Dispensing apparatus

Details Dispensing apparatus Dispensing apparatus

1981-01-16

1983-12-13

Skaggs, H. Grant

Dispensing

Nongravity feed to trap of vacuum, gravity, or manual...

222212, 222207, 222491, 222482, 220366, 215 11E, B65D 3700

Patent

active

044201001

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), Pottenger
patent: 2286797 (1942-06-01), Duerme
patent: 2321236 (1943-06-01), Porkix
patent: 2767871 (1956-10-01), Shapiro
patent: 3168968 (1965-02-01), Krakowsksy
patent: 3319842 (1967-05-01), Miller
patent: 3372846 (1968-03-01), Berkus
patent: 3656660 (1972-04-01), Mueller
patent: 3705668 (1972-12-01), Schwartzman
patent: 4186882 (1980-02-01), Szczepanski
patent: 4239132 (1980-12-01), Mueller et al.

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