US PATENT SUBCLASS 277 / 927
SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE


Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

927SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE


DEFINITION

Classification: 277/927

SEAL INCLUDING FLUID PRESSURE DIFFERENTIAL FEATURE:

(under the class definition) Sealing means including means to create a fluid pressure greater than or less than the pressure of the sealed fluid at the joint or juncture to oppose the flow of fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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

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

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.

SEE OR SEARCH CLASS

384, Bearings, for more than nominal bearing structure or

detail (e.g., liner, bearing race, cage, etc.) combined with a specific seal, 479, for a radial antifriction bearing where the seal establishes a pressure or pressure responsive means loads the seal.