Threaded joint for pipes

Details Threaded joint for pipes Threaded joint for pipes

1998-03-27

1999-10-26

Wilson, Neill

Pipe joints or couplings

With lubrication

285334, 285915, 411 82, 411258, F16L 700, F16L 900, F16B 3900

Patent

active

059714433

ABSTRACT:
The invention pertains to a tubular threaded joint provided with a device opposed to over-screwing or unscrewing. The joint includes a male component (3) with an external threading (8) and a female component (2) with internal threading (6), these two components capable of being assembled with predetermined amount of torque. A female portion (7) arranged beyond the female threading (19) and a male portion (13) arranged beyond the male threading (12) provide between their internal surface (14) and external surface (15) an annular zone in which one part at least forms a calibrated zone (20) in which an adhesive ensures mechanical connection between the female portion (7) and the male portion (13). Use of the joint particularly for the oil and gas industry.

REFERENCES:
patent: 1946619 (1934-02-01), Furman et al.
patent: 4161332 (1979-07-01), Blose
patent: 4682797 (1987-07-01), Hildner
patent: 4804209 (1989-02-01), Fischer
patent: 4955645 (1990-09-01), Weems
patent: 4988127 (1991-01-01), Cartensen
patent: 5066052 (1991-11-01), Read
patent: 5253902 (1993-10-01), Petelot et al.

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