JP7039558B2 - 剥離スリーブを有する可撓性容器 - Google Patents
剥離スリーブを有する可撓性容器 Download PDFInfo
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- JP7039558B2 JP7039558B2 JP2019504718A JP2019504718A JP7039558B2 JP 7039558 B2 JP7039558 B2 JP 7039558B2 JP 2019504718 A JP2019504718 A JP 2019504718A JP 2019504718 A JP2019504718 A JP 2019504718A JP 7039558 B2 JP7039558 B2 JP 7039558B2
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- flexible container
- flexible
- release
- container according
- sleeve
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- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
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- B32B2307/546—Flexural strength; Flexion stiffness
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- B32B2307/7242—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2439/40—Closed containers
- B32B2439/46—Bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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)
- Bag Frames (AREA)
- Gloves (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Description
本明細書における元素周期表への全ての言及は、CRC Press,Inc.,2003によって出版および著作権化されている元素周期表を指すものとする。さらに、族(複数可)への全ての言及は、族の番号付けに関してIUPACシステムを使用するこの元素周期表に反映される族(複数可)とする。矛盾する記載、文脈から暗示的、または本技術分野において慣習的でない限り、全ての部およびパーセントは、重量に基づく。米国の特許実務の目的上、本明細書で参照されるあらゆる特許、特許出願、または刊行物の内容は、特に合成技術、定義(本明細書で提供される任意の定義と矛盾しない範囲まで)、および当該術分野における一般知識の開示に関して、参照によりそれらの全体が本明細書に組み込まれる(またはそのように、それらの同等の米国版が参照により組み込まれる)。
本可撓性容器は、共通の周縁部を画定するように、対向する第2の可撓性フィルム上に重ね合わされた第1の可撓性フィルムを含む。第1の可撓性フィルムおよび第2の可撓性フィルムは、互いに対して分離された個別のフィルムであり得る。あるいは、第1の可撓性フィルムおよび第2の可撓性フィルムは各々、例えば、折り畳み式底部パウチなどの可撓性容器の一方の側部に沿って折り畳まれる単一の一体型フィルムの構成要素(すなわちパネル)であり得る。「折り畳み式底部パウチ」は、三面にシールを有する単一の可撓性フィルムから作製された可撓性のパウチであり、単一の可撓性フィルムは底部で折り畳められている。
実施形態では、図1~図3は、第1の可撓性フィルム12および第2の可撓性フィルム14を有する可撓性容器10を示す。第1の可撓性フィルム12および第2の可撓性フィルム14は、互いに対して分離された個別のフィルムである。フィルム12、14は各々、可撓性複層フィルムである。第1の可撓性フィルム12と第2の可撓性フィルム14は互いに重ね合わされて、共通の周縁部16を形成するか、さもなければ規定する。ヒートシール18が、共通の周縁部16の全てまたは実質的に全てに沿って第1の可撓性フィルム12を第2の可撓性フィルム14にシールする。
図3に最もよく示されているように、第1の可撓性フィルム12および第2の可撓性フィルム14は各々、それぞれの最外層12a、14aを有する。各最外層12a、14aは、1つ以上のエチレン系ポリマー(複数可)を含む。各最外層12a、14aは、表面処理層である。本明細書で使用される場合「表面処理層」は、フィルム表面の表面エネルギーを上昇させる、さもなければ増加させる手順を受けたフィルム表面である。換言すれば、表面処理されたフィルム層は、フィルム表面がその新生状態で有するよりも大きな表面エネルギーを有する。表面処理層を生成するための非限定的な手順としては、コロナ処理、火炎処理、プラズマ処理、熱処理、圧力処理、およびそれらの組み合わせを含むが、これらに限定されない反応性表面改質が挙げられる。
本可撓性容器は、1つ以上の剥離スリーブを含む。剥離スリーブ(複数可)は、各それぞれの最外層の上に共通の周縁部に沿って重ね合わされる。第1の可撓性フィルムおよび第2の可撓性フィルムとともに、剥離スリーブ(複数可)は、共通の周縁部をさらに画定する。剥離スリーブは、単一の剥離スリーブであり得る。この実施形態では、単一のフィルムが剥離スリーブとして機能し、単一のフィルムは可撓性容器の底部に折り畳み式底部を有する。
本可撓性容器10は、図1~図3に示すように解放材料26を含む。解放材料26は、各剥離スリーブ22、24と内部容器12a、14aのそれぞれの表面処理層との間に配置されるか、さもなければ挟まれる。解放材料26は、図1に示すように共通の周縁部16の一部に沿って延在する。
実施例試料および比較試料で使用された材料を以下の表1に提供する。
フィルム1を使用して異なる試料を作製する。各試料に関して、フィルム1の1層を押出し中に様々な表面エネルギーにコロナ処理する。解放材料の様々な量/種類をフィルム1の周縁部に沿って様々なコーティング重量でスポット積層する。解放材料が存在しない領域を包装物が上面に有するように、輪転グラビア印刷によって特定の領域に解放材料を適用する。次いで、剥離スリーブをフィルム1の表面処理層および解放材料の上に配置する。解放材料がない領域は、消費者が包装の剥離スリーブを取り外すことができるタブとして機能する。換言すれば、剥離スリーブは、フィルム1の解放材料が省略されている領域に対応するタブを含む。
なお、本発明には以下の態様が含まれることを付記する。
〔態様1〕
可撓性容器であって、
対向する第2の可撓性フィルム上に重ね合わされた第1の可撓性フィルムであって、前記第1の可撓性フィルムおよび前記第2の可撓性フィルムが共通の周縁部に沿ってシールされて、密閉チャンバを有する内部容器を形成し、
前記第1の可撓性フィルムおよび前記第2の可撓性フィルムが各々、エチレン系ポリマーを含む最外層を有し、各最外層が、33mN/m~36mN/mの表面エネルギーを有する表面処理層である、第1および第2の可撓性フィルムと、
各それぞれの最外層の上に前記共通の周縁部に沿って重ね合わされた剥離スリーブと、
前記剥離スリーブと各最外層との間に前記共通の周縁部に沿って配置されている解放材料であって、前記剥離スリーブを前記内部容器に解放可能に取り付ける、解放材料と、を含む、可撓性容器。
〔態様2〕
前記解放材料が、前記共通の周縁部の一部に沿って間隔を空けて、前記剥離スリーブと各最外層との間に配置されている、態様1に記載の可撓性容器。
〔態様3〕
各剥離スリーブが、前記可撓性容器の上部にタブを備え、各タブが、解放材料を含まない、態様1または2のいずれかに記載の可撓性容器。
〔態様4〕
前記内部容器が、前記可撓性容器の上部に上部ヒートシールを備える、態様1~3のいずれかに記載の可撓性容器。
〔態様5〕
前記上部ヒートシールが、前記タブによって挟まれている、態様4に記載の可撓性容器。
〔態様6〕
前記上部ヒートシールおよび前記タブが前記解放材料を含まない、態様3~5のいずれかに記載の可撓性容器。
〔態様7〕
少なくとも1つのタブが、剥離スリーブを掴んで解放を開始するための自由端を有する、態様3~6のいずれかに記載の可撓性容器。
〔態様8〕
前記解放材料が、0.00656N/mm~0.0386N/mmの固着強度で各剥離スリーブをそのそれぞれの表面処理層に接着する、態様1~7のいずれかに記載の可撓性容器。
〔態様9〕
前記解放材料は、前記剥離スリーブがそのそれぞれの表面処理層から解放されるときに、前記剥離スリーブに接着する、態様1~8のいずれかに記載の可撓性容器。
〔態様10〕
前記上部ヒートシールの底部に配置されたアクセス部材を備える、態様1~9のいずれかに記載の可撓性容器。
〔態様11〕
前記アクセス部材が、引き裂きノッチ、引き裂きスリット、ミシン目、脆弱線、切れ目、およびそれらの組み合わせから成る群から選択される、態様10に記載の可撓性容器。
〔態様12〕
前記アクセス部材の下に配置されたアクセサリ構造を備える、態様10または11のいずれかに記載の可撓性容器。
〔態様13〕
前記アクセサリ構造が、前記アクセス部材の下に配置されたアクセサリ構造を構成する
、再シール構造、マイクロキャピラリーストリップ、およびそれらの組み合わせから成る群から選択される、態様12に記載の可撓性容器。
〔態様14〕
前記解放材料が、GRASアクリレート系組成物である、態様1~13のいずれかに記載の可撓性容器。
〔態様15〕
各剥離スリーブが、ポリエチレンテレフタレートおよび二軸配向ポリプロピレンから成る群から選択される材料から成る、態様1~14のいずれかに記載の可撓性容器。
〔態様16〕
前記可撓性容器が、パウチ、ピローパウチ、スタンドアップパウチ、およびフィンシールパウチから成る群から選択される、態様1~15のいずれかに記載の可撓性容器。
〔態様17〕
前記チャンバ内に食料品を含む、態様1~16のいずれかに記載の可撓性容器。
Claims (16)
- 可撓性容器であって、
対向する第2の可撓性フィルム上に重ね合わされた第1の可撓性フィルムであって、前記第1の可撓性フィルムおよび前記第2の可撓性フィルムが共通の周縁部に沿ってシールされて、密閉チャンバを有する内部容器を形成し、
前記第1の可撓性フィルムおよび前記第2の可撓性フィルムが各々、エチレン系ポリマーを含む最外層を有し、各最外層が、34mN/m~35mN/mの表面エネルギーを有する表面処理層である、前記第1および第2の可撓性フィルムと、
各それぞれの最外層の上に前記共通の周縁部に沿って重ね合わされた剥離スリーブと、
前記剥離スリーブと各最外層との間に前記共通の周縁部に沿って配置されている解放材料であって、前記剥離スリーブを前記内部容器に解放可能に取り付ける、前記解放材料と、を含み、
前記解放材料が、GRASアクリレート系組成物である、前記可撓性容器。 - 前記解放材料が、前記共通の周縁部の一部に沿って間隔を空けて、前記剥離スリーブと各最外層との間に配置されている、請求項1に記載の可撓性容器。
- 各剥離スリーブが、前記可撓性容器の上部にタブを備え、各タブが、解放材料を含まない、請求項1または2のいずれかに記載の可撓性容器。
- 前記内部容器が、前記可撓性容器の上部に上部ヒートシールを備える、請求項1~3のいずれかに記載の可撓性容器。
- 前記上部ヒートシールが、前記タブによって挟まれている、請求項4に記載の可撓性容器。
- 前記上部ヒートシールおよび前記タブが前記解放材料を含まない、請求項3~5のいずれかに記載の可撓性容器。
- 少なくとも1つのタブが、剥離スリーブを掴んで解放を開始するための自由端を有する、請求項3~6のいずれかに記載の可撓性容器。
- 前記解放材料が、0.00656N/mm~0.0386N/mmの固着強度で各剥離スリーブをそのそれぞれの表面処理層に接着する、請求項1~7のいずれかに記載の可撓性容器。
- 前記解放材料は、前記剥離スリーブがそのそれぞれの表面処理層から解放されるときに、前記剥離スリーブに接着する、請求項1に記載の可撓性容器。
- 前記上部ヒートシールの底部に配置されたアクセス部材を備える、請求項1~9のいずれかに記載の可撓性容器。
- 前記アクセス部材が、引き裂きノッチ、引き裂きスリット、ミシン目、脆弱線、切れ目、およびそれらの組み合わせから成る群から選択される、請求項10に記載の可撓性容器。
- 前記アクセス部材の下に配置されたアクセサリ構造を備える、請求項10または11のいずれかに記載の可撓性容器。
- 前記アクセサリ構造が、前記アクセス部材の下に配置されたアクセサリ構造を構成する
、再シール構造、マイクロキャピラリーストリップ、およびそれらの組み合わせから成る群から選択される、請求項12に記載の可撓性容器。 - 各剥離スリーブが、ポリエチレンテレフタレートおよび二軸配向ポリプロピレンから成る群から選択される材料から成る、請求項1~13のいずれかに記載の可撓性容器。
- 前記可撓性容器が、パウチ、ピローパウチ、スタンドアップパウチ、およびフィンシールパウチから成る群から選択される、請求項1~14のいずれかに記載の可撓性容器。
- 前記チャンバ内に食料品を含む、請求項1~15のいずれかに記載の可撓性容器。
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- 2017-07-14 AR ARP170101979A patent/AR109067A1/es active IP Right Grant
- 2017-07-26 WO PCT/US2017/043875 patent/WO2018022709A1/en unknown
- 2017-07-26 US US16/321,602 patent/US20210300657A1/en not_active Abandoned
- 2017-07-26 CN CN201780047090.1A patent/CN109715519B/zh active Active
- 2017-07-26 EP EP17751883.4A patent/EP3490904B1/en active Active
- 2017-07-26 JP JP2019504718A patent/JP7039558B2/ja active Active
- 2017-07-26 MX MX2019001180A patent/MX2019001180A/es unknown
- 2017-07-26 BR BR112019001774-7A patent/BR112019001774B1/pt active IP Right Grant
- 2017-07-26 ES ES17751883T patent/ES2836435T3/es active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011201587A (ja) | 2010-03-26 | 2011-10-13 | Dic Corp | 易開封食品包装袋用積層フィルムおよび易開封食品包装袋 |
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BR112019001774B1 (pt) | 2022-10-11 |
BR112019001774A2 (pt) | 2019-05-07 |
AR109067A1 (es) | 2018-10-24 |
CN109715519A (zh) | 2019-05-03 |
EP3490904B1 (en) | 2020-10-21 |
ES2836435T3 (es) | 2021-06-25 |
JP2019521926A (ja) | 2019-08-08 |
CN109715519B (zh) | 2021-06-08 |
US20210300657A1 (en) | 2021-09-30 |
WO2018022709A1 (en) | 2018-02-01 |
EP3490904A1 (en) | 2019-06-05 |
MX2019001180A (es) | 2019-07-04 |
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