後、前記複数の孔を封止して閉じることを含む、請求項22に記載の方法。
- 前記複数のパウチのそれぞれを、空気とは異なる気体混合物で満たすことを含む、請求項17〜23のいずれか1項に記載の方法。
- 前記第1のフィルム及び前記第2のフィルムを切断し、前記第1のフィルム及び前記第2のフィルムを切断することにより生じた不用な材料の領域を取り除いて、前記複数のパウチを分けることを含む、請求項17〜24のいずれか1項に記載の方法。
- 前記複数の外ホルダのそれぞれが、それぞれの封止された内部空洞を画定するように、前記第2の担持シートを、前記複数の外ホルダのそれぞれの縁周りで、前記第1の担持シートに対して封止することを含む、請求項17〜25のいずれか1項に記載の方法。
- 前記外ホルダのそれぞれの前記縁周りで、前記第1の担持シートにおいて第1の複数の弱化引裂き線を形成し、かつ前記第2の担持シートにおいて第2の複数の弱化引裂き線を形成して、前記複数の外ホルダと対応する複数の外蓋を画定することを含み、前記第2の複数の弱化引裂き線のそれぞれが、前記第1の複数の弱化引裂き線のうちの対応する1つに揃えられている、請求項26に記載の方法。
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PCT/US2016/013130 WO2016115187A1 (en) | 2015-01-14 | 2016-01-13 | Web of cleaning products having a modified internal atmosphere and method of manufacture |
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