Optics: measuring and testing – With plural diverse test or art
Patent
1977-08-23
1980-04-22
McGraw, Vincent P.
Optics: measuring and testing
With plural diverse test or art
414134, 356 73, 356237, G01N 2100, G01N 2116
Patent
active
041992555
ABSTRACT:
Apparatus for grading hides, skins, pelts and the like according to thickness and quality includes means, for example a mechanical/electrical transducer, for providing a signal representative of thickness of a selected skin, means, for example manually operated push-buttons, for providing a signal representative of the quality of the skin and means responsive to both these signals for providing a signal representative of a product category for the skin. The product category signal may serve for sorting the skins into batches and preferably controls the application of an area signal for each selected skin in a category to summation means therefor enable control and/or display of total batch area. The skins may pass through the apparatus on an endless conveyor above which are disposed photoelectric scanning means to detect instantaneously the width of each passing skin to provide the area signal and a thickness transducer to bear against the skin to provide the thickness signal.
REFERENCES:
patent: 3722425 (1973-03-01), Allen
patent: 4003462 (1977-01-01), Perrott
Tilley Leslie J.
Wilson Raymond L.
Drucker William A.
Edward Wilson and Son Ltd.
McGraw Vincent P.
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