Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1979-03-20
1980-12-09
Baldwin, Robert D.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164150, B22D 200
Patent
active
042379598
ABSTRACT:
A method and apparatus for examining the surface condition of a traveling metal strip in the process of being continuously cast for detection of scarfs, if any, produced on said surface, wherein a light emitter projects light beams of short waves or those containing said short waves and other waves on a traveling metal strip in the process of being continuously cast; among the reflections of the projected light beams, only those consisting of short waves are received by the light detector through a filter; a flat hood surrounding a light path extending between the light emitter and light detector is set in a cooling chamber; compressed air streams run through the flat hood to air purge or clean the environment of the light path; a signal issued from the light detector is processed by an image memory; the shade image of the traveling metal strip is continuously displayed on the screen of a monitor television set; and the surface condition of the traveling metal strip is examined on the screen to detect scarfs, if any, produced on said surface.
REFERENCES:
patent: 4118732 (1978-10-01), Ichijima et al.
patent: 4131490 (1978-12-01), Oishi et al.
"High-Speed Automatic Particle Counter" by Shaw et al., IBM Technical Disclosure Bulletin, vol. 17, No. 9, 2/75.
Hanafusa Hideyuki
Ishida Isoshiro
Mihara Toshiro
Seno Kouji
Yamamoto Tomio
Baldwin Robert D.
Futec Inc.
Lin K. Y.
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