Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1981-01-16
1983-02-01
Kimlin, Edward C.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
73159, 156 64, 156 99, 156102, 156106, 156378, 156229, 264 27, 264291, 356376, 356381, 356382, 364473, 427 10, B29C 1702, G01N 2132
Patent
active
043714820
ABSTRACT:
An interlayer material is scanned prior to laminating same with glass sheets to generate a thickness variation signal, a wedge angle signal and an optical power signal. The signals are then selectively filtered to determine the thickness variation, wedge angle and optical power of the interlayer after lamination.
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Dawson Robert A.
Kimlin Edward C.
Lepiane Donald C.
PPG Industries Inc.
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