Plastic lined welded metal component and method of manufacture

Details Plastic lined welded metal component and method of manufacture Plastic lined welded metal component and method of manufacture

1986-06-03

1987-07-21

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

Lined

285156, 285286, 29458, 228214, F16L 1302

Patent

active

046813497

ABSTRACT:
The metal housings of multi-branched plastic lined components are welded in situ with the liner in place. A series of grooves in the outer surface of the preformed plastic liner underlie the weld joints and, in cooperation with a vent passage, prevent blow-out of the weld metal and damage to the plastic, all at higher welding temperatures sufficient to obtain deeper weld penetration.

REFERENCES:
patent: 2888783 (1959-06-01), Turnbull
patent: 3965555 (1976-06-01), Webster et al.
patent: 4357745 (1982-11-01), Chlebowski
patent: 4522432 (1985-06-01), Press

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