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Packaging container

A technology for packaging and containers, which is applied in the direction of packaging, shallow containers, removable lids/covers, etc. It can solve problems such as poor fitting force, time-consuming and laborious opening and closing operations, and lids falling off.

Active Publication Date: 2021-07-23
CP CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, such packaging containers (hereinafter, sometimes referred to as "packaging foam containers") generally have poor fitting force, and therefore have the following problems. Or when displaying foam containers for packaging, etc., the lid tends to fall off from the main body of the foam container
On the other hand, by engaging the inwardly bent portion formed on the cover with the lower end of the hanging portion formed outside the flange portion of the foam container body, the adhesion to the foam container body can be improved and the The cover is difficult to come off, but in this case, the opening and closing operation tends to become laborious and time-consuming

Method used

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Examples

Experimental program
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Embodiment Construction

[0031] Embodiments of the packaging container will be described with reference to the drawings. In this embodiment, for example, a packaging container 1 (food packaging container) for packaging foods such as rice bowls and side dishes (an example of stored objects) will be described as an example. This packaging container 1 is formed by sheet molding of a synthetic resin sheet.

[0032] like figure 1 As shown, the packaging container 1 is, for example, a deep dish-shaped object containing food. The packaging container 1 includes a foam container body 2 and a lid 4 fitted to the foam container body 2 . The foam container main body 2 is made of a thermoplastic resin foam. The cover body 4 is made of a thermoplastic resin non-foamed body.

[0033] like figure 1 and figure 2 As shown, the main body 2 of the foaming container has a bottom surface 21 , a main body peripheral wall 22 , a first extension 23 , a second extension 24 , a main body inverted tapered portion 27 and a...

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PUM

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Abstract

A packaging container is provided with a foaming container body (2) and a lid body. The foaming container body (2) has a first extension part (23) that extends outward from a peripheral wall part (22), a second extension part (24) that extends outward from the first extension part (23), and a body reversely tapered part (27) that is provided on the side closer to a periphery than the second extension part (24) and engages a lid-body reversely tapered part of the lid body. A thickness (T1) of a first boundary part (31) is smaller than a thickness (T3) of the first extension part (23) and a thickness (T4) of the second extension part (24), or a thickness (T2) of a second boundary part (32) is smaller than the thickness (T4) of the second extension part (24) and a thickness (T5) of the body reversely tapered part (27).

Description

technical field [0001] The present invention relates to a packaging container. Background technique [0002] For example, packaging containers are used for packaging foods such as lunch boxes and side dishes. Such packaging containers are formed by thermoforming (sheet molding) of thermoplastic resin sheets in most cases. An example of such a sheet-molded packaging container is disclosed in JP-A-2002-173160 (Patent Document 1). As described in Patent Document 1, it may be preferable to use a thermoplastic resin foam sheet as the thermoplastic resin sheet from the viewpoint of heat insulation and light weight. In this case, the packaging container includes a foam container body made of a thermoplastic resin foam, and a lid fitted to the foam container body. [0003] However, such packaging containers (hereinafter, sometimes referred to as "packaging foam containers") generally have poor fitting force, and therefore have the following problems. Or when displaying the foam ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D77/20B65D1/34B65D43/06
CPCB65D1/34B65D43/06B65D77/20
Inventor 込山和马
Owner CP CHEM INC