US PATENT SUBCLASS 285 / 123.7
.~.~.~.~.~ Having means engaging slip means and compressing packing means

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

120.1  DF  HAVING PLURAL INDEPENDENT PATHS {4}
123.1  DF  .~ For concentric tubes or pipes (e.g., well casing or wellhead type) {4}
123.3  DF  .~.~ Having single suspended inner tube {3}
123.5  DF  .~.~.~ Having inner tube anchored by slip means {2}
123.6  DF  .~.~.~.~ Including packing means {2}
123.7.~.~.~.~.~ Having means engaging slip means and compressing packing means {1}
123.8  DF  .~.~.~.~.~.~> By bolt directly connecting slip means to packing means

DEFINITION

Classification: 285/123.7

Having means engaging slip means and compressing packing means:

(under subclass 123.6) Subject matter in which the member and sealing device are held together by an assembly that forces the member into contact with the pipe wall plus squeezes the sealing device.