Threaded coupling-tool joint

Details Threaded coupling-tool joint Threaded coupling-tool joint

1996-04-15

1998-01-20

Arola, Dave W.

Pipe joints or couplings

Particular interface

Interlocked or overlapped

285333, F16L 2500

Patent

active

057094160

ABSTRACT:
There is provided a tool joint having a box and a pin wherein the box has threads therein; and wherein the box and the pin each are provided with complementary surfaces which engage one another upon threading of the box and the pin together.

REFERENCES:
patent: 1474905 (1923-11-01), Keszthelyi
patent: 3667784 (1972-06-01), Hokanson et al.
patent: 4494777 (1985-01-01), Duret
patent: 4525001 (1985-06-01), Lumsten et al.
patent: 4538840 (1985-09-01), Delange
patent: 4611838 (1986-09-01), Heilmann et al.
patent: 4813717 (1989-03-01), Watts
patent: 5169183 (1992-12-01), Hallez

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