US PATENT SUBCLASS 277 / 309
.~ Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


277 /   HD   SEAL FOR A JOINT OR JUNCTURE

300  DF  PROCESS OF DYNAMIC SEALING {6}
309.~ Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.)

DEFINITION

Classification: 277/309

Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.):

(under subclass 300) Process of dynamic sealing wherein the sealing means is a pliant or resilient extension having a tip for relatively movable contact to an inner or outer perimeter of one of the relatively movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

311, for a process of dynamic sealing employing a flexible ring.

436+, for a piston ring having a peripheral radially sealing flexible projection (e.g., piston cup, etc.).

549+, for a dynamic, circumferential contact seal for other than a piston having a peripheral, radially sealing, flexible projection (e.g., lip seal, etc.).