US PATENT SUBCLASS 277 / 494
.~.~ Separate bridging piece for gap in piston ring

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

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
434  DF  .~ Piston ring or piston ring expander or seat therefor {15}
494.~.~ Separate bridging piece for gap in piston ring {1}
495  DF  .~.~.~> Secured to end

DEFINITION

Classification: 277/494

Separate bridging piece for gap in piston ring:

(under subclass 434) Piston ring wherein the piston ring includes a break providing opposed ends and a means separate from the piston ring for closing the gap therebetween or for connecting the ends together.

SEE OR SEARCH THIS CLASS, SUBCLASS:

486, for a piston ring expander adjoining opposed ends of a split or segmented piston ring.

546+, for a dynamic, segmented ring circumferentially contacting seal for other than a piston having a particular end structure.

631, for a static, contact seal for other than an internal combustion engine, or a pipe, conduit, or cable having a split including end joining structure.