Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1988-12-30
1990-01-02
Kellogg, Arthur
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65 97, 65112, C03B 2100
Patent
active
048910546
ABSTRACT:
A glass sheet is cut while at a temperature at about its annealing point temperature by scoring the glass sheet along a line of cut and imparting a bending moment to the glass along the scored line to open the glass. The glass sheet remains at its elevated temperature throughout the cutting operation to reduce or eliminate additional heating required for subsequent processing.
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Bricker Jack A.
Dahlberg John R.
May Earl L.
Michelotti Donald P.
Oravitz, Jr. James J.
Kellogg Arthur
PPG Industries Inc.
Siminerio Andrew C.
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