US PATENT SUBCLASS 285 / 335
PACKED

Current as of: June, 1999
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Internet Version by PATENTEC © 1999      Terms of Use


285 /   HD   PIPE JOINTS OR COUPLINGS

335PACKED {20}
336  DF  .~> With cooperating opposed packing grooves
337  DF  .~> Externally with clamp
338  DF  .~> Radially expansible, spigot-carried
339  DF  .~> Wedge {4}
344  DF  .~> "Rolled-in" gasket
345  DF  .~> Frictional retention upon insertion {1}
347  DF  .~> Carried on cylindrical shank
348  DF  .~> With separable follower
349  DF  .~> Supplemental packing socket {1}
351  DF  .~> Plural seals {1}
353  DF  .~> Screw thimble-gland
354  DF  .~> Screw thimble
355  DF  .~> Screw
356  DF  .~> Gland {1}
358  DF  .~> Cam {2}
363  DF  .~> Flanged pipe {1}
369  DF  .~> Sleeve {2}
374  DF  .~> Socket {2}
378  DF  .~> Diverse metal seat
379  DF  .~> Gasket retainer {1}

DEFINITION

Classification: 285/335

(under the class definition) Subject matter including packing means to prevent leakage.

(1) Note. Search the appropriate special joint subclass for a joint having a packing limited in use thereto; e.g., see the search notes below for a ball and socket.

SEE OR SEARCH THIS CLASS, SUBCLASS:

10+, for a joint with a liquid seal.

95+, for a joint comprising sealing means responsive to line pressure.

187+, for a joint with means responsive to temperature change to maintain the seal.

261, for a ball and socket. SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a seal between two pipes or a pipe and a wall that are at most secured together only by friction between the seal and the pipe or wall,

602+, for a static contact seal intended for use on a pipe, conduit, or cable.

403, Joints and Connections,

288+, for other packed joints.