JP3695492B2 - Packaging container material - Google Patents
Packaging container material Download PDFInfo
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- JP3695492B2 JP3695492B2 JP29754796A JP29754796A JP3695492B2 JP 3695492 B2 JP3695492 B2 JP 3695492B2 JP 29754796 A JP29754796 A JP 29754796A JP 29754796 A JP29754796 A JP 29754796A JP 3695492 B2 JP3695492 B2 JP 3695492B2
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- container
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- lid
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- 238000004806 packaging method and process Methods 0.000 title claims description 46
- 239000012611 container material Substances 0.000 title claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 235000013305 food Nutrition 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012778 molding material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 235000021067 refined food Nutrition 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 235000011890 sandwich Nutrition 0.000 description 1
- 235000012046 side dish Nutrition 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
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- Closures For Containers (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は、生鮮食品、加工食品等の食品類の包装に好適であり、その他、装身具、文房具、電子部品、機械部品、工具等の包装用にも有用な包装容器材に関し、さらに詳しくは容器外部からの異物混入を防止を目的とする特定の構造を有する、器体および蓋体が、蝶番状動作部分を共有して、連続一体に成形された包装容器材、特に食品用包装容器材に関するものである。
【０００２】
【従来技術】
洋菓子、サンドウィッチ、惣菜、ハンバーガー、詰め合わせ料理ないし弁当等の加工食品用包装容器材として、蝶番状動作部分を共有して連続に成形された器体・蓋体一体型包装容器材が用いられている。従来使用されてきた一体型包装容器材は、器体へ被包装物を入れて蝶番状動作部分で曲げて、器体および蓋体の周辺部のフランジ部分を重ねあわせて繋止することにより閉蓋容器を形成する。しかし、蝶番状動作部分の反発力が強いと、閉蓋容器形成時に容器側面部の蝶番状動作部分に近いフランジ部分が完全に密着せず、保管・運搬時に隙間から昆虫等の異物が混入することがある。
【０００３】
【発明が解決しようとする課題】
上記のような問題点を解決するために、図５のように器体の周辺部に凸部を設けて虫返しとし、側面部の器体と蓋体の嵌合部分に隙間が空いても凸部の側面が壁となって異物の混入を防ぐように形成された包装容器材も使用されているが、特に、シュークリーム等の洋菓子の包装容器の場合、蝶番状動作部分が長い横長の包装容器を用いる場合が多く、蝶番状動作部分の反発力が強いため、閉蓋容器形成時に、図６のように容器側部の蝶番状動作部分に近い側面部の器体と蓋体の嵌合部分の隙間が大きくなって、器体の周辺部の凸部による異物の混入防止の作用が得られないことがあり、問題となっていた。
器体の周辺部の凸部の高さを全体的に高くすると嵌合時に凸部と凹部が引っかかり易く、嵌合がスムーズに行われにくくなるため、本発明者は、閉蓋容器形成後に、側面部の器体と蓋体の嵌合部分に隙間が空いても、容器内部に異物が混入せず、かつ嵌合がスムーズに行われるよう成形することにより上記問題点を解決することを見出したのである。
【０００４】
【課題を解決するための手段】
本発明は、器体および蓋体が、蝶番状動作部分を共有して、連続一体に成形されており、器体および蓋体の周辺部を重ね合わせて固定することにより、閉蓋容器が形成される包装容器材において、器体または蓋体の、一方の周辺部分に凸部を、もう一方の周辺部分に該凸部と嵌合する凹部を形成し、該凸部の、蝶番状動作部分から近い方の該凸部の高さｈ1を、蝶番状動作部分から遠い方の該凸部の高さｈ2よりも大きくなるようにすると共に、該凸部の高さが蝶番状動作部分に近い方から遠い方へ漸次低くなるように成形し、一方、該凹部の高さをｈ2以下で均一の高さになるように成形することにより、閉蓋容器形成時に容器外部からの異物混入を防止するようにしたことを特徴とする包装容器材を、さらに好ましくは食品用包装容器材を提供するものである。
【０００５】
【発明の実施の形態】
本発明の包装容器材の構造態様を図１〜図４に例示する。
図１は、本発明の実施例の一つである包装容器材の側面図、図２は図１の包装容器材の平面図、図３は図１の包装容器材によって形成される閉蓋容器の外観斜視図、図４は図１の包装容器材の作用を示す説明図である。
【０００６】
図１、２に示したごとく、器体Ａおよび蓋体Ｂが、蝶番状動作部分３を共有して、連続一体に成形されており、器体の周辺部分に形成された凸部１と蓋体の周辺部分に形成された凹部２を嵌合し、器体Ａおよび蓋体Ｂの周辺部フランジ部分４、５を重ね合わせて固定することにより、図３のような閉蓋容器Ｃを形成する。器体の周辺部分に形成された凸部１において、蝶番状動作部分３から近い方の凸部１ａの高さｈ1が、蝶番状動作部分３から遠い方の凸部１ｂの高さｈ2よりも大きくなるように成形し、一方、蓋体の周辺部分に形成された該凸部１と嵌合する凹部２の高さをｈ2以下で均一の高さになるよう成形することにより、閉蓋容器Ｃ形成時に、容器外部からの異物混入を防止するようにしたことを特徴とする。
【０００７】
図３に示したごとく、蝶番状動作部分が長い横長の容器の場合、蝶番状動作部分の反発力が強くなり、閉蓋容器形成時に蝶番状動作部分に近いフランジ部分が完全に密着せず、保管・運搬時に隙間が生じ易いが、ｈ1＞ｈ2であることにより、図４のように、器体の周辺部分に形成された凸部１と蓋体の周辺部分に形成された凹部２が密着し、閉蓋時に器体Ａの周辺部に形成された凸部１の側面が閉蓋容器の内側で壁となり、隙間をふさぐようになる。該凸部１は蝶番状動作部分３から遠い方の凸部１ｂの高さｈ2を従来の包装容器材の嵌合部凸部と同程度の高さに設定し、蝶番状動作部分３から近い方の凸部１ａの高さｈ1を従来の包装容器材の嵌合部凸部よりも高く設定し、一方、該凸部１と嵌合する蓋体Ｂの周辺部分に形成された凹部２を従来と同様の高さｈ2で均一になるよう成形することにより、該凸部１によって器体Ａと蓋体Ｂの嵌合が妨げられず、かつ該凸部１と該凹部２が密着して、異物の混入を防止することが可能になる。
【０００８】
周辺部に形成される凸部は、器体側であっても蓋体側であっても良く、閉蓋容器形成時に、該凸部を形成した側と相対する側の周辺部に、該凸部と嵌合する凹部を設ければ良い。また好ましくは、器体の周辺部が凸型形状、蓋体の周辺部が凹型形状であるのが良い。
【０００９】
本発明に用いる器体と蓋体は、各種プラスチック、紙、アルミニウム等の金属等により、成形することができ、好ましくは硬質ないしは半硬質熱可塑性プラスチック成形材料を用いるのが良い。これらのプラスチック成形材料は、フィルムまたはシート状に加工し、次いで真空成形法や圧空成形法等により、熱成形するか、または該成形材料を直接射出成形するかして包装容器材を容易に量産することができる。
なお、上記の成形材料としては、例えば、塩化ビニール系樹脂、ポリオレフィン系樹脂、ポリスチレン系樹脂、ポリエステル系樹脂、ポリアクリル系樹脂、ポリカーボネート系樹脂各種の熱可塑性樹脂を主材とする材料を使用することができる。
【００１０】
本発明の包装容器材は、それから組み立てられる包装容器の形状、例えば直方体、円板体、円筒体、楕円体、球体等の各種形状を形成し得るように成形される。
【００１１】
本発明の包装容器材から閉蓋容器を形成する際の、器体と蓋体の固定方法は特に限定はされず、器体および蓋体にそれぞれフランジを設け、該フランジを重ね合わせて、粘着テープ、ステープラー、熱融着等の一般の方法により繋止してもよいし、器体および蓋体のそれぞれ周辺部に設けた凸部および凹部の相対する適宜の部位に、相互に嵌合し、繋止し合う構造部分を設けても良い。
【００１２】
本発明における、蝶番状動作部分３から近い方の凸部１ａの高さｈ1と蝶番状動作部分３から遠い方の凸部１ｂの高さｈ2の差は、それぞれ器体および蓋体より形成される閉蓋容器の大きさ、形状、構成材料の厚み、物性、および収容物の形態、荷重等に対応させて、設定される。
ｈ1とｈ2の差が、過小であると、本発明の目的とする効果が得られ難くなり、過大であると、器体と蓋体の嵌合が阻害される。
【００１３】
周辺部分に形成された凸部の側面形状は、ｈ1＞ｈ2であり、閉蓋時に該凸部の側面が閉蓋容器の内側で壁となるようであれば、特に限定はされず、例えば下記のような形状が挙げられる。
また、周辺部分に形成された凹部の側面形状は、高さがｈ2以下で均一であり、閉蓋時に上述の周辺部分に形成された凸部と密着する形状であれば、特に限定はされない。
【００１５】
例えば、厚さ０．２ｍｍの透明硬質塩化ビニールフィルムを真空成形して作成してなる、内寸が長辺２４０ｍｍ、短辺８５ｍｍ、器体の高さ３０ｍｍ、蓋体の高さ３５ｍｍの概ね直方体の容器形成用の連続一体容器の場合、器体の周辺部分に形成された凸部の、蝶番動作部分３から近い方の凸部1ａの高さｈ1を７ｍｍ、蝶番動作部分３から遠い方の凸部１ｂの高さｈ２を４ｍｍにし、該凸部の高さが蝶番動作部分３から近い方から遠い方へ漸次低くなるよう成形し、蓋体の周辺部分に形成された凹部２の高さを４ｍｍで均一になるよう成形するのが良い。
【００１６】
また、蝶番状動作部分は、端部に綾線を設け、反発力を弱めてもよい。
【００１７】
【発明の効果】
本発明の包装容器材は、上述の構成であるので、従来の包装容器材に比較して、閉蓋容器形成時に、器体と蓋体の嵌合が阻害することなく、容器外部からの異物混入を防止することが可能になる。従って、本発明の包装容器材は、食品用に限らず、異物混入を嫌う物品の包装容器材として甚だ好適である。
【図面の簡単な説明】
【図１】本発明の実施例の一つである包装容器材の側面図である。
【図２】図１の包装容器材の平面図である。
【図３】図１の包装容器材から形成される閉蓋容器の外観斜視図である。
【図４】（ａ）図１の包装容器材から形成される閉蓋容器の側面図である。（ｂ）本発明の包装容器材の作用を説明する（ａ）のＸ−Ｘ’断面の嵌合部拡大図である。
【図５】従来の包装容器材の側面図である。
【図６】（ａ）従来の包装容器材から形成される閉蓋容器の側面図である。（ｂ）（ａ）のＹ−Ｙ’断面の嵌合部拡大図である。
【符号の説明】
Ａ 器体
Ｂ 蓋体
Ｃ 包装容器
１ 器体周辺部に形成された凸部
１ａ 蝶番状動作部から近い方の凸部
１ｂ 蝶番状動作部から遠い方の凸部
２ 蓋体周辺部に形成された凹部
３ 蝶番状動作部
４ 器体フランジ部分
５ 蓋体フランジ部分
６ 熱融着部
７ 異物
ｈ1 蝶番状動作部分から近い方の凸部の高さ
ｈ2 蝶番状動作部分から遠い方の凸部の高さ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packaging container material that is suitable for packaging foods such as fresh foods and processed foods, and is also useful for packaging accessories, stationery, electronic parts, machine parts, tools, etc. The container body and the lid body having a specific structure for the purpose of preventing foreign matter from entering from the outside share a hinge-like operation part, and particularly relates to a packaging container material, particularly a food packaging container material. Is.
[0002]
[Prior art]
As a packaging container material for processed foods such as Western confectionery, sandwiches, side dishes, hamburgers, assorted dishes or lunch boxes, a container / integrated packaging container material that is continuously formed sharing a hinge-like moving part is used. . Conventionally used integrated packaging container materials are closed by putting the packaged items in the container, bending it at the hinge-shaped moving part, and overlapping and fixing the flange part around the container and the lid. A lid container is formed. However, if the repulsive force of the hinge-like moving part is strong, the flange part near the hinge-like moving part on the side of the container will not adhere completely when forming a closed container, and foreign substances such as insects will enter from the gap during storage and transportation Sometimes.
[0003]
[Problems to be solved by the invention]
In order to solve the above problems, even if there is a gap between the fitting part of the side body and the lid, a convex part is provided on the peripheral part of the body as shown in FIG. Packaging container material formed so that the side of the convex part becomes a wall to prevent foreign substances from entering is also used, but in the case of confectionery packaging containers such as cream puffs, the horizontally long packaging with a long hinge-like moving part Since the container is often used and the repulsive force of the hinge-like operation part is strong, when the closed container is formed, the fitting on the side part close to the hinge-like action part on the side of the container as shown in FIG. The gap between the portions becomes large, and it may not be possible to obtain the effect of preventing the foreign matter from being mixed by the convex portions at the periphery of the container.
When the height of the convex part of the peripheral part of the vessel body is generally increased, the convex part and the concave part are easily caught at the time of fitting, and the fitting is difficult to be performed smoothly. It has been found that the above-mentioned problems can be solved by molding so that the foreign matter does not enter the container and the fitting is performed smoothly even if there is a gap in the fitting part between the side body and the lid. It was.
[0004]
[Means for Solving the Problems]
In the present invention, the container body and the lid body are formed in a continuous and integral manner sharing the hinge-shaped operation part, and the closed container is formed by overlapping and fixing the peripheral parts of the container body and the lid body. In the packaging container material, a convex part is formed in one peripheral part of the container body or the lid, and a concave part that fits the convex part is formed in the other peripheral part, and the hinge-like operation part of the convex part The height h1 of the convex portion closer to the head is made larger than the height h2 of the convex portion far from the hinge-shaped operating portion, and the height of the convex portion is close to the hinge-shaped operating portion. By forming the recess so that it gradually decreases from the side to the far side, while forming the recess to a uniform height below h2, foreign matter from outside the container is prevented when forming a closed container. A packaging container material, more preferably a food packaging container material, is provided. It is intended to.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The structural aspect of the packaging container material of this invention is illustrated in FIGS.
FIG. 1 is a side view of a packaging container material according to one embodiment of the present invention, FIG. 2 is a plan view of the packaging container material of FIG. 1, and FIG. 3 is a closed container formed by the packaging container material of FIG. FIG. 4 is an explanatory view showing the operation of the packaging container material of FIG.
[0006]
As shown in FIGS. 1 and 2, the container A and the lid B are formed in a continuous and integral manner sharing the hinge-shaped operation part 3, and the
[0007]
As shown in FIG. 3, in the case of a horizontally long container with a long hinge-like moving part, the repulsive force of the hinge-like moving part becomes strong, and the flange part close to the hinge-like moving part is not completely adhered when the closed container is formed, Although a gap is likely to occur during storage and transportation, h 1 > h 2 , so that as shown in FIG. 4, the
[0008]
The convex portion formed on the peripheral portion may be on the container side or on the lid side, and when forming the closed container, the convex portion is formed on the peripheral portion on the side opposite to the side on which the convex portion is formed. What is necessary is just to provide the recessed part to fit. Preferably, the peripheral part of the vessel body has a convex shape and the peripheral part of the lid body has a concave shape.
[0009]
The container and lid used in the present invention can be molded from various plastics, metals such as paper, aluminum, etc., and preferably a rigid or semi-rigid thermoplastic molding material is used. These plastic molding materials are processed into a film or a sheet, and then heat-molded by vacuum molding, pressure molding, etc., or the molding material is directly injection molded to easily mass-produce packaging container materials. can do.
In addition, as said molding material, the material which uses the thermoplastic resin as a main material is used, for example, vinyl chloride resin, polyolefin resin, polystyrene resin, polyester resin, polyacryl resin, polycarbonate resin, for example. be able to.
[0010]
The packaging container material of the present invention is formed so as to be able to form various shapes such as a rectangular parallelepiped, a disk, a cylinder, an ellipsoid, a sphere, and the like of a packaging container assembled therefrom.
[0011]
The method of fixing the container and the lid when forming the closed container from the packaging container material of the present invention is not particularly limited, and a flange is provided on each of the container and the lid, and the flanges are overlapped to adhere. It may be secured by a general method such as tape, stapler, heat fusion, etc., and fitted to each other at appropriate portions of the convex part and concave part provided in the peripheral part of the container and the lid, respectively. In addition, a structural part to be locked may be provided.
[0012]
In the present invention, the difference between the height h 1 of the convex portion 1a closer to the hinge-like operating portion 3 and the height h 2 of the
If the difference between h 1 and h 2 is too small, it is difficult to obtain the intended effect of the present invention. If it is too large, the fitting between the body and the lid is hindered.
[0013]
The side surface shape of the convex portion formed in the peripheral portion is h 1 > h 2 and is not particularly limited as long as the side surface of the convex portion becomes a wall inside the closed container when the lid is closed, For example, the following shapes are mentioned.
Further, the shape of the side surface of the concave portion formed in the peripheral portion is not particularly limited as long as the height is uniform with a height of 2 or less and is in close contact with the convex portion formed in the peripheral portion when the lid is closed. .
[0015]
For example, it is made by vacuum forming a transparent rigid vinyl chloride film with a thickness of 0.2 mm, and the inner dimensions are approximately cuboid with a long side of 240 mm, a short side of 85 mm, a vessel height of 30 mm, and a lid height of 35 mm. In the case of the continuous monolithic container for forming the container, the height h1 of the convex part 1a closer to the hinge operating part 3 of the convex part formed in the peripheral part of the vessel body is 7 mm and the distance from the hinge operating part 3 is The height h2 of the
[0016]
Further, the hinge-like operation portion may be provided with a twill line at the end portion to weaken the repulsive force.
[0017]
【The invention's effect】
Since the packaging container material of the present invention has the above-described configuration, the foreign matter from the outside of the container is not disturbed when the closed container is formed, as compared with the conventional packaging container material, without interfering with the fitting between the container body and the lid body. It becomes possible to prevent mixing. Therefore, the packaging container material of the present invention is not only suitable for foods, but is particularly suitable as a packaging container material for articles that are apt to be mixed with foreign substances.
[Brief description of the drawings]
FIG. 1 is a side view of a packaging container material according to one embodiment of the present invention.
2 is a plan view of the packaging container material of FIG. 1. FIG.
3 is an external perspective view of a closed container formed from the packaging container material of FIG. 1. FIG.
4A is a side view of a closed container formed from the packaging container material of FIG. 1. FIG. (B) It is a fitting part enlarged view of the XX 'cross section of (a) explaining the effect | action of the packaging container material of this invention.
FIG. 5 is a side view of a conventional packaging container material.
6A is a side view of a closed container formed from a conventional packaging container material. FIG. (B) It is a fitting part enlarged view of the YY 'cross section of (a).
[Explanation of symbols]
A Container B Lid
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29754796A JP3695492B2 (en) | 1996-10-18 | 1996-10-18 | Packaging container material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29754796A JP3695492B2 (en) | 1996-10-18 | 1996-10-18 | Packaging container material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10119950A JPH10119950A (en) | 1998-05-12 |
| JP3695492B2 true JP3695492B2 (en) | 2005-09-14 |
Family
ID=17847960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29754796A Expired - Fee Related JP3695492B2 (en) | 1996-10-18 | 1996-10-18 | Packaging container material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3695492B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3396845B2 (en) * | 2000-10-25 | 2003-04-14 | 守 加茂 | Packaging container made of synthetic resin sheet |
| DE202016103346U1 (en) * | 2016-06-23 | 2017-09-26 | Emsa Gmbh | Storage container for food |
-
1996
- 1996-10-18 JP JP29754796A patent/JP3695492B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10119950A (en) | 1998-05-12 |
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