Pipe joints or couplings – With assembly means or feature
Patent
1992-01-14
1992-11-03
Reese, Randolph A.
Pipe joints or couplings
With assembly means or feature
285141, 285 34, 285334, 285922, 285355, 285392, F16L 1500
Patent
active
051601729
ABSTRACT:
A tubular connector joint has a pin member on one of the tubular members and a box member on the other of the tubular members. External pin threads are formed on the exterior of the pin member. Internal box threads have the same pitch as the pin threads. A latch ring locates between the pin threads and box threads. The latch ring contracts and has threads on its inner and outer diameter that mate with the threads of the two tubular members. A drive key causes the latch ring to rotate with the pin member. The latch ring contracts when the upper tubular member stabs into the lower tubular member. A short amount of rotation then causes the drive ring to engage the threads of the lower tubular member.
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ABB Vetco Gray Inc.
Aberle Timothy
Bradley James E.
Reese Randolph A.
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