Dispensing closure with pressure-actuated flexible valve

Details Dispensing closure with pressure-actuated flexible valve Dispensing closure with pressure-actuated flexible valve

1993-04-27

1993-12-21

Kashnikow, Andres

Dispensing

Resilient wall

With flow controllers or closures

215232, 220259, 222490, 222494, B65D 3700

Patent

active

052715310

ABSTRACT:
A dispensing closure is provided for an opening in an squeeze-type container and includes a body defining a dispensing passage for communicating between the container interior and the container exterior through a container opening. A flexible, self-sealing valve is mounted in the body for opening in response to increased container pressure. A retaining ring is provided for retaining the valve in the body.

REFERENCES:
patent: 1739871 (1929-12-01), Smith
patent: 1989714 (1935-02-01), Statham
patent: 3281000 (1966-10-01), Lowen
patent: 4646945 (1987-03-01), Steiner et al.
patent: 4735334 (1988-04-01), Abbott
patent: 4969581 (1990-11-01), Seifert et al.
patent: 4991745 (1991-02-01), Brown
patent: 5033647 (1991-07-01), Smith et al.
Search Report for EP 92 10 0468 and annex thereto (issued May 18, 1992 with a search completion date of Apr. 6, 1992.
Search report for EP 92 10 0468 and annex thereto (issued Aug. 27, 1992 with a search completion date of Jul. 9, 1992).

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