One piece tubing connector and method of forming same

Details One piece tubing connector and method of forming same One piece tubing connector and method of forming same

1992-07-02

1994-06-21

Larson, Lowell A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72356, 72318, B21K 2112

Patent

active

053219686

ABSTRACT:
An integral, one piece tubular product with a threaded end for mating with threaded connectors is produced by preforming a series of compression and expansion operations on the end of a tubing blank to provide a sufficiently thick wall structure for the formation of rolled threads, and to directly form an external hex head surface for the application of wrenching forces.

REFERENCES:
patent: 1868094 (1932-07-01), Devine
patent: 3648509 (1972-03-01), McDowell
patent: 4192167 (1980-03-01), Huebner et al.

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