Tamper-evident package

a packaging and tamper-evident technology, applied in the field of tamper-evident packaging, can solve the problems of high-speed processing, limited relative rotation, and high packaging cost, and achieve the effect of rapid tamper-indication during closure removal

a packaging and tamper-evident technology, applied in the field of tamper-evident packaging, can solve the problems of high-speed processing, limited relative rotation, and high packaging cost, and achieve the effect of rapid tamper-indication during closure removal

US20050252878A1Inactive Publication Date: 2005-11-17ALCOA CLOSURE SYST INT
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Examples

Experimental program
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Effect test

Embodiment Construction

[0025] While the present invention is susceptible of embodiment in various forms, there is shown in the drawings, and will hereinafter be described, a presently preferred embodiment, with the understanding that the present disclosure is to be considered as an exemplification of the invention, and is not intended to limit the invention to the specific embodiment illustrated.

[0026] With reference to FIG. 1, therein is illustrated a tamper-evident package 10 embodying the principles of the present invention. As will be further described, package 10 includes a cooperating closure 12 and container 14 (partially illustrated in phantom line) which can be configured for economical use for beverages or like contents. It can be particularly desirable to configure the package 12 for convenient opening and removal of closure 12, with relatively little rotation of the closure relative to the container 14 when it is desired to provide a tamper-evident function prior to unsealing of the associate...

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Abstract

An improved tamper-evident package includes a plastic closure having a top wall portion, a depending annular skirt portion, and a tamper band at least partially detachably connected to the skirt portion. The package includes a container having a neck portion configured for tamper-indicating cooperation with the projections on the tamper band. The container includes a plurality of circumferentially spaced ratchet-like locking teeth, each of which presents a locking surface for interfering engagement with the respective one of the projections on the closure tamper band. Notably, disposition of the flexible projections of the pilfer band in pre-determined relationship to an internal thread formation of the closure permits the flexible projections to be positioned so that each of the locking teeth on the container is engaged by a respective one of the flexible projections attendant to very little relative rotation of the closure relative to the container during removal.

Description

TECHNICAL FIELD [0001] The present invention relates generally to tamper-evident packaging for products, and more particularly to a tamper-evident package comprising a container and cooperating closure which are configured for efficient manufacture, and which functions to provide readily visually discernable evidence of opening attendant to very limited opening movement of the closure of the package. BACKGROUND OF THE INVENTION [0002] Tamper-evident packaging is in very widespread use by virtue of the assurance it provides consumers that the contents of the package are fresh and unadulterated. While it is known to provide packages with tamper-evident overwraps, heat-shrinkable films, and the like, such arrangements can complicate high-speed processing, and undesirably add to the cost of packaging. [0003] In view of this, packaging arrangements have been developed, particularly closures for containers, which include a tamper-evident feature as part of the closure structure. By way of...

Claims

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Application Information

Patent Timeline
17 Nov 2005
Publication
US20050252878A1
IPC
B65D41/34
CPC
B65D41/3428; B65D41/3404
Inventors
BABCOCK, DAVID