US PATENT SUBCLASS 277 / 408
.~.~ Introduction, circulation, or removal of fluid

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}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
408.~.~ Introduction, circulation, or removal of fluid

DEFINITION

Classification: 277/408

Introduction, circulation or removal of fluid:

(under subclass 358) Sealing face member including means to convey a fluid into, within, or out of the seal face member or one of the relatively movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) having a means for fluid passage in its sealing face.

512+, for a dynamic, circumferential contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box having means to introduce or direct a fluid.

928, for a seal including means to introduce, circulate, or remove fluid having a pressure relief or venting feature for other than a relatively rotatable, radially extending, sealing face member.

930, for a seal for other than a relatively rotatable, radially extending, sealing face member including means to introduce, circulate, or remove fluid having a heating or cooling feature.