US PATENT SUBCLASS 277 / 512
.~.~.~ Fluid introducer or director

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}
510  DF  .~.~ Contained or compressed by gland member in packing box {10}
512.~.~.~ Fluid introducer or director {5}
513  DF  .~.~.~.~> External device or system
514  DF  .~.~.~.~> Drain, pressure relief, or vent
515  DF  .~.~.~.~> Passage through axial facing surface
516  DF  .~.~.~.~> Spacer between seals (e.g., lantern ring, etc.)
517  DF  .~.~.~.~> Between packing boxes

DEFINITION

Classification: 277/512

Fluid introducer or director:

(under subclass 510) Seal for the gland and packing box wherein the seal, gland or packing box includes means to convey a fluid into, within or out of the seal, gland or packing box.

SEE OR SEARCH THIS CLASS, SUBCLASS:

408, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) including means to introduce, circulate, or remove fluid.

431+, for a dynamic close proximity seal (e.g., contactless, fluent, etc.) created by pressurized sealing fluid introduced to form a barrier.

918, for a seal for other than dynamic circumferential contact seal for other than a piston contained or compressed by a gland member in a packing box having a filter or fluid

separator.

927, for a seal for other than dynamic circumferential contact seal for other than a piston contained or compressed by a gland member in a packing box having means to create a fluid different from the sealed fluid pressure.

SEE OR SEARCH CLASS 184, Lubrication, for a unitized lubrication means removable or installable from one machine to on another and intended to lubricate a bearing part in a machine,

24+, for a piston rod lubricator.