JP2019532853A - 断熱性および保管性が向上した包装シートの製造方法 - Google Patents
断熱性および保管性が向上した包装シートの製造方法 Download PDFInfo
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- 238000007789 sealing Methods 0.000 description 2
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
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- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
また、前記d)段階は、前記成形フィルムの密閉された凸型突条の一部分を切断刃でカットして開放させる段階で行われ、また、前記d)段階は、前記成形フィルムの密閉された凸型突条の一部分を針で刺して開放させる段階で行われ得る。
前記成形フィルム110の上方に膨らんだ前記凸型突条111は、前記成形フィルム110の前側から後側へ一定の間隔で複数設けられる。
Claims (15)
- a)前側から後側へ膨らんだ凸型突条が一定の間隔で成形され、前記凸型突条の内部、および前記凸型突条同士の間に形成される空間へ流体が注入される成形フィルムを製造する段階と、
b)一端部が前記成形フィルムの一端部よりも一側に長く延設される下側フィルムを、前記成形フィルムの下側に接合して前記凸型突条を密閉させる段階と、
c)一端部が前記成形フィルムの一端部よりも一側に長く延設される上側フィルムを前記密閉された前記成形フィルムの凸型突条上に接合する段階と、
d)前記成形フィルムの密閉された凸型突条の一部分を開放させる段階と、
e)前記成形フィルム、前記下側フィルムおよび前記上側フィルムを一対の回転ローラー同士の間に通過させて前記成形フィルム、前記下側フィルムおよび前記上側フィルムを圧着しながら一部分が開放された前記成形フィルムの凸型突条の流体を抜く段階と、
g)他端部が接合された前記下側フィルム、前記成形フィルムおよび前記上側フィルム、または他端部が接合されていない前記下側フィルム、前記成形フィルムおよび前記上側フィルムを巻取ローラーの外面にロール状に巻き取る段階とを含んでなることを特徴とする、断熱性および保管性が向上した包装シートの製造方法。 - 前記下側フィルムの一端部の上面または前記上側フィルムの一端部の下面にチェックバルブが備えられることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記チェックバルブは一定の間隔で前記下側フィルムの一端部の上面または前記上側フィルムの一端部の下面に備えられることを特徴とする、請求項2に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記チェックバルブの注入口を除いた前記下側フィルムの一端部と前記上側フィルムの一端部とを接合して注入空間を形成する段階をさらに含むことを特徴とする、請求項2に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記成形フィルムは、外周面に前記凸型突条と対応する形状の成形溝が一定の間隔で設けられた真空成形ローラーに熱可塑性合成樹脂を溶融押出して製造することを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記成形フィルムは、熱可塑性合成樹脂フィルムを、前記凸型突条に対応する形状の成形突条が一定の間隔で設けられた加熱成形ローラーを用いて成形して製造することを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記d)段階は、前記成形フィルムの密閉された凸型突条の一部分を切断刃でカットして開放させることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記d)段階は、前記成形フィルムの密閉された凸型突条の一部分を針で刺して開放させることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記下側フィルムと前記上側フィルムとの間ごとに前記成形フィルムが位置するように、前記下側フィルムと前記上側フィルムが交互に上下に積層された状態で接合され、
前記下側フィルムの一端部の上面及び前記上側フィルムの一端部の上面にチェックバルブが備えられることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。 - 前記成形フィルムの凸型突条内に気体が充填されることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記気体が空気または不活性ガスであることを特徴とする、請求項10に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記成形フィルムの凸型突条内に液体が充填されることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記液体が水であることを特徴とする、請求項12に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記上側フィルムの上部または前記下側フィルムの下部に光反射層が備えられるか、或いは前記上側フィルムの上部と前記下側フィルムの下部の両方に前記光反射層が備えられることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
- 前記上側フィルムの上部または前記下側フィルムの下部にカバー層が備えられるか、或いは前記上側フィルムの上部と前記下側フィルムの下部の両方に前記カバー層が備えられることを特徴とする、請求項1に記載の断熱性および保管性が向上した包装シートの製造方法。
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