Sealing construction for vacuum connection

Details Sealing construction for vacuum connection Sealing construction for vacuum connection

1979-03-26

1981-09-22

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277207A, 277236, F16J 1508

Patent

active

042906148

ABSTRACT:
A sealing construction for the interconnection of two pipes in a vacuum cection, comprises, end flanges of the pipes which have conical sealing surfaces and including a substantially C-shape metallic ring disposed between the flanges which has at least a portion of its surface in rolling and sealing engagement with the conical surfaces of the flanges. The construction may also be used between a valve member which includes a plate having a conical sealing surface which is adapted to be sealed with a valve seal of a similar conical surface. The sealing ring may be used between conical surfaces which are substantially parallel or between those which converge or diverge with the use of an additional backing ring and, preferably, also with a centering ring.

REFERENCES:
patent: 351828 (1886-11-01), Bushnell
patent: 3285631 (1966-11-01), Stolpmann

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