System with imperviousness joint compressed between two non-para

Details System with imperviousness joint compressed between two non-para System with imperviousness joint compressed between two non-para

1995-06-07

1997-08-12

Chambers, A. Michael

Valves and valve actuation

Valve

Seats

251174, 251357, 251358, F16K 122

Patent

active

056557523

ABSTRACT:
Imperviousness system composed of a metallic toric joint (9) compressed between two bearings (27, 28) which together form an acute angle (.alpha.) so as to produce a sliding and polishing of the skin of the joint and reduce the local levellings which would compromise the imperviousness capacity of the joint on each closing operation.

REFERENCES:
patent: 1427680 (1922-08-01), English
patent: 3077332 (1963-02-01), Burtis
patent: 3199833 (1965-08-01), Skinner, Jr.
patent: 4258901 (1981-03-01), Zinnai et al.
patent: 4296915 (1981-10-01), Baumann
patent: 4658847 (1987-04-01), McCrone
patent: 5178364 (1993-01-01), Garrigues et al.
patent: 5249774 (1993-10-01), Mazel et al.

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