US PATENT SUBCLASS 285 / 412
.~.~ Axially bolted

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

405  DF  FLANGE {3}
406  DF  .~ Clamped {3}
412.~.~ Axially bolted

DEFINITION

Classification: 285/412

(under subclass 406) Subject matter in which the clamping means comprises at least one separable plate-like pipe receiving ring coacting with a flange and having bolts lying parallel to its axis for producing axial forces to draw the flanges together.

SEE OR SEARCH THIS CLASS, SUBCLASS:

368, for an unpacked bolted flange ring joint.

400, for a socket joint with a bolted flange ring clamping means.

413, for a clamping ring, per se.