Method of infrared welding on thermoplastic parts utilizing cont

Details Method of infrared welding on thermoplastic parts utilizing cont Method of infrared welding on thermoplastic parts utilizing cont

1993-11-01

1995-08-22

Jeffery, John A.

Electric resistance heating devices

Heating devices

Radiant heater

392411, 392408, 392440, 1562751, 1563809, 250504R, F26B 330

Patent

active

054448140

ABSTRACT:
A method of selectively directing concentrated infrared energy onto thermoplastic articles to be welded to one another includes providing contoured elongated openings formed on energy reflecting shields. These shields directly conform to specific opposing surface areas on the thermoplastic articles to be joined by thermal welding to one another.

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De Rubertis et al, "Shaped Aperture Insert", IBM Tech. Disclosure Bulletin, V. 22, No. 1, 6/79.

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