US PATENT SUBCLASS 277 / 303
.~.~ Labyrinth

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

300  DF  PROCESS OF DYNAMIC SEALING {6}
301  DF  .~ Close proximity seal (e.g., contactless, fluent, etc.) {4}
303.~.~ Labyrinth

DEFINITION

Classification: 277/303

Labyrinth:

(under subclass 301) Close proximity seal wherein the sealing means uses a succession of baffles that define a clearance between each other or an additional member to provide a series of throttling zones.