US PATENT SUBCLASS 277 / 584
.~.~ Extrusion preventing (i.e., antiextrusion) structure


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}
500  DF  .~ Circumferential contact seal for other than piston {13}
584.~.~ Extrusion preventing (i.e., antiextrusion) structure


DEFINITION

Classification: 277/584

Extrusion preventing (i.e., anti-extrusion) structure:

(under subclass 500) Dynamic, circumferential contact seal including means deterring the seal from being squeezed out of its seated position or otherwise dislocated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

324+, for a seal for well apparatus having an overpressure control device that may include extrusion preventing (i.e., anti-extrusion) structure.

611, for a static, contact seal intended for insertion between an end-to-end pipe, conduit, or cable joint having an

extrusion preventing (i.e., anti-extrusion) or compression limiting feature.

616+, for a static, contact seal intended for use on a pipe, conduit, or cable having an associated mounting or retaining means for the seal.

638, for a static, contact seal for other than an internal combustion engine, or a pipe, conduit, or cable including a particular extrusion preventing (i.e., anti-extrusion) mounting or retaining means.