US PATENT SUBCLASS 277 / 619
.~.~.~ Axially related backing ring

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

590  DF  SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3}
602  DF  .~ Contact seal for a pipe, conduit, or cable {10}
616  DF  .~.~ Having associated mounting or retaining feature {4}
619.~.~.~ Axially related backing ring {2}
620  DF  .~.~.~.~> Clamping gland {2}
624  DF  .~.~.~.~> And seal secure together

DEFINITION

Classification: 277/619

Axially related backing ring:

(under subclass 616) Mounting or retaining feature wherein the mounting or retaining feature has an annular shape

coaxial to the seal providing support.