Valves and valve actuation – With correlated flow path – Tank
Patent
1992-10-08
1994-01-25
Schwadron, Martin P.
Valves and valve actuation
With correlated flow path
Tank
251333, F16K 5100
Patent
active
052808750
ABSTRACT:
A mud valve having a plug seat which is made of a resilient material, and which forms the seal at an angle of approximately 28.degree. from the vertical. The valve seat is formed with a matching 28.degree. inclination to mate with the resilient seat.
REFERENCES:
patent: 2969218 (1961-01-01), Shaw
patent: 3467357 (1969-09-01), Schomer et al.
patent: 4240607 (1980-12-01), Carlson
patent: 4313591 (1982-02-01), Wempe et al.
patent: 4368755 (1983-01-01), King
patent: 4766927 (1988-08-01), Conatser
patent: 5076539 (1991-12-01), Holt
Wernman Industries, Inc., "Mud Valves-Models MV-11 & MV-12" 3 pages.
Troy Valve, "Mud Valves (or Plug Drain)", 1 page.
Clow Corporation, "Pipe Economy" pp. 18-21, 54-55, 64-65 and cover.
Barnard Ralph R.
Brown Michael F.
Lee Kevin L.
Michaels Christopher A.
Penn Troy Machine Co., Inc.
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