Sealing device, on tubular and/or circular tanks, for firing mem

Details Sealing device, on tubular and/or circular tanks, for firing mem Sealing device, on tubular and/or circular tanks, for firing mem

1994-07-21

1996-06-11

Cummings, Scott W.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277101, 251144, F16J 1510, F16K 31365

Patent

active

055249035

ABSTRACT:
The present invention relates to a sealing device, on tubular and/or circular tanks, for firing membrane valves, for cleaning sleeve filters, which comprises, inside a tubular and/or circular tank, a firing pipe, one end of which is connected to a membrane solenoid valve and the other end of which tightly projects from the tank. The device is characterized in that it comprises a fitting, connected to the firing pipe and including a recess for housing therein a sealing ring for providing a sealed coupling with the outer surface of the tank, as well as a sealing coupling surface for the solenoid valve. Moreover, a washer element is provided, which can be coupled to the other end of the firing pipe, and supports the sealing ring for providing a sealed connection between the firing pipe and the tank.

REFERENCES:
patent: 3435896 (1969-04-01), Williams
patent: 3806085 (1974-04-01), Codo
patent: 3870064 (1975-03-01), Vigneron
patent: 4003399 (1977-01-01), Fischer
patent: 4968066 (1990-11-01), Adams
patent: 5197710 (1993-03-01), Wass et al.
patent: 5207461 (1993-05-01), Lasko
patent: 5297578 (1994-03-01), Scott et al.

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