US PATENT SUBCLASS 277 / 396
.~.~.~ Axially compressed packing

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}
390  DF  .~.~ Particular secondary mounting seal or driving connection {4}
396.~.~.~ Axially compressed packing

DEFINITION

Classification: 277/396

Axially compressed packing:

(under subclass 390) Mounting seal or driving connection including means to bias the secondary seal into contacting the sealing face member or one of the parts by squeezing it along the rotational axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

510+, 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.