US PATENT SUBCLASS 277 / 435
.~.~ Having installation, removal assembly, disassembly, or repair feature

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

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
434  DF  .~ Piston ring or piston ring expander or seat therefor {15}
435.~.~ Having installation, removal assembly, disassembly, or repair feature

DEFINITION

Classification: 277/435

Having installation, removal, assembly, disassembly or repair feature:

(under subclass 434) Piston ring, expander, or seat including means to aid in mounting, extricating, construction, dismantling, or restoration of the seal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

323, for a seal for well apparatus having an installation, removal, assembly, disassembly, or repair feature.

370+, for a relatively rotatable extending sealing face member (e.g., face, mechanical, etc.) having an installation, removal, assembly, disassembly, or repair feature.

421, for a close proximity labyrinth seal having an installation, removal, assembly, disassembly, or repair feature.

511, for a dynamic, circumferential contact seal intended for containment or compression by a gland member in a packing box having an installation, removal, assembly, disassembly, or

repair feature.

551, for a dynamic peripheral radially sealing flexible projection (e.g., lip seal, etc.) for other than a piston having an installation, removal, assembly, disassembly, or repair feature. 598, for a static contact seal for use between parts of an internal combustion engine having an installation, removal, assembly, disassembly, or repair feature.

609, for a static, contact seal intended for insertion between an end-to-end pipe, conduit, or cable joint having an installation, removal, assembly, disassembly, or repair feature.

630, for a static, contact seal for other than an internal combustion engine, or a pipe, conduit, or cable having an installation, removal, assembly, disassembly, or repair feature.

SEE OR SEARCH CLASS

29, Metal Working, for a method of mechanical manufacture or apparatus to assemble or disassemble,

222+, for an apparatus to insert or remove a piston ring, or subclass 402.02 for a method of repairing a seal or element thereof not provided for elsewhere.