Fractured seal ring

Details Fractured seal ring Fractured seal ring

1997-05-01

1999-11-23

Browne, Lynne H.

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

277448, 277498, 277582, 277944, F16J 914, F16J 928

Patent

active

059886498

ABSTRACT:
A seal ring for placement in the space between a radial groove of a cylindrical member and a housing forming a bore in which the cylindrical member is movably positioned, which is free of scoring and has a fracture line through its thickness to form opposing faces. The faces are rough and mesh together such that when the faces are forced into contact, the faces are then interlocked. Furthermore, the seal ring has true roundness to enable the seal ring to seal the space despite presence of the fracture line. The seal ring is made up of a rigid polymer such as a polyimide, polyamide, polyester, polyetheretherketone, polyamideimide, polyetherimide, polyphenylene sulfide, and polybenzimidazole. The seal ring of the present invention is capable of single ring sealing of the space between the bore and the radial groove. The present invention also provides a device for fracturing the seal ring.

REFERENCES:
patent: 1397334 (1921-11-01), Schmolinski
patent: 2448147 (1948-08-01), Jacobsen
patent: 2717023 (1955-09-01), Hetherington
patent: 3420536 (1969-01-01), Grover
patent: 3720418 (1973-03-01), Berg
patent: 4189161 (1980-02-01), Grimm
patent: 5192085 (1993-03-01), McOnie
patent: 5403020 (1995-04-01), McOnie
patent: 5695197 (1997-12-01), Farley et al.

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