US PATENT SUBCLASS 285 / 267
.~ Spring-biased packing


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

Internet Version by PATENTEC © 1999      Terms of Use



285 /   HD   PIPE JOINTS OR COUPLINGS

261  DF  BALL AND SOCKET {8}
267.~ Spring-biased packing


DEFINITION

Classification: 285/267

(under subclass 261) Devices including a packing which is urged into sealing contact by resilient means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

348, for a separable follower in a packed joint.

375, for internal reciprocating packers in socket joints.