Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1983-06-07
1985-10-01
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
137522, 251337, 267170, 267177, 411521, F16K 1704
Patent
active
045439885
ABSTRACT:
The invention relates to a stop which is locked in position a bore of an operative device as well as to a device provided with at least one such stop. The stop is adapted for use particularly with, but not exclusively, with a safety valve. The stop includes a skirt adapted to be received in a bore and having at one end (29) by which it is connected to a centering dish (26), a diameter which adjusts itself practically without play in the bore (30) designed to receive the stop. At a second free end (31) the skirt has a diameter prior to positioning in the bore which is larger than that of the bore (30) intended to receive the stop so that, during the assembly, the skirt is compressed by the walls of the bore and thereafter, by reaction, it is forcibly pressed against the walls of the bore (30).
REFERENCES:
patent: 1047341 (1912-12-01), Upton
patent: 2594641 (1952-04-01), Griffith
patent: 2654620 (1953-10-01), Tinnerman
patent: 2712262 (1955-07-01), Knohl
patent: 3075779 (1963-01-01), Holdham
patent: 3308847 (1967-03-01), Vmann
patent: 3320846 (1967-05-01), Orain
patent: 3741615 (1973-06-01), Otto
patent: 4078722 (1978-03-01), Luckenbill
patent: 4245667 (1981-01-01), Braukmann
Nilson Robert G.
S.A. Robinetterie, S.F.R.
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