Method of producing a sealing ring

Details Method of producing a sealing ring Method of producing a sealing ring

1990-12-18

1992-08-11

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

72334, B21C 2120

Patent

active

051367815

ABSTRACT:
A method of making sealing ring, for use in valves includes producing a cylindrical pressed cup from a film, and then slicing the cup in a direction normal to its longitudinal axis.

REFERENCES:
patent: 1216282 (1917-02-01), Carver et al.
patent: 3667504 (1972-06-01), Wittren et al.
patent: 3774277 (1973-11-01), Bentley-Leek
patent: 4076262 (1978-02-01), Deventer
patent: 4579352 (1986-04-01), Adang
patent: 4749201 (1988-06-01), Hunger
patent: 4860567 (1989-08-01), Askey et al.

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