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Improvements in or related to closures for container necks

一种封闭件、容器的技术，应用在封闭件领域，能够解决最小强度线断开、不可能正常操作封闭件等问题

Active Publication Date: 2019-12-10
GCL INT SARL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If an attempt is made to open the closure in reverse, the line of minimum strength on the inner side breaks, after which it is impossible to operate the closure normally

Method used

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  • Improvements in or related to closures for container necks
  • Improvements in or related to closures for container necks
  • Improvements in or related to closures for container necks

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0089] The exemplary implementation manners are described below in sufficient details to enable those skilled in the art to implement and implement the devices, systems, and processes described herein. It is important to understand that embodiments of the present invention may be provided in many alternative forms, and that the present invention should not be understood as being limited to the examples set forth herein, but rather by the scope of the appended claims.

[0090] Will now refer to Figure 1 to Figure 8 The prior art closure for the neck of a container is described. The closure generally includes: a part including a main body for fixing to the neck of the container; and a part including a cap that can be releasably engaged with the main body. The part including the cover includes an inner side and an outer side, and when the closure is first opened, the outer side is rotatable relative to the inner side. In the illustrated embodiment, the outer portion can be rotated...

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PUM

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Abstract

A closure (101) for a container neck includes a first part (102) including a body (104) for fastening to the container neck, and a second part (103) including a body capable of being attached to the container neck. The body (104) releasably engages the cover (105). The closure (101) includes a seal support portion (107) formed of a first plastic material and a seal (106) formed of a second plastic material that is more compliant than the first plastic material, the seal (106) being The seal support portion (107) is integrally formed. Closure (101) with dual injection molded seals. A method of forming a closure (101) comprising the steps of double injection molding a seal support portion (107) and a seal (106). A container includes a container neck provided with a closure (101).

Description

Technical field [0001] The present invention relates generally to closures for containers, and in particular, to closures with means for indicating that the closure has been opened at least once. Background technique [0002] There is an increasing demand for tamper indicating systems that ensure that containers are not refilled with non-original contents. Although it is relatively simple to generate some forms of tamper-evidence, it cannot be overwritten without causing the tamper-evidence system to be activated, or cannot be activated, and then return to the actual visual recognition state so as to behave as not activated. Falsifying evidence is much more difficult. [0003] A particularly useful method of providing evidence of tampering is to use a system in which the closure is initially in a first position, but once moved, it can only be returned to a second position that is visually distinct from the first position. [0004] US Patent No. US 5,738,231 describes the provision ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D49/04B65D41/62B65D55/02
CPCB65D41/62B65D49/04B65D55/022B65D55/026B65D2401/55B65D2401/00B29C45/0081B29C45/1676B29K2021/003B29K2067/003B29K2995/0017B29L2031/565
Inventor A·D·M·麦克弗森D·C·理查森
Owner GCL INT SARL
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