Cylindrical threaded connection

Details Cylindrical threaded connection Cylindrical threaded connection

1979-01-02

1981-01-13

Callaghan, Thomas F.

Pipe joints or couplings

With means blocking release of holding means

Thread lock

285334, 411265, F16L 2100

Patent

active

042446074

ABSTRACT:
A cylindrical threaded connector is provided with a small amount of taper to produce a controlled radial interference to prevent inadvertent thread disengagement. The threaded connector is especially suited for use with radial clearance cylindrical threads subjected to tensionload such as tubular goods used in wells. The taper can be used on either or both threads of two step cylindrical threads.

REFERENCES:
patent: 1932427 (1933-10-01), Stone
patent: 2239942 (1941-04-01), Stone et al.
patent: 3359013 (1967-12-01), Knox et al.
patent: 3994516 (1976-11-01), Fredd
patent: 4026583 (1977-05-01), Gottlieb
patent: 4085951 (1978-04-01), Morris
patent: 4113290 (1978-09-01), Miida

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