[{"data":1,"prerenderedAt":226},["ShallowReactive",2],{"\u002Farticles\u002Fquality\u002Fwhat-is-pinhole":3},{"id":4,"title":5,"body":6,"category":217,"description":218,"extension":219,"meta":220,"navigation":221,"path":222,"seo":223,"stem":224,"__hash__":225},"content\u002Farticles\u002Fquality\u002Fwhat-is-pinhole.md","「ピンホール」とは？",{"type":7,"value":8,"toc":203},"minimark",[9,13,22,27,82,85,90,93,103,107,110,117,121,124,131,134,138,141,161,164,189,192],[10,11,5],"h1",{"id":12},"ピンホールとは",[14,15,16,17,21],"p",{},"「袋が膨らんでいるはずなのに、しぼんでいる」「真空パックの中身が腐っている」。こうしたトラブルの多くは、",[18,19,20],"strong",{},"ピンホール","が原因です。ピンホールとは、針で突いたような目に見えないほど小さな穴のことです。",[23,24,26],"h2",{"id":25},"ピンホールのイメージ漏れる","ピンホールのイメージ（漏れる！）",[28,29,34,34,35,34,34,45,34,57,34,34,64],"svg",{"width":30,"height":31,"viewBox":32,"xmlns":33},"400","200","0 0 400 200","http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg","\n  ",[36,37],"rect",{"x":38,"y":38,"width":39,"height":40,"fill":41,"stroke":42,"strokeWidth":43,"rx":44},"50","300","100","#e1f5fe","#03a9f4","2","10",[46,47,49,50,34],"circle",{"cx":31,"cy":40,"r":43,"fill":48},"#ef5350","\n    ",[51,52],"animate",{"attributeName":53,"values":54,"dur":55,"repeatCount":56},"r","2;5;2","1s","indefinite",[58,59,63],"text",{"x":31,"y":60,"textAnchor":61,"fontSize":44,"fill":62},"130","middle","#c62828","ピンホール (目に見えない穴)",[65,66,49,68,34],"g",{"opacity":67},"0.6",[46,69,72,73,72,78,49],{"cx":31,"cy":40,"r":70,"fill":71},"3","#81d4fa","\n      ",[51,74],{"attributeName":75,"values":76,"dur":77,"repeatCount":56},"cy","100;20;100","2s",[51,79],{"attributeName":80,"values":81,"dur":77,"repeatCount":56},"cx","200;220;200",[23,83,84],{"id":84},"ピンホールが発生する主な3つの原因",[86,87,89],"h3",{"id":88},"_1-突き刺しピンホール","1. 突き刺しピンホール",[14,91,92],{},"中身の尖ったもの（骨付き肉、乾燥パスタ、凍った食品など）が内側からフィルムを突き破る。",[94,95,96],"ul",{},[97,98,99,102],"li",{},[18,100,101],{},"対策",": ナイロン（NY）などの突き刺しに強いフィルムを厚く使う。",[86,104,106],{"id":105},"_2-屈曲くっきょくピンホール","2. 屈曲（くっきょく）ピンホール",[14,108,109],{},"輸送中の振動で袋が細かく揺れ、折り目や角が何度もこすれることで穴が開く。",[94,111,112],{},[97,113,114,116],{},[18,115,101],{},": 柔軟性のあるフィルムを選んだり、ダンボールの中の隙間をなくして「遊び」を減らす。",[86,118,120],{"id":119},"_3-摩耗まもうピンホール","3. 摩耗（まもう）ピンホール",[14,122,123],{},"袋同士、あるいは袋と箱がこすれて、表面が削れて穴が開く。",[94,125,126],{},[97,127,128,130],{},[18,129,101],{},": 外側に強いPETフィルムを使ったり、オーバーラミネートで保護する。",[132,133],"hr",{},[23,135,137],{"id":136},"現場での検査方法リークテスト","現場での検査方法：リークテスト",[14,139,140],{},"ピンホールがあるかどうかを調べるために、現場では以下のような検査を行います。",[94,142,143,149,155],{},[97,144,145,148],{},[18,146,147],{},"水中加圧テスト",": 袋を水の中に沈めて空気を送り込み、泡が出てこないか確認する。",[97,150,151,154],{},[18,152,153],{},"吸引テスト",": 真空状態にして、一定時間たっても空気が入ってこないか確認する。",[97,156,157,160],{},[18,158,159],{},"浸透液テスト",": 赤い検査液（着色液）を袋に入れ、外側に染み出してこないか確認する。",[23,162,163],{"id":163},"まとめ",[165,166,167,172,182],"ol",{},[97,168,169,171],{},[18,170,20],{},"は、パッケージの密封性を壊す最大の敵。",[97,173,174,177,178,181],{},[18,175,176],{},"中身の形状","や",[18,179,180],{},"輸送条件","を考えて、適切なフィルム構成（厚みや素材）を選ぶ必要がある。",[97,183,184,185,188],{},"事故を未然に防ぐために、製造ラインでの定期的な",[18,186,187],{},"リークテスト","が欠かせません。",[23,190,191],{"id":191},"参考文献",[94,193,194,197,200],{},[97,195,196],{},"日本包装学会 編『包装学便覧』",[97,198,199],{},"軟包装衛生協議会 トラブル事例集",[97,201,202],{},"フィルムメーカー各社の耐ピンホール試験データ",{"title":204,"searchDepth":205,"depth":205,"links":206},"",2,[207,208,214,215,216],{"id":25,"depth":205,"text":26},{"id":84,"depth":205,"text":84,"children":209},[210,212,213],{"id":88,"depth":211,"text":89},3,{"id":105,"depth":211,"text":106},{"id":119,"depth":211,"text":120},{"id":136,"depth":205,"text":137},{"id":163,"depth":205,"text":163},{"id":191,"depth":205,"text":191},"品質・トラブル","袋に開いた目に見えないほどの小さな穴、ピンホール。その発生原因（突き刺し・屈曲）と対策を詳しく解説します。","md",{},true,"\u002Farticles\u002Fquality\u002Fwhat-is-pinhole",{"title":5,"description":218},"articles\u002Fquality\u002Fwhat-is-pinhole","qdfjn7OZJoPzVcwtzTJ5lZFKAkWPZ82wp8mhhiKIRiA",1791454731744]