Closure element for confining a product in a pot in a tamperproo

Details Closure element for confining a product in a pot in a tamperproo Closure element for confining a product in a pot in a tamperproo

1996-08-16

1998-03-03

Shoap, Allan N.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

2202125, 220634, 220793, 220780, 215274, 264259, 264274, 264279, B65D 4532

Patent

active

057225540

ABSTRACT:
A closure element for a container equipped with a neck in order to confine a cosmetic product in a tamperproof manner. The closure element is produced by dual-injection molding of plastic and includes a ring non-removably fixed onto the neck, this ring being produced from a first plastic, and a disc forming a lid, produced from a second plastic, an edge of which is received in a groove formed in the ring. The two different plastic materials are incompatible so that no connection occurs between them by thermofusion. The disc is equipped with a tab to facilitate separation of the disc from the ring in order to open the container.

REFERENCES:
patent: 4497765 (1985-02-01), Wilde et al.
patent: 4695420 (1987-09-01), Grawey et al.
patent: 5008060 (1991-04-01), Kanai et al.
patent: 5020686 (1991-06-01), Dutt
patent: 5096652 (1992-03-01), Uchiyama et al.
patent: 5145085 (1992-09-01), Yost
patent: 5573130 (1996-11-01), Chanal et al.

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