JP7213826B2 - 拡張可能なスリットシートストック材料、ダンネージ変換システム、及び、拡張方法 - Google Patents
拡張可能なスリットシートストック材料、ダンネージ変換システム、及び、拡張方法 Download PDFInfo
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- JP7213826B2 JP7213826B2 JP2019555691A JP2019555691A JP7213826B2 JP 7213826 B2 JP7213826 B2 JP 7213826B2 JP 2019555691 A JP2019555691 A JP 2019555691A JP 2019555691 A JP2019555691 A JP 2019555691A JP 7213826 B2 JP7213826 B2 JP 7213826B2
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Description
本出願は、2017年4月10日に出願された米国特許出願第62/483,688号に基づく優先権を主張し、上記出願は、参照することによりその全体が本明細書に援用される。
[技術分野]
本発明は、概して、シートストック材料、ダンネージ変換システム、及び、シートストック材料をダンネージ製品に変換するための方法に関し、より詳細には、拡張可能なスリットシートストック材料、ダンネージ変換システム、及び、スリットシートストック材料を拡張ダンネージ製品に変換するための方法、に関する。
[背景]
1つ以上の物品を、ある場所から別の場所へ輸送する過程において、梱包者は、通常、例えば段ボール箱などの輸送コンテナ内に、輸送される1つ以上の物品と共に何らかのダンネージ材を配置する。ダンネージ材は、通常、物品を包装するため、または、コンテナ内の物品の周囲の空間または空隙容積を、部分的に、または、完全に充填するために用いられる。空隙容積を充填することにより、ダンネージは、輸送工程中の損傷を引き起こしうる物品の移動を阻止するか、または、最小限にする。ダンネージは、また、遮断、固定、または、緩衝機能を果たすことも可能である。いくつかの一般的に用いられるダンネージ材は、発泡プラスチックピーナッツ(plastic foam peanuts)、プラスチックバブルパック(plastic bubble pack)、エアバッグ、及び、加工紙ダンネージ材である。
[発明の概要]
既存のスリットシートストック材料が、結果として得られる適切な拡張ダンネージ製品を提供するために用いられうる一方で、既存のストック材料は、理想的な製造工程を有していないかもしれず、全ての用途にとって理想的ではないかもしれず、または、スリットシートストック材料を拡張するための全てのダンネージ変換システムで使用するために理想的ではないかもしれない。変換用のスリットシート材料の設計においては、拡張用のスリットを開放するために必要な張力と、例えば、未拡張のスリットシート材料を巻き取る間、または、スリットシート材料の拡張の間などに、スリットシート材料の引き裂きを回避するための、張力下におけるシート材料の十分な強度と、の間のバランスをとらなければならない。
それぞれのスリットは、それぞれのスリットの上流側と、上流側から縦方向に間隔をあける下流側と、の間に十分に延在する1つ以上のさらなる非スリット補強つなぎをその中に有してもよい。
スリットシートストック材料は紙を含んでもよい。
スリットシートストック材料は、ロールを形成するために巻き取られてもよい。
スリットシートストック材料を、拡張ダンネージ製品に変換するための例示的なアセンブリは、スリットシートストック材料と、スリットシートストック材料を供給部から引き出す手段と、補強つなぎを破断する手段と、スリットを開放する手段と、を備えてもよい。
共通の一組の対向するローラのうちのそれぞれのローラは、スリットシートストック材料に係合するための複数の接触部を有してもよく、接触部は、それぞれのローラのそれぞれの長手方向の軸に沿って間隔をあけ、接触部は、それらの間に間隔をあける中間部よりも、それぞれの長手方向の軸から半径方向にさらに遠くに延出する。
本発明は、例えば、未拡張のストック材料の製造中、または、ストック材料の拡張の間などに、スリットシートストック材料の複数のスリットの開放を一時的に制限することを補助するように構成される改善された拡張可能なスリットシートストック材料を提供する。改善されたスリットシートストック材料は、ストック材料の製造または拡張に関して、歩留まり及び性能を改善しうる。改善された性能は、製造または拡張の間のストック材料の最小限の詰まり、及び、最小限の引き裂きのうちの一方、または、両方を含むであろう。
Claims (16)
- 供給支持部で支持可能である、拡張可能なスリットシートストック材料であって、
横方向に延在し、縦方向に間隔をあける複数のスリット列に配置される複数の拡張可能なスリットであって、前記それぞれのスリットは、縦方向に拡張可能であり、前記それぞれのスリットは、前記それぞれのスリットの上流側から下流側に延在する非スリット補強つなぎをその中に有し、前記下流側は前記上流側から縦方向に間隔をあけ、前記非スリット補強つなぎは、前記複数のスリットの開放を一時的に制限し、前記非スリット補強つなぎ、または、前記1つ以上のさらなる非スリット補強つなぎのうちの1つ、のうちの少なくとも1つは、他の前記非スリット補強つなぎ及び前記1つ以上のさらなる非スリット補強つなぎと比較して、異なる長さで横方向に延在する、複数の拡張可能なスリット、を有し、
縦方向に間隔をあける複数の前記スリット列のそれぞれは、縦方向に間隔をあけて隣接する上流スリット列、及び、縦方向に間隔をあけて隣接する下流スリット列から横方向にオフセットされる、
拡張可能なスリットシートストック材料。 - それぞれの前記非スリット補強つなぎは、前記それぞれのスリットを、横方向に間隔をあけて対向するスリット部に分離する、請求項1に記載の拡張可能なスリットシートストック材料。
- 前記それぞれのスリットは、前記それぞれのスリットの前記上流側と、前記上流側から縦方向に間隔をあける前記下流側と、の間に延在する1つ以上のさらなる非スリット補強つなぎをその中に有する、請求項1及び2の何れか1項に記載の拡張可能なスリットシートストック材料。
- 前記非スリット補強つなぎ、及び、前記1つ以上のさらなる非スリット補強つなぎは、前記それぞれのスリットを、同一の長さで横方向に延在する、横方向に間隔をあけて対向するスリット部に分離する、請求項3に記載の拡張可能なスリットシートストック材料。
- 前記非スリット補強つなぎ、及び、前記1つ以上のさらなる非スリット補強つなぎは、前記それぞれのスリットを、少なくとも2つの異なる長さで横方向に延在する、横方向に間隔をあけたスリット部に分離する、請求項3に記載の拡張可能なスリットシートストック材料。
- 前記複数の拡張可能なスリットのうちの少なくとも1つのスリットは、前記それぞれのスリットの前記上流側と、前記上流側から縦方向に間隔をあける前記下流側と、の間に延在する、1つのさらなる非スリット補強つなぎをその中に有し、前記少なくとも1つのスリットは対向するスリット端点の間に横方向に延在し、前記非スリット補強つなぎ及び前記さらなる非スリット補強つなぎのそれぞれと、それぞれの前記対向するスリット端点との間の間隔は、前記非スリット補強つなぎと前記さらなる非スリット補強つなぎとの間の間隔よりも小さい、請求項1及び2の何れか1項に記載の拡張可能なスリットシートストック材料。
- 結果として得られる拡張製品が、未拡張の当該拡張可能なスリットシートストック材料に比べて低い密度を有するように、縦方向、横方向、及び、厚さが拡張するように構成される、請求項1~6の何れか1項に記載の拡張可能なスリットシートストック材料。
- 前記それぞれのスリットの前記非スリット補強つなぎは、前記それぞれのスリットの縦方向への拡張の間にも、縦方向に分離された対向する破断部に分離するように構成される、請求項1~7の何れか1項に記載の拡張可能なスリットシートストック材料。
- 当該スリットシートストック材料は紙を含む、請求項1~8の何れか1項に記載の拡張可能なスリットシートストック材料。
- 当該拡張可能なスリットシートストック材料は、リサイクル可能、生分解可能であり、且つ、再生可能資源により構成される、請求項1~9の何れか1項に記載の拡張可能なスリットシートストック材料。
- 当該スリットシートストック材料は、ロールを形成するために巻き取られる、請求項1~10の何れか1項に記載の拡張可能なスリットシートストック材料。
- 拡張可能なスリットシートストック材料から拡張ダンネージ製品を作成する方法であって、
供給ロールを形成するように巻き取られた、または、供給スタックにファンフォールドされた請求項1~11の何れか1項に記載の前記スリットシートストック材料を供給するステップ、
供給部から前記シートストック材料を引き出すステップ、
前記補強つなぎを破断するステップ、
前記スリットを開放するステップ、
を含み、
前記開放及び破断するステップは、前記シートストック材料に対して、前記スリットを横断する縦方向に力を加えることを含む、
方法。 - 前記破断及び開放するステップは、それぞれのスリット列に対して並行して発生する、請求項12に記載の方法。
- スリットシートストック材料を、拡張ダンネージ製品に変換するためのアセンブリであって、
請求項1~11の何れか1項に記載の前記スリットシートストック材料と、
前記スリットシートストック材料を供給部から引き出す手段と、
前記補強つなぎを破断する手段と、
前記スリットを開放する手段と、
を備えるアセンブリ。 - 前記破断する手段及び前記開放する手段は、共通の一組の対向するローラを備える、請求項14に記載のアセンブリ。
- 前記共通の一組の対向するローラのそれぞれのローラは、前記スリットシートストック材料に係合するための複数の接触部を有し、前記接触部は、前記それぞれのローラのそれぞれの長手方向の軸に沿って間隔をあけ、前記接触部は、それらの間に間隔をあける中間部よりも、前記それぞれの長手方向の軸から半径方向にさらに遠くに延出する、請求項15に記載のアセンブリ。
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