JP5480061B2 - Shrink film packaging - Google Patents

Shrink film packaging Download PDF

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JP5480061B2
JP5480061B2 JP2010178653A JP2010178653A JP5480061B2 JP 5480061 B2 JP5480061 B2 JP 5480061B2 JP 2010178653 A JP2010178653 A JP 2010178653A JP 2010178653 A JP2010178653 A JP 2010178653A JP 5480061 B2 JP5480061 B2 JP 5480061B2
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film
holes
package
shrink film
hole
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JP2012035877A (en
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章好 加納
淳一 宮
浩太郎 中間
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Rengo Co Ltd
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Rengo Co Ltd
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この発明は、熱収縮性フィルムにより物品を包装するシュリンクフィルム包装体であって、開封性を改善したものに関する。   The present invention relates to a shrink film package in which an article is packaged with a heat-shrinkable film, which has improved openability.

例えば、下記特許文献１には、図５に示すように、ビール等の飲料を封入したペットボトル５０を、熱収縮性を有する遮光用のフィルム５１により包装し、飲料の変質を防止するシュリンクフィルム包装体が記載されている。   For example, in Patent Document 1 shown below, as shown in FIG. 5, a plastic bottle 50 enclosing a beverage such as beer is packaged with a light-shrinkable film 51 having heat-shrinkability to prevent the beverage from being altered. A package is described.

この包装体は、帯状のフィルム５１の一端に沿って上下方向に延びる平行な２〜３列の直線上に多数の穴５２を穿設し、このフィルム５１を円筒状に巻いて、フィルム５１の両端部を穴５２が並ぶ部分よりも端縁側で貼り合わせ、その状態でフィルム５１をペットボトル５０に被せ、熱収縮させたものとされている。   This package body has a large number of holes 52 formed in two or three parallel straight lines extending in the vertical direction along one end of the belt-like film 51, and the film 51 is wound into a cylindrical shape. Both ends are bonded to each other on the edge side of the portion where the holes 52 are arranged, and in this state, the film 51 is put on the PET bottle 50 and thermally contracted.

この包装体を開封するには、フィルム５１を、穴５２が並ぶ部分の上端の切り欠いた部分から下方へかけて引き裂く。このとき、フィルム５１は、穴５２の間が順次裂けて直線的に切断される。   In order to open the package, the film 51 is torn downward from the cutout portion at the upper end of the portion where the holes 52 are arranged. At this time, the film 51 is sequentially cut between the holes 52 and cut linearly.

特許４１２１９１７号公報Japanese Patent No. 4121917

しかしながら、上記のようなシュリンクフィルム包装体では、開封できる位置及び方向が限定されているため、食品の個装箱を集積包装する場合のように、迅速な開封性が要求される包装には適さないという問題があった。   However, since the position and direction in which the shrink film package as described above can be opened are limited, it is suitable for packaging that requires quick opening as in the case of collecting and packaging individual packaging boxes of food. There was no problem.

そこで、この発明は、シュリンクフィルム包装体を、いずれの位置及び方向からでも開封できるようにすることを課題とする。   Then, this invention makes it a subject to enable it to open a shrink film packaging body from any position and direction.

上記課題を解決するため、この発明は、被包装物を熱収縮性を有するフィルムで包装したシュリンクフィルム包装体において、前記フィルムとして、全面に亘って多数列平行に並ぶ直線上に多数の穴を穿設したものを使用したのである。具体的には、フィルムにおける穴の配置を、直交格子状又は菱形格子状としたのである。   In order to solve the above-described problems, the present invention provides a shrink film package in which an article to be packaged is wrapped with a heat-shrinkable film. As the film, a large number of holes are formed on a straight line arranged in multiple rows over the entire surface. What was drilled was used. Specifically, the holes in the film are arranged in an orthogonal lattice shape or a rhombus lattice shape.

この発明に係るシュリンクフィルム包装体では、被包装物を包装した状態において、フィルムをいずれの位置及び方向から引っ張っても、穴の間が順次裂けてフィルムが切断されるので、容易に開封することができる。また、様々な物品の包装に汎用的に使用することができ、その開封性を向上させることができる。   In the shrink film package according to the present invention, even if the film is pulled from any position and direction in the state in which the package is packaged, the holes are sequentially torn and the film is cut, so that the film can be easily opened. Can do. Moreover, it can be used universally for the packaging of various articles | goods, The openability can be improved.

この発明に係るシュリンクフィルム包装体の実施形態を示す斜視図The perspective view which shows embodiment of the shrink film package which concerns on this invention 同上の穴を直交格子状に配置したフィルムを示す図The figure which shows the film which arranged the hole same as the above in the form of an orthogonal lattice 同上の穴を菱形格子状に配置したフィルムを示す図The figure which shows the film which arranged the hole same as the above in the rhombus lattice form 同上の包装機械による包装工程を示す斜視図The perspective view which shows the packaging process by the packaging machine same as the above 従来のペットボトル用シュリンクフィルム包装体を示す正面図Front view showing a conventional shrink film packaging for PET bottles

以下、この発明の実施形態を添付図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

図１に示すシュリンクフィルム包装体は、食品の個装箱Ｂを複数個集積して包装するものである。この包装体は、熱収縮性を有するポリエチレン、ポリプロピレン等のフィルム１から成るものとし、フィルム１としては、全面に亘って多数列平行に並ぶ直線上に多数の穴２を穿設したのものを使用する。   The shrink film package shown in FIG. 1 is a package in which a plurality of food packaging boxes B are collected and packaged. This package is composed of a film 1 made of heat-shrinkable polyethylene, polypropylene, or the like, and the film 1 is a film having a large number of holes 2 formed on a straight line arranged in multiple rows in parallel over the entire surface. use.

フィルム１における穴２の配置は、例えば、図２に示すように、穴２が並ぶ直線が直角に交わる直交格子状としてもよく、図３に示すように、穴２が並ぶ直線が斜めに交わる菱形格子状としてもよい。   The arrangement of the holes 2 in the film 1 may be, for example, an orthogonal lattice shape in which the straight lines in which the holes 2 are arranged intersect at a right angle as shown in FIG. 2, and the straight lines in which the holes 2 are arranged in an oblique manner as shown in FIG. It may be a rhombus lattice.

フィルム１の厚さは１０〜１００μｍとするのがよく、穴２の大きさは、直径０．２〜３．０ｍｍとし、同一直線上での穴２の間隔は、穴の大きさ×１．２〜穴の大きさ×１０とするのがよい。   The thickness of the film 1 is preferably 10 to 100 μm, the size of the hole 2 is 0.2 to 3.0 mm in diameter, and the interval between the holes 2 on the same straight line is the size of the hole × 1. 2 to the size of the hole x 10 is preferable.

この包装体により個装箱Ｂを包装する際には、例えば、図４に示すように、コンベヤ３で個装箱Ｂを搬送しつつ、ロール４から繰り出されたフィルム１により集積した個装箱Ｂを寄せ合わせるように張力を与えつつ包み込み、シュリンクトンネル５の通過に伴い、フィルム１を熱収縮させて、個装箱Ｂに密着させる。   When packaging the individual packaging box B with this packaging body, for example, as shown in FIG. 4, the individual packaging box accumulated by the film 1 fed from the roll 4 while conveying the individual packaging box B by the conveyor 3. The film 1 is wrapped while applying tension so as to bring B together, and the film 1 is heat-shrinked as it passes through the shrink tunnel 5 so as to be in close contact with the individual packaging box B.

このようなシュリンクフィルム包装体では、被包装物である個装箱Ｂを包装した状態において、フィルム１をいずれの位置及び方向から引っ張っても、穴２の間が順次裂けてフィルム１が切断されるので、容易に開封することができる。   In such a shrink film package, even when the film 1 is pulled from any position and direction in the state where the individual packaging box B which is an object to be packaged is wrapped, the holes 2 are sequentially torn and the film 1 is cut. Therefore, it can be opened easily.

また、穴２の密度を適宜調整することにより、フィルム１の強度は確保されるので、個装箱Ｂの集積力が損なわれることもない。   Moreover, since the intensity | strength of the film 1 is ensured by adjusting the density of the hole 2 suitably, the integration | stacking force of the individual packaging box B is not impaired.

また、切り始めの契機となるノッチを入れる必要がなく、易開封加工を施した包装体であることが直感的に理解できるため、フィルム１に開封方法を表示する必要もない。   Moreover, since it is not necessary to insert a notch as an opportunity to start cutting and it can be intuitively understood that the package has been subjected to easy opening processing, it is not necessary to display the opening method on the film 1.

さらに、フィルム１の製造段階で穴２を形成するだけであり、包装工程で付加的な加工が必要ないので、包装機械の改造や変更を行う必要もない。   Furthermore, since the hole 2 is only formed at the manufacturing stage of the film 1 and no additional processing is required in the packaging process, there is no need to modify or change the packaging machine.

なお、上記実施形態では、直方体の個装箱Ｂを集積包装したものを例示したが、円筒状の食品缶やドリンク剤等のボトルを集積包装する場合にも、同様のシュリンクフィルム包装体を使用することができる。   In addition, in the said embodiment, what wraps and packs the cuboid individual packaging box B was illustrated, However, The same shrink film packaging body is used also when packaging bottles, such as a cylindrical food can and a drink, etc. can do.

１ フィルム
２ 穴
３ コンベヤ
４ ロール
５ シュリンクトンネル 1 Film 2 Hole 3 Conveyor 4 Roll 5 Shrink Tunnel

Claims (1)

被包装物を熱収縮性を有するフィルム(1)で包装したシュリンクフィルム包装体において、前記フィルム(1)として、全面に亘って多数列平行に並ぶ直線上に多数の穴(2)を穿設し、穴(2)の配置を、直交格子状又は菱形格子状としたものを使用し、被包装物をその外周に巻き付けるように張力を与えつつフィルム(1)により包み込み、フィルム(1)を熱収縮させて被包装物に密着させることにより、側面にフィルム(1)の端縁で囲まれた開口部が生じ、その開口縁に臨む部分では穴(2)の密度が高くなり、開口縁から離れるにしたがって穴(2)の密度が低くなるようにしたことを特徴とするシュリンクフィルム包装体。 In the shrink film package in which an article to be packaged is wrapped with a heat-shrinkable film (1), a large number of holes (2) are drilled on the straight line arranged in multiple rows over the entire surface as the film (1). The hole (2) is arranged in an orthogonal lattice shape or a rhombus lattice shape, and wrapped with the film (1) while applying tension so as to wrap the article to be wrapped around the outer periphery of the film (1). By heat-shrinking and closely adhering to the object to be packaged, an opening surrounded by the edge of the film (1) is formed on the side surface, and the density of the hole (2) increases at the portion facing the opening edge, and the opening edge A shrink film packaging body characterized in that the density of the holes (2) decreases as the distance from the surface increases.
JP2010178653A 2010-08-09 2010-08-09 Shrink film packaging Active JP5480061B2 (en)

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JP5811242B1 (en) * 2014-07-11 2015-11-11 大日本印刷株式会社 Shrink package, manufacturing method of shrink package, and manufacturing apparatus thereof
RU2682343C2 (en) * 2014-08-29 2019-03-19 Филип Моррис Продактс С.А. Container with wrapper with detachable tab
JP2018052532A (en) * 2016-09-27 2018-04-05 株式会社フジシール Package and long film
WO2023248428A1 (en) * 2022-06-23 2023-12-28 吉秀 西川 Perforated shrink film, package using perforated shrink film, packaging device, perforated shrink film manufacturing method, and packaging method using perforated shrink film

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JPS50136645U (en) * 1974-04-24 1975-11-11
JPS61172A (en) * 1984-06-06 1986-01-06 三井東圧化学株式会社 Film for packaging coin
JPH07257632A (en) * 1994-03-16 1995-10-09 Teijin Ltd Arbitrarily tear-openable film, arbitrarily tear-openable package using the film, an usage of the package
JP3598145B2 (en) * 1994-08-31 2004-12-08 富士写真フイルム株式会社 Photosensitive material packaging and packaging equipment
JPH11165761A (en) * 1997-12-05 1999-06-22 Okura Ind Co Ltd Shrink package of gable-top container
JP2003292030A (en) * 2002-03-29 2003-10-15 Fuji Photo Film Co Ltd Shrink package and shrink packaging device

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