JP7516343B2 - 包装材料の製造方法 - Google Patents
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Description
Claims (15)
- コア材料層(140)及びそれに積層された少なくとも1つのポリマー層(142、145、147)を含む包装材料(100)であって、
前記コア材料層(140)は、形成される包装容器(10)の底端コーナー(PC1、PC2、PC3、PC4)に前記包装材料(100)を折り曲げるのを補助するように構成された少なくとも1つの領域(C1~C4)を備え、
前記包装材料(100)は、前記包装容器(10)の底端(BP)を形成するように設計された折り目線の第1のセット(132)と、前記包装容器(10)の主要本体(MB)を形成するように設計された折り目線の第2のセット(134)とを含み、
前記少なくとも1つの領域(C1、C2、C3、C4)は、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する折り目線の第1のセット(132)の複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端され、
前記少なくとも1つの領域(C1、C2、C3、C4)の前記終端された折り目線(LCC、DC、BC’)が、1つの横方向折り目線(BC’)と、1つの長手方向折り目線(LCC)と、1つの斜めの折り目線(DC)とを含む、包装材料(100)。 - コア材料層(140)及びそれに積層された少なくとも1つのポリマー層(142、145、147)を含む包装材料(100)であって、
前記コア材料層(140)は、形成される包装容器(10)の底端コーナー(PC1、PC2、PC3、PC4)に前記包装材料(100)を折り曲げるのを補助するように構成された少なくとも1つの領域(C1~C4)を備え、
前記包装材料(100)は、前記包装容器(10)の底端(BP)を形成するように設計された折り目線の第1のセット(132)と、前記包装容器(10)の主要本体(MB)を形成するように設計された折り目線の第2のセット(134)とを含み、
前記少なくとも1つの領域(C1、C2、C3、C4)は、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する折り目線の第1のセット(132)の複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端され、
前記交差する折り目線(BC、LCB)が互いに垂直に配置される、包装材料。 - 前記折り目線の第1のセット(132)の終端された折り目線(LCC)の仮想延長部が、前記折り目線の第2のセット(134)の1つの交差する折り目線(LCB)と実質的に一致する、請求項1又は2に記載の包装材料。
- 前記交差する折り目線(BC、LCB)が互いに垂直に配置される、請求項1に記載の包装材料。
- 前記距離(D)が1~10mmである、請求項1~4のいずれか一項に記載の包装材料。
- 包装容器(10)の2つの後部底部コーナー(PC1、PC4)を形成するように構成された2つの領域(C1、C4)を含み、各領域(C1、C4)が、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する、前記折り目線の第1のセット(132)の複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端される、請求項1~5のいずれか一項に記載の包装材料。
- 前記領域(C1、C4)が、長手方向のシール領域(LSA)の反対側に配置された底部コーナー(PC1、PC4)を形成するように構成される、請求項6に記載の包装材料。
- 包装容器(10)の4つの底部コーナー(PC1、PC2、PC3、PC4)を形成するように構成された4つの領域(C1、C2、C3、C4)を含み、各領域(C1、C2、C3、C4)は、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する、折り目線の前記第1のセット(132)の複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端される、請求項1~7のいずれか一項に記載の包装材料。
- 前記三角形の折り目線(BC、LCB、LCC、DC、BC’)の断面が非対称である、請求項1~8のいずれか一項に記載の包装材料。
- 包装材料(100)をシール及び成形することによって製造される包装容器(10)であって、前記包装容器(10)は、関連する領域(C1、C2、C3、C4)で包装容器材料(100)を折り曲げることによって形成される少なくとも1つの底部コーナー(PC1、PC2、PC3、PC4)を含み、
前記少なくとも1つの底部コーナー(PC1、PC2、PC3、PC4)は、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)によって確定され、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端され、
前記少なくとも1つの領域(C1、C2、C3、C4)の前記終端された折り目線(LCC、DC、BC’)が、1つの横方向折り目線(BC’)と、1つの長手方向折り目線(LCC)と、1つの斜めの折り目線(DC)とを含む、包装容器(10)。 - 包装材料を製造するための方法であって、
形成される包装容器(10)の底端コーナー(PC1、PC2、PC3、PC4)に前記包装材料(100)を折り曲げるのを補助するように構成された少なくとも1つの領域(C1、C2、C3、C4)をコア材料層(140)に提供すること、及び、
前記包装容器(10)の底端(BP)を形成するように設計された折り目線の第1のセット(132)及び前記包装容器(10)の主要本体(MB)を形成するように設計された折り目線の第2のセット(134)を提供することを含み、その結果、前記少なくとも1つの領域(C1、C2、C3、C4)は、それぞれが三角形の断面を有する複数の折り目線(BC、LCB)の交差点(IX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(IX)を通る仮想延長部を有する折り目線の前記第1のセット(132)の複数の折り目線(LCC、DC、BC’)は、それらが前記交差点(IX)から距離(D)をとって終了するように終端され、
前記少なくとも1つの領域(C1、C2、C3、C4)の前記終端された折り目線(LCC、DC、BC’)が、1つの横方向折り目線(BC’)と、1つの長手方向折り目線(LCC)と、1つの斜めの折り目線(DC)とを含む、方法。 - 包装材料(100)のコア材料層(140)に折り目線(130)を提供するためのプレスツール(200)のプレート(220)であり、形成される包装容器(10)の底部コーナー(PC1、PC2、PC3、PC4)に前記包装材料(100)を折り曲げるのを補助する折り目線(BC、LCC、DC、LCB)を提供するように構成された少なくとも1つの領域(P1、P2、P3、P4)を含むプレート(220)であって、
前記少なくとも1つの領域(P1~P4)が、それぞれが三角形の断面を有する複数の隆起(PBC、PLCB)の交差点(PIX)を含み、一方、それぞれが三角形の断面を有し且つ前記交差点(PIX)を通る仮想延長部を有する折り目線の第1のセット(132)の複数の隆起(PLCC、PDC、PBC’)は、それらが前記交差点(PIX)から距離(D)をとって終了するように終端され、
前記少なくとも1つの領域(P1~P4)の終端された隆起(PLCC、PDC、PBC‘)は、1つの横方向隆起(PBC’)と、1つの長手方向隆起(PLCC)と、1つの斜めの隆起(PDC)とを含む、プレート(220)。 - 前記交差点(PIX)における前記隆起(PBC、PLCB)の全高は、前記交差点(PIX)から離れた単一の隆起(PBC、PLCB、PLCC、PDC、PBC’)の高さとほぼ同じである、請求項12に記載のプレート(220)。
- 前記交差点における前記隆起(PBC、PLCB)の全高が1~2mmである、請求項13に記載のプレート。
- 前記三角形の隆起(PBC、PLCB、PLCC;PDC、PBC’)の断面が非対称である、請求項12~14のいずれか一項に記載のプレート。
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