O-ring mounting groove and backup ring

Details O-ring mounting groove and backup ring O-ring mounting groove and backup ring

1990-09-04

1992-06-23

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277177, 277188R, F16J 1534

Patent

active

051236621

ABSTRACT:
An O-ring mounting groove has a bottom surface, which is formed as a recess whose section has an arc-like configuration so as to prevent concentration of stress. A backup ring, which is to be fitted into this O-ring mounting groove, has a lower surface whose configuration is in conformity with the bottom surface of the O-ring mounting groove, so that, when an axial force is applied to the backup ring, it is pushed outwardly.

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patent: 4613348 (1986-09-01), Fournier
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