Fluid container safety valve

Details Fluid container safety valve Fluid container safety valve

1983-12-01

1985-12-10

Skaggs, H. Grant

Dispensing

Resilient wall

Internally extending outlet pipe

222213, 1374933, 1374936, B65D 3700

Patent

active

045574014

ABSTRACT:
A control unit for a squeeze type fluid container is attached to a tube extending from inside the container to the outside. The control unit has a check valve resiliently held to open in response to pressure inside the container; which permits fluid to flow through the control unit and out the tube. The control valve has a second check valve positioned inside the first check valve casing, and resiliently held to open in response to a negative pressure inside the container to permit fluid to flow from the tube through the control unit and back into the container.

REFERENCES:
patent: 921085 (1909-05-01), Clark
patent: 2877917 (1959-03-01), Brooks et al.
patent: 3176883 (1965-04-01), Davis
patent: 3939866 (1976-02-01), Pignatelli

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