Glass manufacturing – Processes – With measuring – sensing – inspecting – indicating – or testing
Patent
1992-04-06
1993-10-19
Jones, W. Gary
Glass manufacturing
Processes
With measuring, sensing, inspecting, indicating, or testing
73760, C03B 3200
Patent
active
052541495
ABSTRACT:
The quality of temper in a glass sheet is determined by repeatedly scoring the glass sheet with a laser beam, to incrementally penetrate the compression zone, until the glass sheet shatters.
REFERENCES:
patent: 3543979 (1970-12-01), Grove et al.
Hashemi Amin H.
Kelly Timothy L.
Ford Motor Company
Griffin Steven P.
Jones W. Gary
May Roger L.
Melotik Lorraine S.
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