Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1995-09-14
1997-02-18
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
285110, 285340, F16L 17025
Patent
active
056035306
ABSTRACT:
The disclosure relates to a grab ring comprising an annular element having one set of teeth projecting outwardly at an inclined angle to the annular element to one side thereof and a second set of teeth projecting inwardly at an inclined angle to the annular element to the other side thereof to engage between a pair of inner and outer concentric cylindrical surfaces to permit relative movement between the surfaces in one direction whilst preventing relative movement in the opposite direction.
REFERENCES:
patent: 1965273 (1934-07-01), Wilson
patent: 2147353 (1939-02-01), Scholtes
patent: 2201372 (1940-05-01), Miller
patent: 3007726 (1961-11-01), Parkin
patent: 3483789 (1969-12-01), Wurzel
patent: 3582112 (1971-06-01), Pico
patent: 3976314 (1976-08-01), Graham
patent: 4073514 (1978-02-01), Pate
patent: 4586734 (1986-05-01), Grenier
patent: 4676533 (1987-06-01), Gerondale
patent: 4747626 (1988-05-01), Hama et al.
patent: 4842306 (1989-06-01), Zeidler et al.
patent: 5160179 (1992-11-01), Takagi
patent: 5295697 (1994-03-01), Weber
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