Device for bleeding or draining a duct

Details Device for bleeding or draining a duct Device for bleeding or draining a duct

1995-11-22

1998-03-03

Walton, George L.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

184 15, 222549, 222552, 251144, 251216, 251217, 251252, 251351, 251352, 251904, F16K 3150, F16K 31528, F16K 4300

Patent

active

057224510

ABSTRACT:
A device for bleeding or draining a duct comprises a member for closing a passage that opens out into the duct, the member having a helical groove formed in its peripheral surface enabling it to be moved in the passage by screwing and unscrewing on a helical rib of a collar embedded in the material defining the passage.

REFERENCES:
patent: Re28844 (1976-06-01), Dehar
patent: 858771 (1907-07-01), Whitehouse
patent: 1879320 (1932-09-01), Klett
patent: 3370827 (1968-02-01), Stehlin
patent: 3910550 (1975-10-01), Nelson
patent: 4413804 (1983-11-01), Lanius et al.
patent: 4425935 (1984-01-01), Gonzalez
patent: 4449692 (1984-05-01), Rhodes
patent: 4679618 (1987-07-01), Farkas
patent: 5096158 (1992-03-01), Burdick et al.
patent: 5246202 (1993-09-01), Beamer

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