Closing and filling unit for a tank containing a fluid under pre

Details Closing and filling unit for a tank containing a fluid under pre Closing and filling unit for a tank containing a fluid under pre

1985-05-09

1986-08-05

Rolla, Joseph J.

Dispensing

With discharge assistant

Fluid pressure

222 3, 222549, 251218, 251291, 251339, B65D 8300, F16K 3100

Patent

active

046037969

ABSTRACT:
A closing and filling unit having a piston valve (22) whose closure member (28) is provided with axial openings. A rotatable and slidable element (32) is provided for actuating the valve. Arrangements (35, 40, 41, 33, 36) are provided for utilizing the pressure of the fluid to force the element (32) into engagement with the piston (28). The device is adapted to be detachably fixed to the body of the valve by means of a screw-threaded boss through which extends an actuating rod (37) which is rigid with a piston (36) sliding in a chamber (33).

REFERENCES:
patent: 927798 (1909-07-01), Hoff
patent: 2403427 (1946-07-01), Ludeman
patent: 2853094 (1958-09-01), Wexler
patent: 4384705 (1983-05-01), Kato

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