Optics: measuring and testing – By configuration comparison – With comparison to master – desired shape – or reference voltage
Patent
1989-11-13
1991-11-05
Evans, F. L.
Optics: measuring and testing
By configuration comparison
With comparison to master, desired shape, or reference voltage
356237, 356426, 356445, 156 69, 209587, G01N 2188
Patent
active
050627112
ABSTRACT:
The apparatus and method disclosed rely on the observation of a strip of a rotatable circular can end to be lined with gasketing composition, and the scanning head further includes a proximity detector responsive to the positioning of the can end adjacent the scanning head and connected to trigger initiation of a "scanning window" when a can end arrives concentrically in the lining chuck at the lining station, and to discontinue the "scanning window" when the can end and chuck begin to descend on departure of the can end for onward transport. The scanning operation is totally independent of time and therefore of the adjustable speed of operation of the can end lining machine.
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Translation of Japanese Kokai Patent No. 61-271441, publication date 12-1-1986; Inventors-Kamakura et al.
Brown Derek A.
Santaniello Brian F.
Worth John N.
Baker William L.
Evans F. L.
Hubbard John D.
W. R. Grace & Co.,-Conn.
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