JPH07251472A - 真空包装用袋形成のための筒状部材 - Google Patents

真空包装用袋形成のための筒状部材

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Publication number
JPH07251472A
JPH07251472A JP6247977A JP24797794A JPH07251472A JP H07251472 A JPH07251472 A JP H07251472A JP 6247977 A JP6247977 A JP 6247977A JP 24797794 A JP24797794 A JP 24797794A JP H07251472 A JPH07251472 A JP H07251472A
Authority
JP
Japan
Prior art keywords
bag
film
tubular member
inner layer
forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6247977A
Other languages
English (en)
Inventor
Luigi Abate
アバーテ ルイジ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flaem Nuova SpA
Original Assignee
Flaem Nuova SpA
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Filing date
Publication date
Application filed by Flaem Nuova SpA filed Critical Flaem Nuova SpA
Publication of JPH07251472A publication Critical patent/JPH07251472A/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2023—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in a flexible container
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24207—Fold at edge with strand[s] or strand-portion[s] between layers [e.g., upholstery trim, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24562—Interlaminar spaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24636—Embodying mechanically interengaged strand[s], strand-portion[s] or strand-like strip[s] [e.g., weave, knit, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24661—Forming, or cooperating to form cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
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    • Y10T428/31725—Of polyamide
    • Y10T428/31739—Nylon type
    • Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
    • Y10T428/31746—Polymer of monoethylenically unsaturated hydrocarbon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Vacuum Packaging (AREA)
  • Wrappers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

(57)【要約】 【構成】 本発明は、真空包装用袋を形成するための筒
状部材であって、完成した袋の少なくとも内側表面上で
該筒状部材の長手方向に沿って延びた浮き出し部をな
し、該袋による真空包装時に吸引により空気を袋から排
出するための通路を形成する線条が、内側層又はフィル
ム上に設けられている真空包装用袋を形成するための筒
状部材に関する。 【効果】 エンボシング工程が省略できるので、真空包
装袋は従来のものと比べ製造が容易となり、経済的に製
造することができ、さらに使用上の信頼性を有するもの
とすることができる。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、包装用材料、より詳し
くは非透過性及び断熱性を有し、腐り易い製造物を真空
包装するための袋形成用の部材に関する。
【０００２】
【従来の技術及びその問題点】接着によって長手方向に
シールされ、上述した用途に用いる袋形状にすることが
できる筒状包装用材料は、これまでにも既に提案されて
きた。公知の例によれば該筒状部材の壁は、異なる材料
からなる少なくとも２つの積層部材、特に気体に対して
非透過性を有する材料からなる外側層又はフィルムと、
熱可塑性を有し断熱性を有する材料からなる内側層又は
フィルムからなる。これら２つの層は密着状態で積層さ
れ、少なくとも内側層は、真空包装するために袋を使用
する時に、空気の排出を促進するエンボス部又は通路網
（網目状の凹所）を備えている。従って該通路網は、前
記部材に於いて断熱性を有する内側層に設けらている。
【０００３】
【発明の概要】本発明は、異なるプラスチック材料から
なる２以上の層又はフィルムによって形成される壁を備
えた包装用材料であって、気密性及び断熱性が一定状態
に維持され、空気排出用通路が製造物品の少なくとも内
側表面に設けられた線条によって形成されることを特徴
とする包装用材料を提供するものである。従ってエンボ
シング工程が省略できるので、真空包装袋は従来のもの
と比べ製造が容易となり、経済的に製造することがで
き、さらに使用上の信頼性を有するものとすることがで
きる。
【０００４】従って本発明は、製造物を真空包装するた
めの袋を形成するための筒状部材に集約される。
【０００５】即ち本発明は、気体に対して非透過性を有
するプラスチック材料からなる少なくとも１つの外側層
又はフィルムと、熱可塑性を有し断熱性を有する内側層
又はフィルムとからなる少なくとも１枚のシートを用い
て形成された真空包装用袋を形成するための筒状部材で
あって、前記各層又はフィルムは相互に密着されてお
り、完成した袋の少なくとも１枚の内側表面上で前記筒
状部材の長手方向に沿って延びた浮き出し部をなし、該
袋による真空包装時に吸引により空気を袋から排出する
為の通路を間に形成する線条が、前記内側層又はフィル
ム上に設けられていることを特徴とする真空包装用袋を
形成するための筒状部材によって達成される。
【０００６】好ましくは前記線条は、前記内側層又はフ
ィルム上に挿入され、完成した袋の少なくとも１つの内
側表面に設けられ、且つ該袋の深さ方向に延びるように
構成されている。
【０００７】好ましくは前記シートの前記外側層又はフ
ィルムは、ナイロン又はポリエステルからなり、該シー
トの内側層又はフィルムは、ポリエチレン（polyethyle
neor polythene）からなっており、前記通路を画定する
線条は、該内側層又はフィルムと同じ材料からなる。
【０００８】
【実施例】以下、本発明の実施例につき添付図面を参照
しつつ説明する。全体を通して参照番号１０で示され筒
状部材は、１つ又は２つのシート又は帯によって形成す
ることができ、参照番号１１で示すように、一方又は両
側部にそって接着することによりシールすることができ
る。図示された実施例に於いて該筒状部材は、２つの対
向する側部がシールされた２つのシート又は帯１２，１
２’からなる。次に筒状部材は所望の長さに切断され、
端部の一方は接着により幅方向にシールされて袋を形成
し、他方の端部は包装するべき物を入れて真空にした
後、幅方向にシールされる。
【０００９】筒状部材の形成（従って最終的には袋を形
成）するためのシートは、気密性、即ち気体に対して非
透過性を有するナイロン又はポリエステル等の材料から
なる外側層又はフィルム１３と、断熱性を有するポリエ
チレン（polyethylene or polythene）等からなる内側
層又はフィルム１４とから形成されている。該２つの層
又はフィルム１３，１４は、積層され密着される。
【００１０】本発明に従えば、シートの長手方向に沿っ
て適切に延びる線条１５が、シート１２，１２’の少な
くとも一方、例えば図中の１２の内側表面に、より詳し
くはポリエチレンからなる内側層又はフィルム１４上に
設けられる。好ましくは該線条１５は、筒状部材、最終
的には袋を形成するために２つのシート１２，１２’を
組み合わせる前に、少なくともシート１２に設けられ
る。好ましくは線条１５は、内側層又はフィルム１４を
形成するのと同じ材料、即ちポリエチレン（polyethyle
ne or polythene）からなり、適当な方法で挿入されて
筒状部材１０の内側表面の浮き出し部をなし、最終的に
は袋の浮き出し部を形成する。このため、例えば、内側
層又はフィルム１４の製造の際に同時に線条１５を形成
することができる。また、内側層又はフィルム１４の形
成後に線条１５を、接着、熱融着等により接合しても良
い。さらに、シート１２，１２’による袋形成の後にそ
の一端開口部から線条１５を挿入して接着することもで
きる。
【００１１】このような実施例は図面に示されており、
図面から線条が筒状部材、最終的には袋の内側において
如何なる状態で通路１６を長手方向に形成するかが確認
できる（図１及び図２参照）。製造物を真空包装するた
めに当該袋を使用する時に、該通路１６から公知の詳述
しない装置によって吸い出し法により空気を完全に袋か
ら排出することができる。
【図面の簡単な説明】
【図１】製造物の真空包装用の袋を形成するための筒状
部材の断面斜視図である。
【図２】図１の断面図の拡大図である。
【図３】線条によって通路を画定した筒状部材の内部表
面の部分図である。
【符号の説明】
１０ 筒状部材 １２ シート １３ 外側層 １４ 内側層 １５ 線条 １６ 通路

Claims (3)

    【特許請求の範囲】
  1. 【請求項１】 気体に対して非透過性を有するプラスチ
    ック材料からなる少なくとも１つの外側層又はフィルム
    と、熱可塑性を有し断熱性を有する内側層又はフィルム
    とからなる少なくとも１枚のシートを用いて形成された
    真空包装用袋を形成するための筒状部材であって、前記
    各層又はフィルムは相互に密着されており、完成した袋
    の少なくとも１枚の内側表面上で前記筒状部材の長手方
    向に沿って延びた浮き出し部をなし、該袋による真空包
    装時に吸引により空気を袋から排出する為の通路を間に
    形成する線条が、前記内側層又はフィルム上に設けられ
    ていることを特徴とする真空包装用袋を形成するための
    筒状部材。
  2. 【請求項２】 前記線条は、前記内側層又はフィルム上
    に挿入され、完成した袋の少なくとも１つの内側表面に
    設けられ、且つ該袋の深さ方向に延びるように構成され
    ていることを特徴とする請求項１に記載の筒状部材。
  3. 【請求項３】 前記シートの前記外側層又はフィルム
    は、ナイロン又はポリエステルからなり、該シートの内
    側層又はフィルムは、ポリエチレン（polyethylene or
    polythene）からなっており、前記通路を画定する線条
    は、該内側層又はフィルムと同じ材料からなることを特
    徴とする請求項１又は２に記載の筒状部材。
JP6247977A 1993-10-13 1994-10-13 真空包装用袋形成のための筒状部材 Pending JPH07251472A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93BS000074U IT231279Y1 (it) 1993-10-13 1993-10-13 Elemento tubolare per la formazione di sacchetti per il confezionamento di prodotti sottovuoto
IT93U000074 1993-10-13

Publications (1)

Publication Number Publication Date
JPH07251472A true JPH07251472A (ja) 1995-10-03

Family

ID=11345132

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JP6247977A Pending JPH07251472A (ja) 1993-10-13 1994-10-13 真空包装用袋形成のための筒状部材

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EP (1) EP0648688B1 (ja)
JP (1) JPH07251472A (ja)
KR (1) KR200248033Y1 (ja)
CN (1) CN1045074C (ja)
AT (1) ATE169586T1 (ja)
AU (1) AU687868B2 (ja)
CA (1) CA2118084C (ja)
DE (1) DE69412412T2 (ja)
DK (1) DK0648688T3 (ja)
ES (1) ES2122216T3 (ja)
IT (1) IT231279Y1 (ja)
SI (1) SI0648688T1 (ja)

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Also Published As

Publication number Publication date
AU7576394A (en) 1995-05-04
KR200248033Y1 (ko) 2002-07-31
AU687868B2 (en) 1998-03-05
DE69412412D1 (de) 1998-09-17
ES2122216T3 (es) 1998-12-16
IT231279Y1 (it) 1999-08-02
CN1045074C (zh) 1999-09-15
CN1112507A (zh) 1995-11-29
ATE169586T1 (de) 1998-08-15
EP0648688A2 (en) 1995-04-19
CA2118084A1 (en) 1995-04-14
CA2118084C (en) 2005-06-28
ITBS930074U1 (it) 1995-04-13
ITBS930074V0 (it) 1993-10-13
DE69412412T2 (de) 1999-03-25
EP0648688A3 (en) 1995-06-21
US5554423A (en) 1996-09-10
EP0648688B1 (en) 1998-08-12
DK0648688T3 (da) 1999-05-17
US5549944A (en) 1996-08-27
KR950011497U (ko) 1995-05-16
SI0648688T1 (en) 2000-02-29

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