Arrangement for the quality testing of a resistance welded conne

Details Arrangement for the quality testing of a resistance welded conne Arrangement for the quality testing of a resistance welded conne

1986-06-27

1988-11-01

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, 2505151, G01J 100, G21C 1100

Patent

active

047822309

ABSTRACT:
An arrangement for quality testing a resistance welded connection in which a radiation detector is directed onto a welding place and receives the emitted radiation; the inlet opening of the radiation detector is at least approximately completely covered off during the welding operation, properly speaking, and is freed after termination of the welding operation. A protection of the radiation detector against weld spatterings is achieved therewith.

REFERENCES:
patent: 2899563 (1959-08-01), Stellmacher et al.
patent: 3191441 (1965-06-01), Erickson
patent: 4168430 (1979-09-01), Denis et al.
patent: 4214164 (1980-07-01), Traub et al.
patent: 4408827 (1983-10-01), Guthrie et al.

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