Tubular joint wear indicator

Details Tubular joint wear indicator Tubular joint wear indicator

2006-03-21

2006-03-21

Tugbang, A. Dexter (Department: 3729)

Pipe joints or couplings

With indicator, alarm or inspection means

C285S333000, C285S334000, C029S407010, C029S456000

Reexamination Certificate

active

07014212

ABSTRACT:
A threaded pipe connection includes a box member, a pin member and a wear indicator for the connection. The pin member has internal threads and the box member has external threads. The internal threads of the box member each increase in width in one direction, while the external threads of the pin member increase in width in the other direction so that the complementary internal and external threads move into engagement upon make-up of the connection.

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patent: 6009611 (2000-01-01), Adams et al.
patent: 6-129572 (1994-05-01), None

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