Blast gate

Details Blast gate Blast gate

1983-09-22

1984-09-25

O'Connor, Daniel J.

Valves and valve actuation

With correlated flow path

Pipe coupling or union

126285R, F16K 5100

Patent

active

044732120

ABSTRACT:
A wafer damper assembly formed of a thin, flat, polymeric annulus with a central opening receiving a polymeric wafer baffle. The baffle has a non-circular transverse passage receiving a cooperative shaft pivoted in the flat annulus, with a lockable quadrant handle on one end of this shaft.

REFERENCES:
patent: 198501 (1877-12-01), Volkman
patent: 417670 (1889-12-01), Elliott
patent: 727971 (1903-05-01), King
patent: 771860 (1904-10-01), Croswell
patent: 846542 (1907-03-01), Albertson
patent: 1000304 (1911-08-01), Sliger
patent: 1282811 (1918-10-01), Goldburg
patent: 1470425 (1923-10-01), Curtis
patent: 1813273 (1931-07-01), Bovey
patent: 2117787 (1938-05-01), Bock
patent: 3199832 (1965-08-01), Calamia

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