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Food container and manufacturing method thereof

A manufacturing method and container technology, which is applied to food heating containers, containers, and packaged foods, etc., can solve problems affecting food quality, container combustion, etc., and achieve increased integration strength, less high temperature, and a stable integrated state Effect

Active Publication Date: 2015-03-18
株式会社レゾナックパッケージング
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Carrying out food in this way is because in the case of using a container containing a metal layer in a microwave oven, there is a possibility that "sparks are generated on the metal layer exposed from the flange end of the container, which may cause the container to burn, thereby affecting the food contents." quality" etc.

Method used

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  • Food container and manufacturing method thereof
  • Food container and manufacturing method thereof
  • Food container and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0182] Manufactured by the "manufacturing method using injection molding" explained in the preceding paragraph figure 1 Shown is a container 1 for food. The outer container 3 is an outer container with a thickness of 120 μm formed by using aluminum (A8021-O material), and the molten polypropylene resin heated to 230°C is injected into the cavity for molding, thereby injecting the molten resin into the outer container 3 The outer surface of the inner container 2 with a thickness of 1.0 mm is overlapped with the outer container 3 with a thickness of 120 μm, and the two containers 2 and 3 are tightly integrated and can be separated. Container 1 for food.

Embodiment 2

[0186] Manufactured by the "manufacturing method using pressure forming" explained in the preceding paragraph image 3 Shown is a container 1 for food. The outer container 3 is an outer container composed of a three-layer laminate of crystalline polypropylene layer (inner layer) (30 μm) / aluminum layer (120 μm) / crystalline polypropylene layer (outer layer) (200 μm); made of resin The sheet 70 is a polypropylene sheet with a thickness of 1.0 mm, and the resin sheet 70 heated to 145° C. is laminated on the inner surface of the outer container 3 to perform pressure molding to manufacture the inner container 2 with a thickness of 1.0 mm. The outer surface of the food container 1 overlaps the outer container 3 with a thickness of 350 μm, and the two containers 2 and 3 are tightly integrated and can be separated.

Embodiment 3

[0188] As the outer container 3, the outer container was the same as in Example 2, except that an outer container with a three-layer laminate structure of polyethylene layer (inner layer) (30 μm) / aluminum layer (120 μm) / polyethylene layer (outer layer) (200 μm) was used as the outer container 3. way, get image 3 Shown is a container 1 for food.

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Abstract

The invention relates to a food container and a manufacturing method thereof. The food container 1 is formed by an inner-side container 2 made of metal layer-free resin, and an outer-side container 3 containing a metal layer 52. The containers 2, 3 are combined together via the coincidence of the outer surface of the inner-side container 2 and the outer-side container 3 and can be separated. In this way, the food container is characterized in that gas barrier property of the container is excellent; on the other hand, when food is heat by a microwave oven, sparks can be prevented from occurring and the container is not liable to be in high temperature; heating efficiency of food is high; and uneven heating of food is not liable to occur.

Description

technical field [0001] The present invention relates to a container for food, which is a container for putting liquid or solid food therein, and which can prevent sparks from being generated when heated by a microwave oven. Background technique [0002] Containers containing a metal layer are widely used as food containers because of their excellent gas barrier properties. However, when heating food filled in such a metal layer-containing container with a microwave oven, conventionally, the food is moved to a glass container or a ceramic container, and then heated in a microwave oven. Carrying out food in this way is because in the case of using a container with a metal layer in a microwave oven, there is a possibility that "sparks are generated on the metal layer exposed from the flange end of the container, which may cause the container to burn, thereby affecting the contents of the food." quality" etc. [0003] In order to solve the above-mentioned problems when using a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D81/34
CPCB65D81/3453B65D77/0433B65D2575/565
Inventor 苗村正
Owner 株式会社レゾナックパッケージング
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