Electric resistance heating devices – Heating devices – Radiant heater
Patent
1997-07-09
1999-09-07
Walberg, Teresa
Electric resistance heating devices
Heating devices
Radiant heater
392407, 1562722, 250504R, F21V 912
Patent
active
059499591
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 solid material for absorbing undesired wavelengths of radiation from a heating source before the radiation reaches the welding zone. The filter also has a housing which contains a chamber within which a fluid is placed. The fluid cools the solid material and also may absorb undesired wavelengths of radiation from the heating source before the radiation reaches the welding zone. A heat exchanger is connected to the filter in order to cool the fluid during the filtering process.
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Grewell David A.
Lovett Donald C.
Branson Ultrasonics Corporation
Patel Vinod D
Walberg Teresa
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