Flange connection to connect a metallic and a glass or ceramic s

Details Flange connection to connect a metallic and a glass or ceramic s Flange connection to connect a metallic and a glass or ceramic s

1981-08-07

1982-09-14

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277101, 277165, 277172, 277236, 285187, 2853323, 285DIG12, F16J 1510

Patent

active

043492037

ABSTRACT:
To provide a flange connection between two materials of substantially different thermal coefficient of expansion, for example a glass, typically quartz glass or ceramic material and a metallic material, for example cast iron or steel, with an interposed sealing ring of an elastomer, for example rubber, the flange seating surfaces are formed at an angle of inclination with respect to the central axis of the tubes to define a shallow cone having a cone angle (.alpha.) defined by arc tan .mu..sub.O, in which .mu..sub.O is the coefficient of friction between the material of the sealing ring and the adjacent material which includes the theoretical core of the cone, typically the glass or ceramic element forming the connection, the maximum cone angle being 45.degree.. One of the elements, typically the metal element, can be formed with a groove to receive a portion of the sealing ring and locate it in position.

REFERENCES:
patent: 904673 (1908-11-01), Bideker
patent: 3016248 (1962-01-01), Lindberg
patent: 3140097 (1964-07-01), Luertzing
patent: 3301577 (1967-01-01), Latham
patent: 3476413 (1969-11-01), Coberly et al.
patent: 3632143 (1972-01-01), Lessmann
patent: 3667785 (1972-06-01), Kapeker

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