(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.
