Metal working – Method of mechanical manufacture – With testing or indicating
Patent
1986-09-12
1988-01-19
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
With testing or indicating
29157R, 73 491, 73 495, 138 89, 138 93, 220233, 220239, B23Q 1700, B21D 5300
Patent
active
047196874
ABSTRACT:
A multi-purpose pipe and seal/alignment device is provided for sealing pipe ends against internal or external pressure while protecting the pipe end preparation from damage to facilitate a permanent pipe joining process at a remote location in an adverse environment.
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Goldberg Howard N.
Shell Oil Company
Wallace Ronald S.
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