Hinged cap separable from bottle at the time of disposal

Details Hinged cap separable from bottle at the time of disposal Hinged cap separable from bottle at the time of disposal

1997-01-21

1999-03-02

Douglas, Steven O.

Dispensing

With flow controller or closure

Pivoted

22215307, 215253, 215237, B65D 5502

Patent

active

058759425

ABSTRACT:
A hinged cap comprising a cap body, an outer cylinder formed integrally with said cap body so as to cover the outer surfaces of said cap body and said skirt portion, and an upper closure coupled by hinges to the upper end portion of said outer cylinder, wherein the skirt portion of said cap body is provided with a plurality of slits extending in the axial direction maintaining a distance in the circumferential direction, the skirt portion of said cap body and said outer cylinder are separated away from each other via cut surfaces but are formed integrally together via a plurality of breakable bridge portions and are formed on the upper side or the lower side of the cut surfaces, and the outer surface of the skirt portion of the cap body and the inner surface of the outer cylinder are intimately contacted to each other at the cut surfaces in a state where at least the cap body is fitted to the mouth of the container. The cap has a highly reliable sealing structure and, after used, can be easily removed from the mouth of the container without using any tool. The cap can be produced through a series of steps and offers excellent tamper-evidence.

REFERENCES:
patent: 4782964 (1988-11-01), Poore et al.
patent: 4895282 (1990-01-01), Robinson
patent: 5240155 (1993-08-01), Mueller et al.
patent: 5301849 (1994-04-01), Gugliemini et al.
patent: 5588562 (1996-12-01), Sander et al.
patent: 5601215 (1997-02-01), Stolz

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