US PATENT SUBCLASS 285 / 105
.~.~ Packing-actuated


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

95  DF  WITH FLUID PRESSURE SEAL {11}
104  DF  .~ With separate, encased pipe-gripping means {1}
105.~.~ Packing-actuated


DEFINITION

Classification: 285/105

(under subclass 104) Devices in which grasping of the pipe by the grasping means is intensified by the pressure exerted on the gripping means through a sealing member.