Pipe joints or couplings – Particular interface – Tapered
Patent
1978-05-31
1981-06-16
Callaghan, Thomas F.
Pipe joints or couplings
Particular interface
Tapered
285334, 403343, F16L 1500
Patent
active
RE0306479
ABSTRACT:
A pipe joint includes pin and box members having interengaged threads characterized as producing hoop tension in the pin member and hoop compression in the box members.
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Callaghan Thomas F.
Hydril Company
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