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Container cap

A container and container body technology, which is applied in the directions of closing, packaging, transportation and packaging, etc., can solve problems such as flange scoring damage, achieve the effects of preventing detachment, realizing the production process, and realizing rationalization

Active Publication Date: 2019-07-16
TOKAN KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, at the position opposite to the position where the impact was received, the flange is pulled up by the claws, and scratches are likely to occur.

Method used

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  • Container cap
  • Container cap
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Hereinafter, specific embodiments of the cap for containers according to the present invention will be described with reference to the drawings.

[0032] Such as figure 1 As shown, the cap 1 includes: an inner plug 2 fitted to a mouth portion 50a of a container body 50 which is a bottle; The cap 1 and the container main body 50 form a covered container 100 for containing and storing liquid.

[0033] Such as Figure 2a ~ Figure 2c As shown, the inner plug 2 is an integrally molded product made of resin, and includes a separation part 4 , a fitting part 5 and a main body side cylindrical part 6 . Here, the fitting part 5 and the main body side cylindrical part 6 constitute the main body part 20 of the inner plug 2 .

[0034] The separation part 4 of the inner plug 2 is as Figure 2b As shown, there is provided a separating portion side cylindrical portion 4 a that is displaced radially inwardly from the main body side cylindrical portion 6 by the wall thickness of the...

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PUM

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Abstract

Provided is a container cap configured so that, even if an impact is applied to an upper cap, the separation between the separation section of an intermediate plug and a body section can be reliably prevented. A container cap 1 is provided with an intermediate plug 2 and an upper cap 3. A holding section 3h for holding a separation section 4 provided to the intermediate plug 2 has an annular protrusion 8 extending downward from the lower surface of the upper end wall 3b of the upper cap 3 and holding around the upper section 4u of the separation section 4 after the separation section 4 is separated from the intermediate plug 2. The intermediate plug 2 has a body section 20 interconnected at an opening OP with the separation section 4 and engaged with a container body 50. The separation section 4 has a plurality of protrusions 4p provided along the outer periphery of the upper section 4u and protruding individually sideways. The protrusions 4p are plate-like sections thin in the direction of an axis AX and have flexibility which enables the protrusions 4p to deform in the direction of the axis AX.

Description

technical field [0001] The present invention relates to a cap for a container provided at the mouth of a bottle-shaped container. Background technique [0002] As a known cap used in a container with a cap, there is a structure (refer to Patent Documents 1 and 2): an inner plug and an upper cap are provided; the inner plug is provided with a body-side cylinder fitted into the opening of the bottle. The shape part and the separation part connected to the upper end through the notch; the upper cover is provided with an annular protruding part capable of holding the periphery of the flange of the separation part by engagement. In the cap of Patent Document 1, the ring-shaped protruding portion is divided into a plurality of protruding elements by slits, and the deformation of the protruding portion or the protruding elements is facilitated, thereby suppressing the impact caused by dropping or the like from above. The cap is transferred to the detachment via the protrusion, pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D51/22B65D47/36
CPCB65D47/36B65D51/22
Inventor 渡辺健二高宫聪磨矶贝孝光岩水敬太
Owner TOKAN KOGYO CO LTD