Patent ID: 9556981
Date: 2017-01-31
CPC Classifications: B21D,B23P,F16L,Y10T

Claim:
1. Apparatus for pre-installing a female threaded nut and a conduit gripping device of a fitting onto a conduit, the apparatus comprising: a camming surface and a clamping member, said clamping member being disposed to contact the female threaded nut when the female threaded nut is installed in the apparatus, wherein the female threaded nut comprises a drive surface that contacts the conduit gripping device when the conduit gripping device is disposed between the female threaded nut and said camming surface, a clamping device comprising an actuator that is operable to produce relative axial movement between said camming surface and said clamping member to pre-install the conduit gripping device and the female threaded nut on a conduit, said actuator and said clamping member being operable to move the female threaded nut and said camming surface axially together to a predetermined relative axial stroke of said drive surface and said camming surface, a sensor having an electrical characteristic that indicates when said camming surface and said drive surface have reached said predetermined relative axial stroke.