[{"data":1,"prerenderedAt":234},["ShallowReactive",2],{"\u002Farticles\u002Fbag-making\u002Fbag-making-heat-seal":3},{"id":4,"title":5,"body":6,"category":225,"description":226,"extension":227,"meta":228,"navigation":229,"path":230,"seo":231,"stem":232,"__hash__":233},"content\u002Farticles\u002Fbag-making\u002Fbag-making-heat-seal.md","製袋の「ヒートシール」とは？",{"type":7,"value":8,"toc":215},"minimark",[9,13,22,26,104,107,110,132,135,138,141,162,165,179,182,201,204],[10,11,5],"h1",{"id":12},"製袋のヒートシールとは",[14,15,16,17,21],"p",{},"フィルムを重ねて熱を加え、溶かしてくっつけることで「袋」の形にする工程を",[18,19,20],"strong",{},"ヒートシール","と呼びます。パッケージの密封性を守る、最も重要な技術の一つです。",[23,24,25],"h2",{"id":25},"ヒートシールのイメージ図",[27,28,33,33,34,33,43,33,33,53,33,33,78,33,33,81,33,88,33,93],"svg",{"width":29,"height":30,"viewBox":31,"xmlns":32},"400","250","0 0 400 250","http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg","\n  ",[35,36],"rect",{"x":37,"y":38,"width":39,"height":40,"fill":41,"rx":42},"50","30","300","40","#757575","5",[44,45,52],"text",{"x":46,"y":47,"textAnchor":48,"fontSize":49,"fontWeight":50,"fill":51},"200","55","middle","14","bold","#fff","加熱バー (ヒートシールバー)",[54,55,57,58,57,64,57,57,66,33],"g",{"transform":56},"translate(50,80)","\n    ",[35,59],{"x":60,"y":60,"width":39,"height":61,"fill":62,"stroke":63},"0","15","#e1f5fe","#03a9f4",[35,65],{"x":60,"y":61,"width":39,"height":61,"fill":62,"stroke":63},[35,67,70,71,57],{"x":60,"y":68,"width":39,"height":68,"fill":69,"opacity":60},"10","#ffcc80","\n      ",[72,73],"animate",{"attributeName":74,"values":75,"dur":76,"repeatCount":77},"opacity","0;1;0","2s","indefinite",[35,79],{"x":37,"y":80,"width":39,"height":40,"fill":41,"rx":42},"120",[82,83],"path",{"d":84,"stroke":85,"strokeWidth":86,"markerEnd":87},"M 200 10 L 200 25 M 200 185 L 200 170","#ef5350","3","url(#arrow)",[44,89,92],{"x":46,"y":90,"textAnchor":48,"fontSize":49,"fontWeight":50,"fill":91},"210","#c62828","熱 ＋ 圧力 ＋ 時間",[94,95,57,96,33],"defs",{},[97,98,70,101,57],"marker",{"id":99,"markerWidth":68,"markerHeight":68,"refX":42,"refY":42,"orient":100},"arrow","auto",[82,102],{"d":103,"fill":85},"M 0 0 L 10 5 L 0 10 Z",[23,105,106],{"id":106},"ヒートシールの三要素",[14,108,109],{},"ヒートシールを成功させるためには、以下の3つのバランスが極めて重要です。",[111,112,113,120,126],"ol",{},[114,115,116,119],"li",{},[18,117,118],{},"温度 (Temperature)",":\n内側のフィルム（シーラント）が溶けるのに十分な温度が必要です。",[114,121,122,125],{},[18,123,124],{},"圧力 (Pressure)",":\n溶けた樹脂同士を隙間なく密着させるための力が必要です。",[114,127,128,131],{},[18,129,130],{},"時間 (Time)",":\n熱がフィルムの芯まで伝わり、樹脂が融合するまでの時間が必要です。",[14,133,134],{},"これらは**「シールの三要素」**と呼ばれ、一つでも欠けると「シール不良（漏れ）」の原因になります。",[136,137],"hr",{},[23,139,140],{"id":140},"ヒートシールの種類",[142,143,144,150,156],"ul",{},[114,145,146,149],{},[18,147,148],{},"面シール",": 広い面積を一度に熱板で押さえる一般的な方法。",[114,151,152,155],{},[18,153,154],{},"溶断（溶断シール）",": 熱した細い線（ヒーター線）で、溶かしながら同時にカットする方法。レジ袋などに多い。",[114,157,158,161],{},[18,159,160],{},"超音波シール",": 熱ではなく超音波の振動で樹脂を摩擦熱で溶かす方法。液体が入った状態でもシールしやすい。",[23,163,164],{"id":164},"実務での注意点",[142,166,167,173],{},[114,168,169,172],{},[18,170,171],{},"熱板の汚れ",": 溶けた樹脂が熱板にこびりつくと、シール面が汚れたり穴が開いたりします。テフロンテープなどで保護します。",[114,174,175,178],{},[18,176,177],{},"冷却",": 熱で溶かした後は、すぐに**「冷却バー」**で冷やして固めることが、きれいなシール面を作るコツです。",[23,180,181],{"id":181},"まとめ",[111,183,184,189,195],{},[114,185,186,188],{},[18,187,20],{},"は「熱・圧力・時間」でフィルムを溶着させる技術。",[114,190,191,194],{},[18,192,193],{},"シーラント層","（PEやCPP）があるからこそ、袋の形にできる。",[114,196,197,198,200],{},"シール直後の",[18,199,177],{},"まで含めて、一つの工程として管理します。",[23,202,203],{"id":203},"参考文献",[142,205,206,209,212],{},[114,207,208],{},"日本包装学会 編『包装学便覧』",[114,210,211],{},"製袋機メーカー各社の技術マニュアル",[114,213,214],{},"JIS Z 1707（食品包装用プラスチックフィルム通則）",{"title":216,"searchDepth":217,"depth":217,"links":218},"",2,[219,220,221,222,223,224],{"id":25,"depth":217,"text":25},{"id":106,"depth":217,"text":106},{"id":140,"depth":217,"text":140},{"id":164,"depth":217,"text":164},{"id":181,"depth":217,"text":181},{"id":203,"depth":217,"text":203},"製袋","フィルムを熱で溶かして袋にする「ヒートシール」。温度・圧力・時間の三要素と、強力に接着する仕組みを解説します。","md",{},true,"\u002Farticles\u002Fbag-making\u002Fbag-making-heat-seal",{"title":5,"description":226},"articles\u002Fbag-making\u002Fbag-making-heat-seal","MGzQypq-jG2U0R5uXXNcDjcSOZWexy1hzCxz0VlyeYU",1780414755505]