Threaded tubing connection

Details Threaded tubing connection Threaded tubing connection

1991-01-29

1993-09-07

Nicholson, Eric K.

Pipe joints or couplings

Elbow

285256, 285259, 285354, 285382, 2853824, 285391, F16L 5500, F16L 1314

Patent

active

052421996

ABSTRACT:
A threaded connection for tubing joints having a threaded part and a matching part fixedly connected with the tube, which embraces the tube externally and rests with an inner surface having grooves at the outer surface of the tube, wherein the fixed connection between the matching part and the tube is produced by rolling material of the tube into the grooves, the matching part 2 having at least one groove 7, 8 which is conducted in a threaded shape manner, so as to prevent failure of the tubing joint by crack formation.

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