Welding method and apparatus

Details Welding method and apparatus Welding method and apparatus

1997-07-09

1999-08-24

Walberg, Teresa

Electric resistance heating devices

Heating devices

Radiant heater

392407, 1562722, 250504R, F21V 912

Patent

active

059434740

ABSTRACT:
A filter for absorbing electromagnetic radiation which is used in heating a welding zone wherein a first part is joined to a second part. The filter includes a filter housing which contains a chamber within which a fluid is placed. The fluid absorbs undesired wavelengths of radiation from a heating source before the radiation reaches the welding zone. A heat exchanger may be connected to the filter in order to cool the fluid during the filtering process.

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