JP6970232B2 - 多層フィルム及び再封可能なフィルムパッケージ - Google Patents
多層フィルム及び再封可能なフィルムパッケージ Download PDFInfo
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- JP6970232B2 JP6970232B2 JP2020066677A JP2020066677A JP6970232B2 JP 6970232 B2 JP6970232 B2 JP 6970232B2 JP 2020066677 A JP2020066677 A JP 2020066677A JP 2020066677 A JP2020066677 A JP 2020066677A JP 6970232 B2 JP6970232 B2 JP 6970232B2
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- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D2575/52—Details
- B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
本出願は、2016年2月16日に出願された国際出願第PCT/US2016/018072号、2015年2月16日に出願された米国仮出願第62/116,813号、及び2015年7月21日に出願された米国仮出願第62/195,059号に関連する、2016年8月15日に出願された米国特許仮出願番号第62/375,283号に対する優先権を主張し、その全体が参照として本明細書に組み込まれる。
本発明は、例えば、以下を提供する。
(項目1)
パッケージであって、
第1のフィルム層と第2のフィルム層、及び前記第1のフィルム層と前記第2のフィルム層との間の埋込み共押出結合層を有する多層フィルムであって、前記第1のフィルム層は前記第1のフィルム層内に形成された第1の切込みを有し、前記第1の切込みは前記第1のフィルム層から、少なくとも前記埋込み共押出結合層まで延在している、多層フィルムと、
接着積層体層を介して前記多層フィルムの前記第1のフィルム層に接着されたベースフィルムであって、前記接着積層体層は、前記多層フィルムと前記ベースフィルムが前記ベースフィルムと前記多層フィルムとの間に非接着領域を有する多プライ多層フィルムを形成するように構成されている、ベースフィルムと、
前記ベースフィルム内に配置され、前記ベースフィルムを通って延在する外側切込みであって、前記外側切込みは前記埋込み共押出結合層まで、又は少なくとも部分的に前記埋込み共押出結合層を通って延在し、前記外側切込みの一部は前記非接着領域と一致して部分的にプルタブを形成する、外側切込みと、
前記第1の切込み及び前記外側切込みから内側に配置された内側切込みであって、前記内側切込みは前記第2のフィルム層から少なくとも前記埋込み共押出結合層まで延在する、内側切込みと、を備え、
前記パッケージは、再密閉可能な開口部であって、再密閉周縁部が前記第1の切込みによって部分的に画定され、再密閉可能パネルが前記外側切込みによって部分的に画定され、前記再密閉可能な開口部が前記内側切込みによって部分的に画定されて形成される、再密閉可能な開口部を有する、パッケージ。
(項目2)
前記第1のフィルム層及び前記第2のフィルム層は、前記埋込み共押出結合層の長さ及び幅よりも大きい、長さ及び幅のうちの少なくとも1つを有し、それにより前記埋込み共押出結合層は前記第1のフィルム層及び前記第2のフィルム層のうちの少なくとも1つと当接する自由端を有する、項目1に記載のパッケージ。
(項目3)
前記多層フィルムは、ポリプロピレン、ポリエチレン、コポリマー、又はポリエステルフィルム層、共押出結合層、解放及び再封層、並びにヒートシール可能層を含む、項目1に記載のパッケージ。
(項目4)
前記接着積層体層は予め構成された繰り返しの配置構成で配置され、それにより前記非接着領域が形成される、項目1に記載のパッケージ。
(項目5)
前記第2のフィルム層は前記解放及び再封層に加えてヒートシール層を含み、前記第1の切込みは前記解放及び再封層を通って延在することはなく、前記内側切込みは前記解放及び再封層を通り、前記埋込み共押出結合層まで延在する、項目1に記載のパッケージ。
(項目6)
前記外側切込みは、第1の部分及び第2の部分を有する複数深さ切込みであり、前記第1の部分は第1の深さを有し、前記非接着領域と一致して前記プルタブを形成し、前記第2の部分は、前記ベースフィルムから前記埋込み共押出結合層まで延在する第2の深さを有する、項目1に記載のパッケージ。
(項目7)
少なくとも初期開放の時点で、前記第1の切込みが形成されて、前記第1のフィルム層及び前記共押出結合層の両方を破断させる、項目1に記載のパッケージ。
(項目8)
位置合わせにおける変動を許容するために、前記第1の切込みは互いにある間隔を置いて配置された複数の繰り返しの第1の切込みを含む、項目1に記載のパッケージ。
(項目9)
前記複数の繰り返しの第1の切込みは前記内側切込みの方向に角度的に傾斜している、項目8に記載のパッケージ。
(項目10)
前記繰り返しの第1の切込みのうちの少なくとも1つは前記外側切込みに対して内側に配置されている、項目8に記載のパッケージ。
(項目11)
前記多層フィルムは共押出成形され、前記多層フィルムは、前記第1の切込みの形成前に前記多層フィルム上に印刷された第1のアイマークと、前記ベースフィルム上に形成された第2のアイマークとを更に備え、前記第1のアイマーク及び前記第2のアイマークは積層中に整合される、項目1に記載のパッケージ。
(項目12)
前記第1の切込み、前記外側切込み、及び前記内側切込みは直線、非直線、及び曲線状の端部のうちの少なくとも1つを含む、項目1に記載のパッケージ。
(項目13)
前記第2のフィルム層は、少なくとも再密閉性のための解放及び再封層を含む、項目1に記載のパッケージ。
(項目14)
パッケージを形成する方法であって、
第1のフィルム層と第2のフィルム層、及び前記第1のフィルム層と前記第2のフィルム層との間の埋込み共押出結合層を有する多層フィルムを押出しすることと、
前記第1のフィルム層を通り、少なくとも前記埋込み共押出結合層まで第1の切込みを形成することと、
ベースフィルムを、接着積層体層を介して前記第1のフィルム層に接着し、それにより多プライ多層フィルムを作製し、前記ベースフィルムの一部と前記第1のフィルム層の一部との間に非接着領域を形成することと、
前記ベースフィルムを通り、前記埋込み共押出結合層を少なくとも部分的に通って延在する外側切込みを、前記ベースフィルム内に形成することであって、前記外側切込みの一部は前記非接着領域と一致して部分的にプルタブを形成する、ことと、
前記第2のフィルム層から少なくとも前記埋込み共押出結合層まで延在する内側切込みを形成することと、
前記多プライ多層フィルムを内容物の周りに巻き付け、前記多プライ多層フィルムを密閉して、個々のパッケージを形成することであって、前記パッケージは再密閉可能な開口部を有することと、を含むパッケージを形成する方法。
(項目15)
前記外側切込みを形成するステップは、前記プルタブを形成する前記多プライ多層フィルムの一部に隣接して配置された、第1の部分を有する複数深さ外側切込みを形成することを含み、前記第1の部分は前記第1のフィルム層の中に延在する第1の深さを有し、第2の部分は前記埋込み共押出結合層まで延在する第2の深さを有する、項目14に記載の方法。
(項目16)
接着積層体層を予め構成された繰り返し配置構成で配置し、それにより非接着性領域を形成することを更に含む、項目14に記載の方法。
(項目17)
前記第1の切込みを形成する前に前記多層フィルム上にアイマークを印刷することと、
前記ベースフィルム上にアイマークを印刷することと、
前記ベースフィルムの前記アイマークと前記多層フィルムの前記アイマークとを、前記ベースフィルムと前記多層フィルムとを共に接着させる前に整合させることと、を更に含む、項目14に記載の方法。
(項目18)
前記第1の切込み、前記外側切込み、及び前記内側切込みを形成するステップは、ダイ切断又はレーザー切断のうちの少なくとも1つを含む、項目14に記載の方法。
(項目19)
前記第1の切込み、前記外側切込み、及び前記内側切込みを形成するステップは、直線を形成すること、非直線を形成すること、及び曲線状の端部を形成することのうちの少なくとも1つを含む、項目14に記載の方法。
(項目20)
第1のフィルム層と第2のフィルム層、及び前記第1のフィルム層と前記第2のフィルム層との間の埋込み共押出結合層を有する多層フィルムを押出しするステップは、前記第1のフィルム層と、前記埋込み共押出結合層の周辺縁部に隣接する前記第2のフィルム層とを接合させるステップを更に含む、項目14に記載の方法。
(項目21)
パッケージの少なくとも一部を作製するのに好適な共押出多層フィルムであって、
共押出結合層と、
前記結合層の解放を可能にする共押出内側フィルム又は共押出中間フィルムであって、前記共押出結合層は前記共押出内側フィルム又は前記共押出中間フィルムに隣接して配置されており、前記共押出内側フィルム又は前記共押出中間フィルムは前記共押出結合層の幅及び/又は長さよりも大きな幅及び/又は長さを有する、共押出内側フィルム又は共押出中間フィルムと、
前記共押出多層フィルム内に形成された開口特徴部と、を備える、共押出多層フィルム。
(項目22)
共押出外側フィルム部分を更に備え、前記共押出結合層は前記共押出外側フィルム部分と前記共押出内側フィルム部分との間に配置されており、前記共押出外側フィルム部分は前記共押出結合層の幅よりも大きな幅を有する、項目21に記載の共押出多層フィルム。
(項目23)
同時単一ステップ共押出プロセスによって形成され、前記外側フィルム部分が外側フィルム層を備え、前記内側フィルム部分が内側フィルム層を備え、前記共押出結合層は前記外側フィルム層と前記内側フィルム層との間にあり、前記外側フィルム層と前記内側フィルム層は実質的に互いに同一の広がりを持つ、項目22に記載の共押出多層フィルム。
の量を変えることによって作製することができる。7010FL、6102FL、3980FL、3020FLを含む様々なグレードが全て、様々なレベルではあるが、好適な剥離強度及び再密閉を提供することが分かった。
開く間の恒久的接着剤への損傷により、パッケージが以前に開口された場合に消費者に明白に示すことができる。
マーカーペン又は等価物など)を含む。試験の手順は以下のとおりである:
Claims (3)
- パッケージの少なくとも一部を作製するのに好適な共押出多層フィルムであって、
共押出結合層と、
前記結合層の解放を可能にする内側層と、
外側層であって、前記共押出結合層は前記外側層及び前記内側層に隣接して前記外側層と前記内側層との間に配置されており、前記内側層は前記共押出結合層の幅及び/又は長さよりも大きな幅及び/又は長さを有する、外側層と、
前記共押出多層フィルム内に形成された開口特徴部と
を備え、前記開口特徴部は、前記外側層及び前記共押出結合層を通って延在する一対の切込みと、前記内側層及び前記共押出結合層を通って延在する一対の切込みとを含み、
前記内側層及び前記共押出結合層を通って延在する前記切込みのうちの一方は、前記外側層及び前記共押出結合層を通って延在する前記一対の切込みの間にあり、前記内側層及び前記共押出結合層を通って延在する前記切込みのうちの他方は、前記外側層及び前記共押出結合層を通って延在する前記一対の切込みの間にはない、共押出多層フィルム。 - 前記外側層は前記共押出結合層の幅よりも大きな幅を有する、請求項1に記載の共押出多層フィルム。
- 単一ステップ共押出プロセスによって形成され、前記外側層と前記内側層とは実質的に互いに同一の広がりを持つ、請求項2に記載の共押出多層フィルム。
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WO2018035044A1 (en) | 2018-02-22 |
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CA3030994A1 (en) | 2018-02-22 |
US20220041357A1 (en) | 2022-02-10 |
AU2020203269B2 (en) | 2021-03-11 |
CN109641428A (zh) | 2019-04-16 |
JP2020108972A (ja) | 2020-07-16 |
US20190168491A1 (en) | 2019-06-06 |
US11123963B2 (en) | 2021-09-21 |
CA3030994C (en) | 2020-12-22 |
MX2019001518A (es) | 2019-05-15 |
US11752742B2 (en) | 2023-09-12 |
JP2019522600A (ja) | 2019-08-15 |
AU2020203269A1 (en) | 2020-06-11 |
AU2017312939B2 (en) | 2020-05-21 |
EP3496947A1 (en) | 2019-06-19 |
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