Apparatus for facilitating inflow through closure threads of dis

Details Apparatus for facilitating inflow through closure threads of dis Apparatus for facilitating inflow through closure threads of dis

1978-10-31

1980-12-16

Skaggs, H. Grant

Dispensing

Resilient wall

With flow controllers or closures

220366, 215 11B, 215 11E, 222207, 2223865, 222482, 222491, B65D 3700

Patent

active

042391326

ABSTRACT:
Dispensing apparatus for a flexible container, including a closure for the container and an expansible bladder associated with the closure and adapted to fit within the container to expand and displace the dispensed contents. The closure has two openings, one at which it is attached to the container and the other forming an outlet for dispensing. A conduit extends from the bladder into the closure and communicates to the exterior of the closure and container through one of the two openings. The outlet opening is constructed to allow the contents to flow only in a direction from the container during use and a check valve allows flow through the conduit only into the bladder.

REFERENCES:
patent: 1881929 (1932-10-01), Potterget
patent: 1983101 (1934-12-01), Scribner
patent: 2286797 (1942-06-01), Duerme
patent: 2767871 (1956-10-01), Shapiro
patent: 3193154 (1965-07-01), Brass
patent: 3645414 (1972-02-01), Barr
patent: 3656660 (1972-04-01), Mueller
patent: 3878972 (1975-04-01), Por
patent: 4061254 (1977-12-01), Nilson

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