Annealed thermoplastic weld

Details Annealed thermoplastic weld Annealed thermoplastic weld

1998-04-03

1999-07-20

Hoang, Tu Ba

Electric heating

Inductive heating

With heat exchange

219603, 219617, 219634, H05B 610

Patent

active

059252774

ABSTRACT:
The present invention is a method for improving the strength and quality of thermoplastic welds by annealing the weld following its formation at a temperature of at least about 500.degree. F. (i.e., about 125.degree. F. below the melt) for about 20 minutes to control cooling of the weld.

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