JP2020500793A - 調整雰囲気包装用の包装体および方法 - Google Patents
調整雰囲気包装用の包装体および方法 Download PDFInfo
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title claims description 11
- 230000001143 conditioned effect Effects 0.000 title claims description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 62
- 239000011888 foil Substances 0.000 claims abstract description 50
- 230000004888 barrier function Effects 0.000 claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 description 3
- 210000003811 finger Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
Description
底部と起立周壁とを有する、フランジのない厚紙トレイと、
周壁の縁部の頂部に配置されたプラスチック製フランジであって、プラスチック製フランジは、断面において、トレイの底部と実質的に平行となるように水平に延在する第1部分と、第1部分から周壁の外側に沿って下方に垂下する第2部分と、第2部分の反対側で、第1部分から周壁の内側に沿って垂下する第3部分とを有する、プラスチック製フランジと、
厚紙トレイの内側に付着されて前記内側を覆っており、プラスチック製フランジにわたって延在して、フランジのない厚紙トレイ上にプラスチック製フランジを固定する、プラスチック製バリアフォイルと、を備えている。
断面において、水平に延在する第1部分と、第1部分から垂下する第2部分とを有するプラスチック製フランジを、例えば射出成形または深絞り成形によって設けるステップと、
展開された厚紙シートを用意し、展開シートを金型に挿入して、底部および起立周壁を有する、フランジのない厚紙トレイを形成するステップと、
プラスチック製フランジの第2部分が周壁の外側に沿って下方に延在するように、起立周壁の上縁部上にプラスチック製フランジを位置決めするステップと、
プラスチック製バリアフォイルをプラスチック製フランジにわたって設け、前記プラスチック製バリアフォイルを加熱し、前記加熱されたプラスチック製バリアフォイルを形成済みの厚紙トレイ内に押し込み、これによって前記プラスチック製バリアフォイルが厚紙トレイの内側に付着されて前記内側を覆い、またプラスチック製フランジにわたって延在して、プラスチック製フランジをフランジのない厚紙トレイ上に固定するステップと、を含む。
Claims (10)
- 調整雰囲気包装用の包装体であって、
底部と起立周壁とを有する、フランジのない厚紙トレイと、
前記周壁の縁部の頂部に配置されたプラスチック製フランジであって、前記プラスチック製フランジは、断面において、前記トレイの前記底部と実質的に平行となるように水平に延在する第1部分と、前記第1部分から前記周壁の外側に沿って下方に垂下する第2部分と、前記第2部分の反対側で、前記第1部分から前記周壁の内側に沿って垂下する第3部分とを有する、プラスチック製フランジと、
前記厚紙トレイの内側に付着されて、前記内側を覆っており、前記プラスチック製フランジにわたって延在して、前記フランジのない厚紙トレイ上に前記プラスチック製フランジを固定するプラスチック製バリアフォイルと、を備えている、調整雰囲気包装用の包装体。 - 少なくとも1つのスペーサ突起部が、前記プラスチック製フランジの前記第1部分に配置されており、前記少なくとも1つのスペーサ突起部は、前記周壁の外側に沿って下方に垂下している、
請求項1に記載の包装体。 - 前記プラスチック製フランジは、前記フランジの幅にわたって延在するミシン目を備えており、引き裂きリップが、前記ミシン目に隣接した前記プラスチック製フランジに配置されている、
請求項1または2に記載の包装体。 - 前記フランジのない厚紙トレイは、展開シートから折り込まれており、前記フランジのない厚紙トレイの底部は、丸み付けられた角部を有しており、スリットが、前記底部の丸み付けられた角部と前記周壁との間に形成されている、
請求項1から3のいずれか1つに記載の包装体。 - カバーフォイルが、前記プラスチック製フランジ上に封着されている、
請求項1から4のいずれか1つに記載の包装体。 - いくつかの位置決め孔が、前記周壁の上部に沿って設けられている、
請求項1から5のいずれか1つに記載の包装体。 - 少なくとも1つのフラップが、より良好は把持のために、前記周壁に開口部を設けるように、前記周壁に配置されている、
請求項1から6のいずれか1つに記載の包装体。 - 請求項1〜7のいずれか1つに記載の包装体を製造する方法であって、
断面において、水平に延在する第1部分と前記第1部分から垂下する第2部分とを有するプラスチック製フランジを、例えば射出成形または深絞り成形によって設けるステップと、
展開された厚紙シートを用意し、前記展開されたシートを金型に挿入して、底部と起立周壁とを有するフランジのない厚紙トレイを形成するステップと、
前記プラスチック製フランジの前記第2部分が前記周壁の外側に沿って下方に延在するように、前記プラスチック製フランジを、前記起立周壁の上縁部上に位置決めするステップと、
前記プラスチック製フランジにわたってプラスチック製バリアフォイルを設け、前記プラスチック製バリアフォイルを加熱し、前記加熱されたプラスチック製バリアフォイルを形成済みの前記厚紙トレイ内に押し込み、これによって前記プラスチック製バリアフォイルが前記厚紙トレイの内側に付着され、かつ前記内側を覆い、また前記プラスチック製フランジにわたって延在して、前記プラスチック製フランジを前記フランジのない厚紙トレイ上に固定するステップと、を含む、包装体を製造するための方法。 - 前記プラスチック製フランジが前記起立周壁の上縁部上に位置決めされる前に、前記プラスチック製バリアフォイルは、最初に、前記プラスチック製フランジに固定される、
請求項8に記載の方法。 - 前記フランジのない厚紙トレイを折り込んだ後、スリットが、前記底部と前記周壁の底縁部との間に設けられ、低圧を前記フランジのない厚紙トレイの外側に発生させて、その結果、前記加熱されたプラスチック製バリアフォイル上の圧力差によって、前記加熱されたプラスチック製バリアフォイルが、前記厚紙トレイ内に押し込まれる、
請求項8または9に記載の方法。
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IT202100014300A1 (it) * | 2021-06-01 | 2022-12-01 | Ipack S R L | Sistema di saldatura di un elemento di rinforzo su un contenitore per alimenti |
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