Threaded tubular connection with outer threaded ring

Pipe joints or couplings – Particular interface – Tapered

Patent

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Details

2853342, 2853343, 285390, 285398, F16L 1500

Patent

active

051296896

ABSTRACT:
A pipe union device and method in which terminal ends of well casing, well production tubing or drill pipe are connected in fluid type fashion by stressing compressively a spacer disposed between terminal ends of adjacent lengths of tubing.

REFERENCES:
patent: 556215 (1896-03-01), Schmidt
patent: 595437 (1897-12-01), Greenfield
patent: 1568993 (1926-01-01), Newsom
patent: 2487241 (1947-01-01), Hilton
patent: 3172934 (1960-07-01), Krieg
patent: 3253841 (1963-12-01), Ahmad
patent: 3472533 (1968-07-01), Turner
patent: 3620555 (1971-11-01), Hinds
patent: 4537406 (1985-08-01), Hirasuna et al.
patent: 4568113 (1986-02-01), Axford et al.
patent: 4623173 (1986-11-01), Handa et al.

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