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Tamper evident closure with locking band

A bottle cap, rotary locking technology, applied in the field of packaging, can solve problems such as economic difficulties

Inactive Publication Date: 2008-06-25
OBRIST CLOSURES SWITZERLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for some applications that are more sensitive to material cost, it is economically difficult to apply this technology

Method used

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  • Tamper evident closure with locking band
  • Tamper evident closure with locking band
  • Tamper evident closure with locking band

Examples

Experimental program
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Embodiment Construction

[0022] Referring now to the drawings, wherein like reference numerals represent corresponding structures throughout, and in particular to FIG. The mouth 14 is molded with external threads 16 . As is conventional in the art, the finish 14 is provided with a retaining structure 18 for retaining the tamper resistant band by limiting its upward movement after the cap is applied to the finish 14 of the container assembly 10 .

[0023] As can also be seen in FIG. 1 , the container 12 also includes a rotation lock structure constructed and arranged to prevent rotation of the tamper-evident band relative to the container 12 , as will be described in appropriate detail below. Referring now to FIGS. 2 and 3 , it will be seen that the rotation locking structure 20 is preferably implemented as four ratchets 22 spaced at 90 degree intervals about the circumference of the lower portion of the mouth portion 14 below the retaining structure 18 . As best seen in FIG. 3 , each ratchet 22 inclu...

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PUM

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Abstract

A container assembly (10) includes a container (12) that has an externally threaded finish portion and a retention structure (18) for preventing upward movement of a tamper evident band (38). The assembly (10) further includes a closure (28) having a body portion (32) of a base (34) and an internally threaded downwardly depending sidewall portion (36) that is sized and shaped to screw onto the container finish portion. The closure further includes a tamper evident band (38) that is frangibly connected to the sidewall portion (36) and that includes a main band portion (42) and a J-hook retention member (44). The retention member (44) includes a plurality of pleated retaining elements (46) for engaging the retention structure (18). At least one of the pleated retaining elements (46) is adapted to engage the container (12) so as to resist rotation with respect to the container. Separation of the tamper evident band (38) from the body portion (32) is better assured when the closure (28) is unscrewed from the container (12).

Description

technical field [0001] The present invention relates generally to the field of packaging technology, and more particularly to tamper-resistant closures for containers. Background technique [0002] Various beverages, foods, medicines, etc. are delivered to the public in bottles or other containers provided with resealable caps which provide benefits to consumers because the containers can be tightly sealed and resealed after opening. Airtight, which extends the shelf life of the product and keeps it fresh. While resealable containers provide consumer benefits, by their nature they allow for unauthorized and sometimes undetectable tampering with the product. Accordingly, many modern consumer products are packaged with tamper-resistant caps designed to make it obvious to the consumer that the container has been opened. [0003] Many conventional tamper-evident bottle caps utilize what is commonly known as a tamper-evident band designed to be retained by the container and bre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D41/34B65D41/04
CPCB65D41/3428
Inventor T·M·塞迪塔
Owner OBRIST CLOSURES SWITZERLAND GMBH
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