Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1979-01-15
1981-08-04
Marmor, Charles A.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222 5, 222 83, 222 91, 222501, 222509, 222520, 222394, 222396, 137318, 137322, 137860, 251 82, 251347, B67B 724, B65D 8314
Patent
active
042817757
ABSTRACT:
Apparatus for controllably transferring fluid from a pierceable pressurized container includes a valve body, a stem member which is threadably connected to the valve body at one end and a fluid-conducting hose at the other end, and an elastomeric valve ball disposed in a cavity between the body and the stem member. The valve ball controls fluid flow from the container through the valve body and stem member to the hose in response to rotation of the valve stem relative to the body. Simultaneously, the valve balls acts as a check valve to prevent flow of fluid to the container. An O-ring seal between the stem and the valve body is adapted to leak at high pressure and bleed off fluid.
REFERENCES:
patent: 375253 (1887-12-01), Bersch
patent: 1275783 (1918-08-01), Steinmetz
patent: 2561578 (1951-07-01), Koester
patent: 2886219 (1959-05-01), Van Baarn
patent: 2892614 (1959-06-01), Majneri
patent: 3092291 (1963-06-01), Franck
patent: 3817302 (1974-06-01), Kowal et al.
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