JP2010070232A - Packing member - Google Patents

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Publication number
JP2010070232A
JP2010070232A JP2008241019A JP2008241019A JP2010070232A JP 2010070232 A JP2010070232 A JP 2010070232A JP 2008241019 A JP2008241019 A JP 2008241019A JP 2008241019 A JP2008241019 A JP 2008241019A JP 2010070232 A JP2010070232 A JP 2010070232A
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JP
Japan
Prior art keywords
check valve
medium
flow path
medium storage
welded
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
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JP2008241019A
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Japanese (ja)
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JP2010070232A5 (en
Inventor
Yasushi Watanabe
泰史 渡辺
Takeshi Narita
猛 成田
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Canon Inc
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Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008241019A priority Critical patent/JP2010070232A/en
Priority to EP09737478.9A priority patent/EP2340218B1/en
Priority to CN2009801358637A priority patent/CN102159470B/en
Priority to US12/562,356 priority patent/US20100072103A1/en
Priority to PCT/JP2009/066876 priority patent/WO2010032883A1/en
Publication of JP2010070232A publication Critical patent/JP2010070232A/en
Publication of JP2010070232A5 publication Critical patent/JP2010070232A5/ja
Priority to US14/338,441 priority patent/US20140326632A1/en
Pending legal-status Critical Current

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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
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
    • 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
    • B65D2581/00—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
    • B65D2581/02—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 specially adapted to protect contents from mechanical damage
    • B65D2581/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/051—Details of packaging elements for maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/052—Materials
    • B65D2581/055—Plastic in general, e.g. foamed plastic, molded plastic, extruded plastic

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packing member which can make it difficult for a medium to leak from a storage portion, and further, has improved medium injection efficiency. <P>SOLUTION: A flow path 20 for passing the medium includes a reference flow path portion 20c extending in the longitudinal direction of the medium storage portion 3, and expanded flow path portion 20a and 20b having a width larger than that of the reference flow path portion 20c. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、被梱包物を梱包する梱包部材において、媒体を収納する媒体収納部へ向かう媒体を通過させて、媒体収納部から逆流する媒体を規制する逆止弁を有する梱包部材に関する。   The present invention relates to a packing member that packs an object to be packed, and that has a check valve that restricts a medium that flows back from the medium storage unit by allowing a medium toward a medium storage unit that stores the medium to pass therethrough.

従来、可撓性シートを少なくとも２枚以上重ねて溶着する事で媒体を収納する媒体収納部を形成した、被梱包物を梱包する梱包部材において、媒体を収納する媒体収納部へ向かう媒体を通過させて、媒体収納部から逆流する媒体を規制する逆止弁が考案されている。（特許文献１参照）
特開平１１−２１６７８４号公報 2. Description of the Related Art Conventionally, in a packing member that packs an object to be packed, in which a medium storage unit for storing a medium is formed by stacking and welding at least two flexible sheets, the medium passing toward the medium storage unit for storing the medium passes. Thus, a check valve has been devised that restricts the medium flowing backward from the medium storage portion. (See Patent Document 1)
JP-A-11-216784

上記従来の逆止弁は、媒体収納部から媒体が逆流するのを防ぐ為、逆止弁における媒体の流路を複雑または狭くする手段があるが、媒体を媒体収納部へ注入する効率（媒体注入性）が悪くなるという問題点がある。また、逆止弁を大きくし、逆止弁における媒体の流路を長くする手段がある。しかし、この手段を採用した際は、逆止弁の材料使用量が多くなり、コストがかかるという問題点がある。そこで、本発明の目的は、逆止弁を媒体収納部に溶着する形状によって、媒体収納部から媒体が漏れ難くし、さらに、媒体注入性も良い梱包部材を提供することにある。   The conventional check valve has means for complicating or narrowing the flow path of the medium in the check valve in order to prevent the medium from flowing back from the medium storage unit. However, the efficiency of injecting the medium into the medium storage unit (medium There is a problem that the injectability is deteriorated. There is also a means for enlarging the check valve and lengthening the flow path of the medium in the check valve. However, when this means is adopted, there is a problem that the amount of material used for the check valve increases and costs increase. Accordingly, an object of the present invention is to provide a packaging member that makes it difficult for the medium to leak from the medium storage portion and has good medium injectability due to the shape in which the check valve is welded to the medium storage portion.

上記目的を達成する為の本発明に係る梱包部材は、被梱包物を梱包する梱包部材において、媒体を収納する媒体収納部と、前記媒体収納部の長手方向に沿って前記媒体収納部へ向かう媒体は通過させて、前記媒体収納部から逆流する媒体は規制する逆止弁と、前記逆止弁を前記媒体収納部に溶着することで形成される、前記媒体が通過する流路であって、前記長手方向に延びる基準流路部と、前記基準流路部よりも広い幅を有する拡張流路部と、を備える流路と、を有することを特徴とする。   In order to achieve the above object, a packing member according to the present invention is a packing member that packs an object to be packed, and is directed to a medium storage unit that stores a medium and the medium storage unit along a longitudinal direction of the medium storage unit. A non-return valve for allowing a medium to pass therethrough and restricting a medium flowing backward from the medium storage unit; and a flow path through which the medium passes formed by welding the check valve to the medium storage unit. And a flow path including a reference flow path part extending in the longitudinal direction and an extended flow path part having a width wider than the reference flow path part.

逆止弁を媒体収納部に溶着する形状によって、媒体収納部から媒体が漏れ難くし、さらに、媒体注入性も良くすることができる。また、逆止弁を簡単に構成することができる。   The shape in which the check valve is welded to the medium storage unit makes it difficult for the medium to leak from the medium storage unit, and further improves the medium injection property. Also, the check valve can be configured easily.

（実施例１）
〔梱包部材の構成〕
本発明に係わる梱包部材Ｓ１は、図１及び図２に示すように、可撓性シート部材である２枚のプラスチックフィルム１とプラスチックフィルム２を重ね合わせて熱溶着することによって構成されている。熱溶着された領域が溶着部６、８、９である。そして、梱包部材Ｓ１は媒体である空気を収納することができる媒体収納部３が複数個並んで設けられている。媒体収納部３は、図１に示すようにフィルム１とフィルム２とを溶着部８、６、９で熱溶着して仕切ることによって構成される一辺が長い長方形をしている。また、媒体収納部３の長手方向一端側には、媒体収納部３を膨らませるために、空気を梱包部材Ｓ１の外部からそれぞれの媒体収納部３に導くための導入部５が複数設けられている。さらに、導入部５の一端側には、空気を注入するための注入口１１が導入部５に対してそれぞれ設けられている。この導入部５も溶着部７によって仕切られて構成されている。ここで溶着部９は、媒体収納部３の長手方向に沿って略平行に設けられている。また、溶着部６、８は、媒体収納部３の長手方向と交差する方向に延びて設けられており、溶着部６は、前記長手方向の他端側に位置する。なお、本実施の形態のフィルム１とフィルム２は３層構造の可撓性シート部材である。すなわちナイロンの層をポリエチレンの層とポリプロピレンの層によって挟み込んだサンドイッチ構造となっている。主に、ナイロンの層は媒体の透過しにくい特性を有し、ポリエチレンの層及びポリプロピレンの層は、熱溶着に対して溶着性が良い特性を有する。 Example 1
[Composition of packing material]
As shown in FIGS. 1 and 2, the packaging member S <b> 1 according to the present invention is configured by stacking and thermally welding two plastic films 1 and plastic films 2 that are flexible sheet members. The heat-welded areas are the welded portions 6, 8, and 9. The packing member S1 is provided with a plurality of medium storage portions 3 that can store air as a medium. As shown in FIG. 1, the medium storage unit 3 has a rectangular shape with a long side, which is formed by heat-welding and partitioning the film 1 and the film 2 with welding parts 8, 6, and 9. In addition, a plurality of introduction portions 5 for guiding air from the outside of the packing member S1 to each medium storage portion 3 are provided on one end side in the longitudinal direction of the medium storage portion 3 in order to inflate the medium storage portion 3. Yes. Furthermore, an inlet 11 for injecting air is provided on one end side of the introduction part 5 with respect to the introduction part 5. The introduction portion 5 is also configured to be partitioned by the welding portion 7. Here, the welded portion 9 is provided substantially in parallel along the longitudinal direction of the medium storage portion 3. The welded portions 6 and 8 are provided so as to extend in a direction intersecting with the longitudinal direction of the medium storage portion 3, and the welded portion 6 is located on the other end side in the longitudinal direction. In addition, the film 1 and the film 2 of this Embodiment are a flexible sheet | seat member of a 3 layer structure. That is, it has a sandwich structure in which a nylon layer is sandwiched between a polyethylene layer and a polypropylene layer. Mainly, the nylon layer has a characteristic that the medium does not easily permeate, and the polyethylene layer and the polypropylene layer have a characteristic of good weldability with respect to heat welding.

そして、媒体収納部３の長手方向の一端側には、導入部５にまたがって逆止弁４が設けられている。この逆止弁４は、媒体収納部３に空気を導入する方向に空気を通過させるものである。そして、空気が媒体収納部に導入された後は図２に示すように、媒体収納部３の内部の空気の圧力を利用して、導入された空気が導入部５の方向に逆流するのを防止するものである。ここで、図２は、図１においるＢ−Ｂ断面図である。そして、図３は図１においる媒体収納部３および導入部５を拡大した図である。   A check valve 4 is provided on one end side in the longitudinal direction of the medium storage portion 3 so as to straddle the introduction portion 5. The check valve 4 allows air to pass in the direction in which air is introduced into the medium storage unit 3. Then, after the air is introduced into the medium storage unit, the introduced air flows back in the direction of the introduction unit 5 using the pressure of the air inside the medium storage unit 3 as shown in FIG. It is to prevent. Here, FIG. 2 is a BB cross-sectional view in FIG. FIG. 3 is an enlarged view of the medium storage unit 3 and the introduction unit 5 shown in FIG.

逆止弁４の詳細の構成は、図２、図３に示すとおりである。逆止弁４は以下の手順によって製作される。フィルム２には上逆止弁４ａと下逆止弁４ｂとが、媒体収納部３の領域において溶着部１２ａ〜１２ｃによって、予め熱溶着されている。上逆止弁４ａと下逆止弁４ｂもプラスチックフィルムで構成されている。   The detailed configuration of the check valve 4 is as shown in FIGS. The check valve 4 is manufactured by the following procedure. An upper check valve 4 a and a lower check valve 4 b are heat-welded to the film 2 in advance in the area of the medium storage portion 3 by welding portions 12 a to 12 c. The upper check valve 4a and the lower check valve 4b are also made of a plastic film.

そして、図１、図２に示すように、フィルム１とフィルム２が溶着されて梱包部材Ｓ１を構成する際に、導入部５において上逆止弁４ａがフィルム１に、下逆止弁４ｂがフィルム２に溶着部１０によって溶着される。上逆止弁４ａには、溶着部８、１０が熱溶着される温度でも溶けない材質のシール部４ａ１が塗布またはプリントされている。したがって、溶着部１０においてフィルム１とフィルム２に熱が加えられても、上逆止弁４ａと下逆止弁４ｂとが溶着することは無い。また、導入部５と媒体収納部３との境界である溶着部８においても、シール部４ａ１が存在するところは上逆止弁４ａと下逆止弁４ｂとが溶着することは無いので、導入部５から媒体収納部３へ空気を通過可能にする通路Ｐ１が確保されることになる。このシール部４ａ１は、上逆止弁４ａではなく、下逆止弁４ｂに塗布またはプリントされていても、同じ機能が得られる。   As shown in FIGS. 1 and 2, when the film 1 and the film 2 are welded to form the packaging member S1, the upper check valve 4a is changed to the film 1 and the lower check valve 4b is changed to the film 1 in the introduction portion 5. It is welded to the film 2 by the welded portion 10. The upper check valve 4a is coated or printed with a seal portion 4a1 made of a material that does not melt even at a temperature at which the weld portions 8 and 10 are thermally welded. Therefore, even if heat is applied to the film 1 and the film 2 in the welded portion 10, the upper check valve 4a and the lower check valve 4b are not welded. Further, in the welded portion 8 which is the boundary between the introduction portion 5 and the medium storage portion 3, the upper check valve 4a and the lower check valve 4b are not welded where the seal portion 4a1 is present. A passage P1 that allows air to pass from the section 5 to the medium storage section 3 is secured. Even if this seal portion 4a1 is applied or printed not on the upper check valve 4a but on the lower check valve 4b, the same function can be obtained.

また、媒体収納部３の長手方向と、逆止弁４における空気の通過方向とは略一致しており、空気が効率よく媒体収納部３へ導入される。   Further, the longitudinal direction of the medium storage unit 3 and the air passage direction of the check valve 4 substantially coincide with each other, and air is efficiently introduced into the medium storage unit 3.

ここで、図１に示すように注入口１１の幅Ｗ１は、媒体収納部３と導入部５の境界（接続部）の幅Ｗ２よりも狭い。さらに複数の注入口１１は、それぞれに隣接して設けられている。よって、注入口１１から一度に空気を導入するための注入装置の注入部（不図示）を小さくすることができる。そして、逆止弁４において媒体が媒体収納部３へ向って通過する通過方向と、注入口１１から媒体を導入する方向とを略一致させることによって、空気が効率よく媒体収納部３へ導入される構成になっている。また、前述の構成のため、溶着部７は媒体収納部３の長手方向に沿って、媒体収納部３と導入部５の境界から注入口１１へ向かって傾斜した形状になっている。   Here, as shown in FIG. 1, the width W <b> 1 of the injection port 11 is narrower than the width W <b> 2 of the boundary (connection portion) between the medium storage unit 3 and the introduction unit 5. Further, the plurality of injection ports 11 are provided adjacent to each other. Therefore, the injection part (not shown) of the injection device for introducing air from the injection port 11 at a time can be reduced. In the check valve 4, the passage direction in which the medium passes toward the medium storage unit 3 and the direction in which the medium is introduced from the injection port 11 are substantially matched to efficiently introduce air into the medium storage unit 3. It is the composition which becomes. Further, due to the above-described configuration, the welded portion 7 has a shape inclined from the boundary between the medium storage portion 3 and the introduction portion 5 toward the injection port 11 along the longitudinal direction of the medium storage portion 3.

〔逆止弁の詳細構成〕
ここで、上逆止弁４ａと下逆止弁４ｂをフィルム２に熱溶着する溶着部１２ａ〜１２ｃの形状について説明する。 [Detailed configuration of check valve]
Here, the shape of the welding parts 12a-12c which heat-welds the upper check valve 4a and the lower check valve 4b to the film 2 is demonstrated.

図４に示すように、上逆止弁４ａと下逆止弁４ｂがフィルム２に溶着部１２ａ〜１２ｃで熱溶着されることによって、逆止弁４ａ、４ｂの幅内において空気を媒体収納部３に導入する為の流路２０が形成される。この流路２０は、媒体収納部の幅よりも当然狭い幅で、図５に示すように上逆止弁４ａと下逆止弁４ｂとの間に形成される。即ち、空気が通過する際は、上逆止弁４ａが図５に示すように２点鎖線のようになる。ここで、図５は、図３においるＡ−Ａ断面図である。この流路２０は、図４に示すように、基準流路部２０ｃと、基準流路部２０ｃの途中において基準流路部２０ｃから媒体収納部３の長手方向と交差する方向に拡張した、拡張流路部２０ａ、２０ｂを有する。   As shown in FIG. 4, the upper check valve 4a and the lower check valve 4b are thermally welded to the film 2 by the welded portions 12a to 12c, so that air is contained in the medium accommodating portion within the width of the check valves 4a and 4b. 3 is formed. The flow path 20 is naturally narrower than the width of the medium storage portion, and is formed between the upper check valve 4a and the lower check valve 4b as shown in FIG. That is, when air passes, the upper check valve 4a becomes like a two-dot chain line as shown in FIG. Here, FIG. 5 is an AA cross-sectional view in FIG. As shown in FIG. 4, the flow path 20 is expanded such that the reference flow path section 20 c and the reference flow path section 20 c extend in the direction intersecting the longitudinal direction of the medium storage section 3 in the middle of the reference flow path section 20 c. It has channel parts 20a and 20b.

基準流路部２０ｃは、媒体収納部３の長手方向に沿って形成され、逆止弁４ａ、４ｂの幅内において空気を長手方向に導くための流路であり、溶着部１２ａ１、１２ａ２、１２ａ６、１２ａ１０、溶着部１２ｂ１、１２ｂ２、１２ｂ６、１２ｂ１０で構成される。また、この拡張流路部２０ａを形成する為に、溶着部１２ａにおいて、媒体収納部３の長手方向に対して交差する方向に延びる溶着部１２ａ３〜溶着部１２ａ５、溶着部１２ａ７〜溶着部１２ａ９が設けられている。また、この拡張流路部２０ｂを形成する為に、溶着部１２ｂにおいては、溶着部１２ｂ３〜溶着部１２ｂ５、溶着部１３ｂ７〜溶着部１３ｂ９が設けられている。この拡張流路部２０ａ、２０ｂが存在することによって、逆止弁４ａ、４ｂは、媒体収納部３に空気が入った後も、逆止弁４ａ、４ｂの幅内において上逆止弁４ａと下逆止弁４ｂの密着性が確保され、空気が逆流することを防いでいる。   The reference flow path portion 20c is formed along the longitudinal direction of the medium storage portion 3, and is a flow path for guiding air in the longitudinal direction within the width of the check valves 4a and 4b, and the weld portions 12a1, 12a2, and 12a6. , 12a10 and welded portions 12b1, 12b2, 12b6, 12b10. Moreover, in order to form this expansion flow path part 20a, in the welding part 12a, the welding part 12a3-welding part 12a5 and the welding part 12a7-welding part 12a9 extended in the direction which cross | intersects with respect to the longitudinal direction of the medium storage part 3 are provided. Is provided. Moreover, in order to form this expansion flow path part 20b, in the welding part 12b, the welding part 12b3-the welding part 12b5 and the welding part 13b7-the welding part 13b9 are provided. Due to the presence of the expanded flow passage portions 20a and 20b, the check valves 4a and 4b can be separated from the upper check valve 4a within the width of the check valves 4a and 4b even after air enters the medium storage portion 3. Adhesion of the lower check valve 4b is ensured and air is prevented from flowing back.

ここで、比較例として拡張流路部が無い場合の媒体収納部１０３の断面図を図６に示す。媒体収納部１０３に空気が充填されることによって、フィルム１０１、１０２は図６に示すように円弧形状になり、フィルム１０２の曲率が一番小さくなり、上逆止弁１０４ａの曲率が一番大きくなる。しかし、前述したようにフィルム１０２が平坦な状況で予め上逆止弁１０４ａと下逆止弁１０４ｂが溶着部１１２ａ、１１２ｂで溶着されている。したがって媒体収納部１０３に空気が充填されることによって、上逆止弁１０４ａ、下逆止弁１０４ｂが媒体収納部１０３の内側にたるむたるみ部１０４ａ１、１０４ｂ１が生じる。したがって上逆止弁１０４ａと下逆止弁１０４ｂとの密着性が悪くなることになる。   Here, as a comparative example, FIG. 6 shows a cross-sectional view of the medium storage portion 103 when there is no extended flow path portion. When the medium storage portion 103 is filled with air, the films 101 and 102 have an arc shape as shown in FIG. 6, the curvature of the film 102 is the smallest, and the curvature of the upper check valve 104a is the largest. Become. However, as described above, the upper check valve 104a and the lower check valve 104b are previously welded by the welding portions 112a and 112b in a state where the film 102 is flat. Therefore, when the medium storage portion 103 is filled with air, slack portions 104 a 1 and 104 b 1 in which the upper check valve 104 a and the lower check valve 104 b sag inside the medium storage portion 103 are generated. Therefore, the adhesion between the upper check valve 104a and the lower check valve 104b is deteriorated.

それを防ぐ為に、本実施例においては図４に示すように溶着部１２ａ３、１２ａ５、１２ａ７、１２ａ９、１２ｂ３、１２ｂ５、１２ｂ７、１２ｂ９を設けている。即ち、媒体収納部３の長手方向に対して交差する方向に延びる前記の溶着部を設けることによって、上逆止弁１０４ａ、下逆止弁１０４ｂを交差する方向に伸ばす力が働く。それによって、図５に示すように比較例（図６）で述べたたるみ部の形成を抑えることができ、上逆止弁４ａと下逆止弁４ｂとの密着性を確保することができる。本実施形では拡張流路部２０ａ、２０ｂを基準流路部２０ｃの両側にそれぞれ二ヶ所ずつ設けたが、一ヶ所ずつであっても良い。更に、基準流路部２０ｃの出口２０ｃ１の下流側には、空気の流れを幅方向側へ向きを変える規制部１２ｃが設けられている。この規制部１２ｃもフィルム２に上逆止弁４ａ、下逆止弁４ｂを予め溶着することで形成される。この規制部１２ｃも媒体収納部３の長手方向に対して交差する方向に延びる溶着部を設けることになるので、上逆止弁４ａと下逆止弁４ｂとの密着性を確保する為に機能することになる。この規制部１２ｃの構成であれば、導入部５から注入された空気は、スムーズに媒体収納部３へ充填されることになり、注入性能が損なわれることはない。また、この規制部１２ｃは、基準流路部２０の出口２０ｃ１の下流側で、空気の流れを幅方向側へ向きを変える為、媒体収納部１０３から空気の逆流を防止する機能を向上させる。   In order to prevent this, in this embodiment, as shown in FIG. 4, welded portions 12a3, 12a5, 12a7, 12a9, 12b3, 12b5, 12b7, 12b9 are provided. That is, by providing the weld portion extending in a direction intersecting with the longitudinal direction of the medium storage portion 3, a force is exerted to extend the upper check valve 104a and the lower check valve 104b in the intersecting direction. Thereby, as shown in FIG. 5, the formation of the slack portion described in the comparative example (FIG. 6) can be suppressed, and adhesion between the upper check valve 4a and the lower check valve 4b can be ensured. In the present embodiment, two extended flow path portions 20a and 20b are provided on each side of the reference flow path portion 20c, but one may be provided. Further, a regulating portion 12c that changes the direction of the air flow to the width direction side is provided on the downstream side of the outlet 20c1 of the reference channel portion 20c. The restricting portion 12c is also formed by previously welding the upper check valve 4a and the lower check valve 4b to the film 2. Since the restricting portion 12c is also provided with a welded portion extending in a direction intersecting with the longitudinal direction of the medium storage portion 3, the restricting portion 12c functions to ensure adhesion between the upper check valve 4a and the lower check valve 4b. Will do. If it is the structure of this control part 12c, the air inject | poured from the introduction part 5 will be smoothly filled into the medium storage part 3, and injection | pouring performance will not be impaired. In addition, the restricting portion 12c changes the direction of the air flow toward the width direction on the downstream side of the outlet 20c1 of the reference flow path portion 20, so that the function of preventing the backflow of air from the medium storage portion 103 is improved.

（梱包部材を用いた梱包方法）
以下に、電子写真画像形成装置本体に着脱可能なプロセスカートリッジを被梱包物として、梱包部材Ｓを用いた梱包方法を図７から図１３に示す。ここで電子写真画像形成装置とは、電子写真画像形成方式を用いて記録媒体に画像を形成するものである。そして電子写真画像形成装置の例としては、電子写真複写機、電子写真プリンタ（例えばレーザービームプリンタ、ＬＥＤプリンタ等）、ファクシミリ装置及びワードプロセッサ等が含まれる。また、プロセスカートリッジとは、プロセス手段としての帯電手段、現像手段、クリーニング手段の少なくとも１つと電子写真感光体とを一体的にカートリッジ化して画像形成装置本体に着脱可能とするものである。 (Packing method using packing materials)
A packing method using the packing member S with a process cartridge that can be attached to and detached from the electrophotographic image forming apparatus main body as an object to be packed is shown in FIGS. Here, the electrophotographic image forming apparatus forms an image on a recording medium using an electrophotographic image forming system. Examples of the electrophotographic image forming apparatus include an electrophotographic copying machine, an electrophotographic printer (for example, a laser beam printer, an LED printer), a facsimile machine, a word processor, and the like. The process cartridge is a cartridge in which at least one of a charging unit, a developing unit, and a cleaning unit as a process unit and an electrophotographic photosensitive member are integrally formed so as to be detachable from the main body of the image forming apparatus.

（１）梱包部材のシートからの切り取り（図３）
前述の複数の媒体収納部３と、逆止弁４、導入部５を有する梱包部材の長いロール状シートＳから、後述するプロセスカートリッジ３５を梱包するのに必要な所定幅の梱包部材Ｓ１が切り取られる。本実施の形態ではハサミＫ１を用いて梱包部材Ｓ１を切り取っているが、カッターや専用の切り取り装置を用いて梱包部材Ｓ１を切り取っても構わない。また、ロール状シートＳの中心には芯金Ｋ２が設けられているので、ロール状シートＳからシートを引き出しやすく、さらに梱包部材Ｓ１を切り取りやすい。また、自動機等によって梱包部材Ｓ１を切り取る際も、ロール状シートＳを所定位置にセットすることも容易になる。 (1) Cutting the packaging material from the sheet (Figure 3)
A packing member S1 having a predetermined width required for packing a process cartridge 35 to be described later is cut out from the long roll sheet S of the packing member having the plurality of medium storage units 3, the check valve 4, and the introduction unit 5. It is done. In the present embodiment, the packaging member S1 is cut using scissors K1, but the packaging member S1 may be cut using a cutter or a dedicated cutting device. Further, since the cored bar K2 is provided at the center of the roll-shaped sheet S, it is easy to pull out the sheet from the roll-shaped sheet S, and it is easy to cut out the packing member S1. Further, when the packing member S1 is cut out by an automatic machine or the like, it is easy to set the roll sheet S at a predetermined position.

（２）梱包部材を袋状に加工（図８〜図１０）
切り取られた梱包部材Ｓ１の媒体収納部３の長手方向において、略中央付近から２つ折りにする。２つ折にする場合は、媒体収納部３の長手方向の後端部５３が図９に示す位置にくるように重ねる。 (2) Processing the packaging member into a bag shape (FIGS. 8 to 10)
In the longitudinal direction of the medium storage portion 3 of the cut packaging member S1, the packaging member S1 is folded in half from the vicinity of the center. In the case of folding in two, they are stacked so that the rear end portion 53 in the longitudinal direction of the medium storage portion 3 comes to the position shown in FIG.

そして、図９に示すように、媒体収納部３の長手方向と交差する方向の両端部（溶着部１２、及び溶着部１３）を熱溶着（ヒートシール）することで、梱包部材Ｓ１を長手方向の一端が開口した袋形状にすることができる。また、溶着部１２、及び溶着部１３は、媒体収納部３の長手方向に沿って延びて設けられている。   And as shown in FIG. 9, the packaging member S1 is made into a longitudinal direction by heat-welding (heat-sealing) the both ends (welding part 12 and welding part 13) of the direction which cross | intersects the longitudinal direction of the medium accommodating part 3. As shown in FIG. It can be made into the bag shape which one end of opened. Further, the welded portion 12 and the welded portion 13 are provided to extend along the longitudinal direction of the medium storage portion 3.

（３）梱包部材Ｓ１に被梱包物（カートリッジ３５）を挿入（図１０）
図１０に示すように、長手方向の一端に設けられた開口１８から被梱包物であるカートリッジ３５を挿入する。すなわち、カートリッジ３５は、カートリッジ３５の長手方向と媒体収納部３の長手方向とが一致するように挿入される。 (3) Insert an object to be packed (cartridge 35) into the packing member S1 (FIG. 10).
As shown in FIG. 10, a cartridge 35, which is an object to be packed, is inserted from an opening 18 provided at one end in the longitudinal direction. That is, the cartridge 35 is inserted so that the longitudinal direction of the cartridge 35 and the longitudinal direction of the medium storage unit 3 coincide.

そして、図２３に示すように、開口１８を溶着部１４で熱溶着することで、カートリッジ３５が梱包材Ｓ１から輸送中に飛び出さないようにする。溶着部１４は、図２で述べたシール部４ａ１があるところを溶着する。それによって、開口１８を閉じた後でも後述するように媒体の注入をおこなうことができる。   And as shown in FIG. 23, the opening 18 is heat-welded by the welding part 14 so that the cartridge 35 does not jump out of the packaging material S1 during transportation. The welding part 14 welds the place where the seal part 4a1 described in FIG. 2 is present. Thereby, even after the opening 18 is closed, the medium can be injected as described later.

（４）媒体の注入（図９）
その後、媒体導入部５の注入口１１から媒体である空気の注入をおこなう。そして逆止弁４を介して夫々の媒体収納部３に空気を導入する。カートリッジ３５を入れてから空気を導入するのは、空気を導入すると夫々の媒体収納部３が膨らむことで袋の内寸が小さくなり、カートリッジ３５が挿入出来なくなるためである。すなわち、媒体収納部３は、カートリッジ３５を挿入してから空気を導入する事で、カートリッジ３５を保持しているのである。尚、本実施の形態で媒体として空気を導入したが、媒体としては空気に限定されずに、窒素ガス、酸素ガス等であっても良い。特に窒素ガスは、分子量が大きいので、プラスチックフィルム等からなる媒体収納部から漏れにくい。その他の媒体として、液体、流動体であっても差し支えない。 (4) Injection of medium (Fig. 9)
Thereafter, air as a medium is injected from the inlet 11 of the medium introducing unit 5. Then, air is introduced into each medium storage unit 3 through the check valve 4. The reason why air is introduced after the cartridge 35 is inserted is that when the air is introduced, the respective media storage portions 3 swell to reduce the inner size of the bag, and the cartridge 35 cannot be inserted. That is, the medium storage unit 3 holds the cartridge 35 by introducing air after the cartridge 35 is inserted. Although air is introduced as a medium in the present embodiment, the medium is not limited to air, and may be nitrogen gas, oxygen gas, or the like. In particular, since nitrogen gas has a large molecular weight, it is difficult to leak from a medium storage portion made of a plastic film or the like. Other media may be liquid or fluid.

そして、図２４に示すように、注入口１１（図８、図９参照）を溶着部１５で熱溶着することで、媒体導入部５と媒体収納部３を完全密封する。   Then, as shown in FIG. 24, the inlet 11 (see FIGS. 8 and 9) is thermally welded by the welding portion 15 to completely seal the medium introduction portion 5 and the medium storage portion 3.

（実施例２）
〔梱包部材の構成〕
実施例１においては、逆止弁が上逆止弁４ａと下逆止弁４ｂの２枚で構成されるものであった。実施例２においては、１枚の逆止弁４ｄで構成されるものである。 (Example 2)
[Composition of packing material]
In the first embodiment, the check valve is composed of two pieces, the upper check valve 4a and the lower check valve 4b. In Example 2, it is comprised by the one non-return valve 4d.

図１１は、梱包部材Ｓ１の中央の導入部５及び媒体収納部３を上から見た平面図である。また、図１２は図１１においてＣ−Ｃ断面において空気が入った状態を示した断面図である。   FIG. 11 is a plan view of the introduction part 5 and the medium storage part 3 at the center of the packaging member S1 as viewed from above. 12 is a cross-sectional view showing a state in which air enters in the CC cross section in FIG.

図１１は、フィルム２には逆止弁４ｄが、媒体収納部３の領域において溶着部１２ａ〜１２ｃによって、予め熱溶着されている。   In FIG. 11, a check valve 4 d is heat-welded to the film 2 in advance in the area of the medium storage unit 3 by welding units 12 a to 12 c.

そして、図１１、図１２に示すように、フィルム１とフィルム２が溶着されて梱包部材Ｓ１を構成する際に、導入部５において逆止弁４ｄがフィルム１に、溶着部１０によって溶着される。逆止弁４ｄには、溶着部８、１０が熱溶着される温度でも溶けない材質のシール部４ｄ１が塗布またはプリントされている。したがって、溶着部１０においてフィルム１とフィルム２に熱が加えられても、逆止弁４ｄとフィルム２とが溶着することは無い。また、導入部５と媒体収納部３との境界である溶着部８においても、シール部４ａ１が存在するところは逆止弁４ｄとが溶着することは無いので、導入部５から媒体収納部３へ空気を通過可能にする通路Ｐ２が確保されることになる。このシール部４ｄ１は、逆止弁４ｄではなく、フィルム２に塗布またはプリントされていても、同じ機能が得られる。   11 and 12, when the film 1 and the film 2 are welded to form the packaging member S1, the check valve 4d is welded to the film 1 by the welding portion 10 in the introduction portion 5. . The check valve 4d is coated or printed with a seal portion 4d1 made of a material that does not melt even at a temperature at which the weld portions 8 and 10 are thermally welded. Therefore, even if heat is applied to the film 1 and the film 2 at the welding portion 10, the check valve 4d and the film 2 are not welded. Further, in the welded portion 8 that is the boundary between the introduction portion 5 and the medium storage portion 3, the check valve 4 d is not welded where the seal portion 4 a 1 is present. A passage P2 that allows air to pass therethrough is secured. Even if this seal portion 4d1 is applied or printed on the film 2 instead of the check valve 4d, the same function can be obtained.

〔逆止弁の詳細構成〕
逆止弁４ｄをフィルム２に熱溶着する溶着部１２ａ〜１２ｃの形状については、実施例１と同じである。溶着部１２ａ〜１２ｃで熱溶着されることによって、逆止弁４ｄとフィルム２の間において空気を媒体収納部３に導入する為の流路２０が形成される。この流路２０は、媒体収納部の幅よりも当然狭い幅で、図１３に示すように逆止弁４ｄとフィルム２との間に形成される。即ち、空気が通過する際は、逆止弁４ｄが図１３に示すように２点鎖線のようになる。ここで、図１３は、図１１においるＤ−Ｄ断面図である。 [Detailed configuration of check valve]
About the shape of the welding parts 12a-12c which heat-weld the check valve 4d to the film 2, it is the same as Example 1. FIG. A heat flow path 20 for introducing air into the medium storage unit 3 is formed between the check valve 4d and the film 2 by heat welding at the welding units 12a to 12c. The flow path 20 is naturally narrower than the width of the medium storage portion, and is formed between the check valve 4d and the film 2 as shown in FIG. That is, when air passes, the check valve 4d becomes like a two-dot chain line as shown in FIG. Here, FIG. 13 is a DD cross-sectional view in FIG.

ここで、比較例として拡張流路部が無い場合の媒体収納部２０３の断面図を図１４に示す。媒体収納部２０３に空気が充填されることによって、フィルム２０１、２０２は図１４に示すように円弧形状になり、フィルム２０２の曲率が一番小さくなり、逆止弁２０４ｄの曲率が一番大きくなる。しかし、前述したようにフィルム２０２が平坦な状況で予め逆止弁２０４ｄが溶着されている。したがって媒体収納部２０３に空気が充填されることによって、逆止弁２０４ｄが媒体収納部２０３の内側にたるむたるみ部２０４ａ１が生じる。したがって逆止弁２０４ｄとフィルム２０２との密着性が悪くなることになる。   Here, as a comparative example, FIG. 14 shows a cross-sectional view of the medium storage portion 203 when there is no extended flow path portion. When the medium storage unit 203 is filled with air, the films 201 and 202 have an arc shape as shown in FIG. 14, the curvature of the film 202 is the smallest, and the curvature of the check valve 204d is the largest. . However, as described above, the check valve 204d is previously welded in a state where the film 202 is flat. Therefore, when the medium storage unit 203 is filled with air, a check valve 204d is formed on the inside of the medium storage unit 203 to form a slack portion 204a1. Therefore, the adhesion between the check valve 204d and the film 202 is deteriorated.

それを防ぐ為に、本実施例においても実施例１と同様に図４に示すように溶着部１２ａ３、１２ａ５、１２ａ７、１２ａ９、１２ｂ３、１２ｂ５、１２ｂ７、１２ｂ９を設けている。即ち、媒体収納部３の長手方向に対して交差する方向に延びる前記の溶着部を設けることによって、逆止弁４ｄを交差する方向に伸ばす力が働く。それによって、図１３に示すように比較例（図１４）で述べたたるみ部の形成を抑えることができ、逆止弁４ｄとフィルム２との密着性を確保することができる。その他の構成、効果は実施例１と同様である。   In order to prevent this, also in the present embodiment, as shown in FIG. 4, welded portions 12 a 3, 12 a 5, 12 a 7, 12 a 9, 12 b 3, 12 b 5, 12 b 7, 12 b 9 are provided. That is, by providing the weld portion extending in the direction intersecting with the longitudinal direction of the medium storage portion 3, a force for extending the check valve 4d in the intersecting direction works. Thereby, as shown in FIG. 13, the formation of the slack portion described in the comparative example (FIG. 14) can be suppressed, and the adhesion between the check valve 4d and the film 2 can be ensured. Other configurations and effects are the same as those of the first embodiment.

（実施例３）
〔梱包部材の構成〕
実施例１においては、流路２０は１つであったが、実施例３においては、流路を２つ設けたことを特徴とする。ここで、逆止弁４ｅをフィルム２に熱溶着する溶着部２４ａ〜２４ｃの形状については、図１５、図１６に示すように流路２１、２２が並んで設けられる構成になっている。基本的に実施例１での溶着部１２ａ，１２ｂを横に２つ並べた構成である。但し、真中の溶着部２４ｂは、実施例１の溶着部１２ａと溶着部１２ｂとが一体化した形状になっている。 (Example 3)
[Composition of packing material]
In the first embodiment, the number of the flow paths 20 is one, but in the third embodiment, two flow paths are provided. Here, about the shape of the welding parts 24a-24c which heat-weld the non-return valve 4e to the film 2, it has the structure by which the flow paths 21 and 22 are provided side by side as shown in FIG. 15, FIG. Basically, the welded portions 12a and 12b in the first embodiment are arranged side by side. However, the weld part 24b in the middle has a shape in which the weld part 12a and the weld part 12b of Example 1 are integrated.

詳細には、実施例１と同様に基準流路２１ｃは、溶着部２４ａ１、２４ａ２、２４ａ６、２４ａ１０、溶着部２４ｂ１、２４ｂ２、２４ｂ６、２４ｂ１０で構成される。また、基準流路２２ｃは、溶着部２４ｃ１、２４ｃ２、２４ｃ６、２４ｃ１０、溶着部２４ｂ１、２４ｂ２、２４ｂ６、２４ｂ１０で構成される。また、この拡張流路部２１ｂを形成する為に、溶着部２４ａには、溶着部２４ａ３〜溶着部２４ａ５、溶着部２４ａ７〜溶着部２４ａ９が設けられ、溶着部２４ｂには、溶着部２４ｂ３〜溶着部２４ｂ５、溶着部２４ｂ７〜溶着部２４ｂ９が設けられている。更に、この拡張流路部２２ｂを形成する為に、溶着部２４ｃには、溶着部２４ｃ３〜溶着部２４ｃ５、溶着部２４ｃ７〜溶着部２４ｃ９が設けられ、溶着部２４ｂには、溶着部２４ｂ３〜溶着部２４ｂ５、溶着部２４ｂ７〜溶着部２４ｂ９が設けられている。   Specifically, as in the first embodiment, the reference channel 21c includes welded portions 24a1, 24a2, 24a6, 24a10 and welded portions 24b1, 24b2, 24b6, 24b10. The reference channel 22c includes welded portions 24c1, 24c2, 24c6, 24c10 and welded portions 24b1, 24b2, 24b6, 24b10. Further, in order to form the expanded flow path portion 21b, the welded portion 24a is provided with welded portions 24a3 to 24a5 and welded portions 24a7 to 24a9, and the welded portion 24b is welded to the welded portions 24b3 to 24b3. A portion 24b5 and weld portions 24b7 to 24b9 are provided. Further, in order to form the expanded flow path portion 22b, the welded portion 24c is provided with welded portions 24c3 to 24c5, and welded portions 24c7 to 24c9, and the welded portion 24b is welded to the welded portions 24b3 to 24b3. A portion 24b5 and weld portions 24b7 to 24b9 are provided.

また、規制部２３ｃ１、２３ｃ２も基準流路部２１ｃ、２２ｃの出口の下流側にそれぞれに設けられている。流路２１、２２を２つ設けることによって、注入性をより良くすることができる。また、流路は２個に限らず、３個以上設けても良い。   Further, the restriction portions 23c1 and 23c2 are also provided on the downstream side of the outlets of the reference flow path portions 21c and 22c, respectively. By providing two flow paths 21 and 22, the injectability can be improved. Further, the number of flow paths is not limited to two, but may be three or more.

その他の構成は実施例１と同じである。   Other configurations are the same as those of the first embodiment.

（実施例４）
〔梱包部材の構成〕
図１７は、梱包部材の媒体収納部３の一つを上から見た平面図である。また、図１８は図１７においてＨ−Ｈ断面において空気が入った状態を示した断面図である。また、図１９は図１７においてＧ−Ｇ断面において空気が入った状態を示した断面図である。 Example 4
[Composition of packing material]
FIG. 17 is a plan view of one of the medium storage portions 3 of the packing member as viewed from above. FIG. 18 is a cross-sectional view showing a state in which air enters in the HH cross section in FIG. FIG. 19 is a cross-sectional view showing a state in which air enters in the GG cross section in FIG.

本実施例においては、逆止弁が、上逆止弁４ｆと下逆止弁４ｇとから構成されているのは、実施例１と同じである。また、フィルム２に上逆止弁４ｆと下逆止弁４ｇとが、媒体収納部３の領域において溶着部１２ａ〜１２ｃによって、予め熱溶着されているのも、実施例１と同じである。   In the present embodiment, the check valve is composed of an upper check valve 4f and a lower check valve 4g as in the first embodiment. Further, the upper check valve 4f and the lower check valve 4g are heat-welded to the film 2 in advance in the region of the medium storage portion 3 by the weld portions 12a to 12c, as in the first embodiment.

実施例１と異なるのは、導入部が設けられておらず、上逆止弁４ｆと下逆止弁４ｇ自身が導入部の機能を有することである。即ち、上逆止弁４ｆと下逆止弁４ｇとは、溶着部３４ａ〜３４ｃのほかに、溶着部３４ｄ〜３４ｅによって溶着されて、注入口３４ｇを有することになる。上逆止弁４ｆと下逆止弁４ｇに直接、空気を注入することになるので、注入性が良くなる。   The difference from the first embodiment is that the introduction portion is not provided, and the upper check valve 4f and the lower check valve 4g themselves have the function of the introduction portion. That is, the upper check valve 4f and the lower check valve 4g are welded by the welded portions 34d to 34e in addition to the welded portions 34a to 34c, and have an injection port 34g. Since air is directly injected into the upper check valve 4f and the lower check valve 4g, the injection property is improved.

流路３４ｆの形状については、実施例１と同じである。   The shape of the flow path 34f is the same as that of the first embodiment.

（実施例５）
実施例５においては、他の流路の形状について図２０〜図２２に記載した。基本的には、基準流路部２５ｄ〜３２ｄは、媒体収納部の長手方向に沿って形成され、２枚の逆止弁の間、又は、逆止弁とシートとの間において空気を長手方向に導くための流路である。また、基準流路部２５ｄ〜３２ｄの途中には、基準流路部２５ｄ〜３２ｄよりも広い幅を有する拡張流路部が設けられている。これらの拡張流路部を形成する為に、溶着部において、媒体収納部３の長手方向に対して交差する方向に延びる溶着部が設けられている。また、基準流路部の出口の下流側には、空気の流れを幅方向側へ向きを変える規制部２５ｃ〜３２ｃが設けられている。この規制部もフィルムに逆止弁を予め溶着することで形成される。この規制部も媒体収納部の長手方向に対して交差する方向に延びる溶着部を設けてある。 (Example 5)
In Example 5, the shapes of other flow paths are shown in FIGS. Basically, the reference flow path portions 25d to 32d are formed along the longitudinal direction of the medium storage portion, and the air flows in the longitudinal direction between the two check valves or between the check valve and the seat. It is a flow path for guiding to. Further, in the middle of the reference flow path portions 25d to 32d, an extended flow path portion having a width wider than the reference flow path portions 25d to 32d is provided. In order to form these extended flow path portions, a weld portion extending in a direction intersecting the longitudinal direction of the medium storage portion 3 is provided in the weld portion. In addition, on the downstream side of the outlet of the reference flow path portion, restriction portions 25c to 32c that change the direction of the air flow toward the width direction are provided. This restricting portion is also formed by previously welding a check valve to the film. This restricting portion is also provided with a welding portion extending in a direction intersecting with the longitudinal direction of the medium storage portion.

本実施例の梱包部材の平面図Plan view of the packaging member of this embodiment 本実施例の梱包部材の断面図Cross-sectional view of the packaging member of this example 本実施例の梱包部材における媒体収納部の平面図The top view of the medium storage part in the packaging member of a present Example 本実施例の梱包部材の流路の平面図Plan view of the flow path of the packaging member of this embodiment 本実施例の梱包部材における媒体収納部の断面図Sectional drawing of the medium storage part in the packaging member of a present Example 比較例の梱包部材における媒体収納部の断面図Sectional drawing of the medium storage part in the packaging member of a comparative example 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す斜視図The perspective view which shows the packing method which packs a cartridge using the packing member of this Embodiment 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す斜視図The perspective view which shows the packing method which packs a cartridge using the packing member of this Embodiment 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す平面図The top view which shows the packing method which packs a cartridge using the packing member of this Embodiment 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す斜視図The perspective view which shows the packing method which packs a cartridge using the packing member of this Embodiment 本実施例の梱包部材における媒体収納部の平面図The top view of the medium storage part in the packaging member of a present Example 本実施例の梱包部材の断面図Cross-sectional view of the packaging member of this example 本実施例の梱包部材における媒体収納部の断面図Sectional drawing of the medium storage part in the packaging member of a present Example 比較例の梱包部材における媒体収納部の断面図Sectional drawing of the medium storage part in the packaging member of a comparative example 本実施例の梱包部材における媒体収納部の平面図The top view of the medium storage part in the packaging member of a present Example 本実施例の梱包部材の流路の平面図Plan view of the flow path of the packaging member of this embodiment 本実施例の梱包部材における媒体収納部の平面図The top view of the medium storage part in the packaging member of a present Example 本実施例の梱包部材の断面図Cross-sectional view of the packaging member of this example 本実施例の梱包部材における媒体収納部の断面図Sectional drawing of the medium storage part in the packaging member of a present Example 本実施例の梱包部材の流路の平面図Plan view of the flow path of the packaging member of this embodiment 本実施例の梱包部材の流路の平面図Plan view of the flow path of the packaging member of this embodiment 本実施例の梱包部材の流路の平面図Plan view of the flow path of the packaging member of this embodiment 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す斜視図The perspective view which shows the packing method which packs a cartridge using the packing member of this Embodiment 本実施の形態の梱包部材を用いてカートリッジを梱包する梱包方法を示す斜視図The perspective view which shows the packing method which packs a cartridge using the packing member of this Embodiment

符号の説明Explanation of symbols

Ｓ１ 梱包部材
３ 媒体収納部
４ 逆止弁
２０、２１、２２ 流路
２０ｃ、２１ｃ、２２ｃ 基準流路部
２０ａ、２０ｂ、２１ａ、２１ｂ、２２ａ、２２ｂ 拡張流路部 S1 Packing member 3 Medium storage part 4 Check valve 20, 21, 22 Flow path 20c, 21c, 22c Reference flow path part 20a, 20b, 21a, 21b, 22a, 22b Extended flow path part

Claims (7)

被梱包物を梱包する梱包部材において、媒体を収納する媒体収納部と、
前記媒体収納部の長手方向に沿って前記媒体収納部へ向かう媒体は通過させて、前記媒体収納部から逆流する媒体は規制する逆止弁と、
前記逆止弁を前記媒体収納部に溶着することで形成される、前記媒体が通過する流路であって、前記長手方向に延びる基準流路部と、前記基準流路部よりも広い幅を有する拡張流路部と、を備える流路と、
を有することを特徴とする梱包部材。 In a packing member for packing an article to be packed, a medium storage section for storing a medium;
A check valve that allows a medium that is directed to the medium storage unit along the longitudinal direction of the medium storage unit to pass therethrough and restricts a medium that flows backward from the medium storage unit;
A flow path through which the medium passes, formed by welding the check valve to the medium storage section, and has a reference flow path section extending in the longitudinal direction and a width wider than the reference flow path section. An extended flow path portion having a flow path,
A packaging member comprising: 更に、前記梱包部材は、
前記媒体収納部に媒体を導入する方向において前記流路の下流側に設けられた、前記逆止弁を前記媒体収納部に溶着することで形成される、前記基準流路部よりも広い幅を有する規制部であって、前記流路を通過した媒体を前記媒体収納部の幅方向側へ向きを変える規制部を有することを特徴とする請求項１に記載の梱包部材。 Furthermore, the packaging member is
A width wider than the reference flow path portion formed by welding the check valve provided on the downstream side of the flow path in the direction of introducing the medium into the medium storage section. The packaging member according to claim 1, further comprising a restriction portion that changes the direction of the medium that has passed through the flow path toward the width direction of the medium storage portion. 前記逆止弁は２枚の可撓性シートから構成されて前記媒体収納部に溶着され、前記２枚の可撓性シートの間に前記媒体が通過可能であることを特徴とする請求項１または２に記載の梱包部材。   2. The check valve according to claim 1, wherein the check valve is composed of two flexible sheets and is welded to the medium storage unit, and the medium can pass between the two flexible sheets. Or the packing member of 2. 前記逆止弁は１枚の可撓性シートから構成されて前記媒体収納部に溶着され、前記可撓性シートと前記媒体収納部の間に前記媒体が通過可能であることを特徴とする請求項１または２に記載の梱包部材。   The check valve is composed of a single flexible sheet and is welded to the medium storage unit, and the medium can pass between the flexible sheet and the medium storage unit. Item 3. A packaging member according to item 1 or 2. 前記流路には、前記拡張流路部が前記長手方向と交差する方向に複数個並んで設けられていることを特徴とする請求項１乃至４のいずれかに記載の梱包部材。   5. The packaging member according to claim 1, wherein a plurality of the extended flow path portions are arranged in the flow path in a direction intersecting the longitudinal direction. 前記流路には、前記拡張流路部が前記長手方向に複数個並んで設けられていることを特徴とする請求項１乃至５のいずれかに記載の梱包部材。   The packaging member according to any one of claims 1 to 5, wherein a plurality of the extended flow path portions are arranged in the longitudinal direction in the flow path. 前記梱包部材には、前記流路が前記長手方向と交差する方向に複数並んで設けられていることを特徴とする請求項１乃至６のいずれかに記載の梱包部材。   The packing member according to any one of claims 1 to 6, wherein a plurality of the flow paths are provided in the packing member in a direction intersecting the longitudinal direction.
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EP2340218B1 (en) 2015-01-14
CN102159470A (en) 2011-08-17
US20100072103A1 (en) 2010-03-25
US20140326632A1 (en) 2014-11-06

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