Split seal ring made of synthetic resin having crossed diverging

Details Split seal ring made of synthetic resin having crossed diverging Split seal ring made of synthetic resin having crossed diverging

1996-07-24

1997-10-07

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277217, 2988807, F16J 912

Patent

active

056739230

ABSTRACT:
A a seal ring is made of a synthetic resin and has opposite ends. The seal ring has been imparted with shape-retentive property so that the seal ring is crossed at portions thereof located inside the opposite ends. The seal ring preferably has a smaller radius of curvature around the crossed portions and also around a portion thereof located diametrically opposite the crossed portions than around remaining portions thereof. Desirably, the seal ring may be in a substantially elliptic shape. The seal ring may preferably be symmetrical relative to a line extending between the crossed portions and a portion thereof located diametrically opposite the crossed portions.

REFERENCES:
patent: 2766085 (1956-10-01), Muller
patent: 3091025 (1963-05-01), Zallea
patent: 3588125 (1971-06-01), Mastromatteo
patent: 3811166 (1974-05-01), Zabolotsky et al.
patent: 3999894 (1976-12-01), Nakayama et al.
patent: 4957212 (1990-09-01), Duck et al.
G. Wiiliams; The Automotive Engineer: "Piston Rings"; Aug. 1938.

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