Forming a flange on a tubular member lined with a thermoplastic

Details Forming a flange on a tubular member lined with a thermoplastic Forming a flange on a tubular member lined with a thermoplastic

1997-10-01

2000-06-27

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

264269, 264248, B21D 3900, B23P 1100

Patent

active

060790954

ABSTRACT:
A method for installing a flange on the end of a tubular member lined with a thermoplastic liner is provided. The flange is formed with a groove having extrusion openings extending from the front to the rear surface of the flange, the groove for receiving the reformed end of the liner which is forced into the extrusion openings and extends above the front surface of the flange to provide a surface for securing with a corresponding flange.

REFERENCES:
patent: 4667989 (1987-05-01), Bona
patent: 4901424 (1990-02-01), Menendez
patent: 5403533 (1995-04-01), Meier

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