Plastic closure top for tins

Details Plastic closure top for tins Plastic closure top for tins

1974-07-02

1976-10-19

Knowles, Allen N.

Dispensing

Movable material discharge guide

Foldable, bendable, collapsible or flexible

B67D 512

Patent

active

039866467

ABSTRACT:
An integral molded plastic closure for a container opening, wherein the closure comprises a base, a spout separated from the base and a collapsible bellows joining the base and the spout; integrally formed with and to the spout is a separable closure element comprising a hollow cylinder closed off by a sealing disc; the open end of the closure element cylinder is integrally formed to the open end of the spout; a tearable section integral with both the closure element cylinder and the spout is defined between these elements, whereby the cylinder may be separated from the spout; the spout opening and the closure element cylinder are cooperatingly contoured to enable the closure element spout to pass into and seal the spout opening.

REFERENCES:
patent: 2243673 (1941-05-01), Henry
patent: 2895654 (1959-07-01), Rieke
patent: 3093273 (1963-06-01), Borah
patent: 3204827 (1965-09-01), Krautkramer
patent: 3216632 (1965-11-01), Dearing
patent: 3690522 (1972-09-01), Chlystun
patent: 3856187 (1974-12-01), Chlystun

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