Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Reissue Patent
2007-04-10
2007-04-10
Nicholson, Eric K. (Department: 3679)
Pipe joints or couplings
With assembly means or feature
With holding means functioning only during transportation...
C285S354000, C285S387000, C285S388000
Reissue Patent
active
10008106
ABSTRACT:
A pup joint is provided which comprises a length of pipe, a female sub integral with one end of the pipe and having external threads formed thereon, a male sub integral with the other end of the pipe, a wing nut for threadedly connecting the male sub to the female sub, a set of retainer segments for retaining the wing nut on the pup joint, and a retention shoulder formed on the male sub to maintain the wing nut and retainer segments on the male sub. In a preferred embodiment of the invention, the pipe and the male and female subs are comprised of a single forging, and the retention shoulder is formed by machining the male sub.
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10 pages relating to SPM Flow Control, Inc. “Crossover Assy.”
Drawing No. 3P10557 dated Jan. 24, 1983.
First photograph labeled “Intensifier Pup Joint—3P10557 1983.”
Second photograph labeled “Intensifier Pup Joint—3P10557 1983.”
Four pages of SPM Flow Control, Inc. literature.
Drawing No. 3P16996 dated Apr. 6, 1989.
Drawing No. 2S16851 dated Nov. 29, 1988.
Drawing No. 3254736 dated Aug. 2, 1979.
FMC Technologies Inc.
Nicholson Eric K.
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