US PATENT SUBCLASS 277 / 583
.~.~.~ Inflatable seal or seal biased by inflatable member

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}
579  DF  .~.~ Having floating ring or bushing (i.e., circumferentially contacting) {3}
583.~.~.~ Inflatable seal or seal biased by inflatable member

DEFINITION

Classification: 277/583

Inflatable seal or seal biased by inflatable member:

(under subclass 500) Dynamic, circumferential, contact seal including a cavity or chamber within the seal or an associated member expanded by entry of a pressurized fluid to bias the seal or associated member against one of the relatively movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

331+, for an inflatable packer-type seal for well apparatus.

605, for a hollow, fluid-filled, or inflatable static contact seal or an associated member intended for use on a pipe, conduit, or cable.

646, for a static contact seal having a hollow or fluid-filled inflatable chamber for other than an internal combustion engine, or a pipe, conduit, or cable.