Sealing system for shutoff elements

Details Sealing system for shutoff elements Sealing system for shutoff elements

1980-04-15

1983-10-18

Rosenthal, Arnold

Fluid handling

Processes

251333, 251334, 251210, F16K 2500

Patent

active

RE0314170

ABSTRACT:
A sealing system for a shutoff element having two substantially ring-shaped sealing elements forming at least two substantially ring-shaped sealing lines. A given one of the sealing elements is constructed as a thin-wall body which is elastically deformable under the action of a closing force. The given sealing element, in the closed position of the shutoff element, under deformation of its wall bearing against the other sealing element at least at two ring regions with line contact. Means define free deformation spaces for the wall of the thin-wall body beneath said ring regions, and means define a respective support adjacent said deformation spaces and extending substantially parallel to the ring regions and against which bears said wall.

REFERENCES:
patent: 676580 (1901-06-01), French
patent: 908138 (1908-12-01), Ricksecker, Jr.
patent: 1202044 (1916-10-01), Fisher
patent: 1234096 (1917-07-01), Farrell
patent: 1679779 (1928-08-01), Oberhuber
patent: 2632624 (1953-03-01), Giaque
patent: 2835268 (1958-05-01), Dillberg et al.
patent: 2970803 (1961-02-01), Harza
patent: 3042359 (1962-07-01), Bredtschneider
patent: 3108779 (1963-10-01), Anderson
patent: 3384107 (1968-05-01), Kuskevics
patent: 3394732 (1968-07-01), Lisciani
patent: 3418411 (1968-12-01), Fawkes

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