US PATENT SUBCLASS 285 / 212
.~.~ Screw-compressed

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

189  DF  END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11}
211  DF  .~ Countersunk packed {1}
212.~.~ Screw-compressed

DEFINITION

Classification: 285/212

(under subclass 211) Subject matter in which a threaded means, e.g., a gland, compresses the packing material.

(1) Note. Generally the counter bore has the thread with coacts with the threaded compressing member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

356+, for a packed joint with a gland type compressor.