Post-weld annealing of thermoplastic welds

Details Post-weld annealing of thermoplastic welds Post-weld annealing of thermoplastic welds

1996-08-22

1999-02-09

Hoang, Tu B.

Electric heating

Inductive heating

With heat exchange

219615, 219618, 219634, 228157, H05B 610

Patent

active

058698140

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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