Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1986-12-29
1988-05-24
Kellogg, Arthur
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65106, 65107, 65114, 65273, 65290, 65291, C03B 2303, C03B 2700
Patent
active
047463481
ABSTRACT:
A horizontal press bending arrangement wherein heat softened glass sheets are shaped between a lower mold with a sheet shaping surface having a generally convex upward elevational configuration and an upper vacuum mold. After shaping the shaped glass sheet is deposited on an adjustable tempering ring. The ring adjusts in size from a first configuration corresponding to the contours of the shaped sheet immediately after shaping, to a second configuration corresponding to the contours of the shaped sheet after it has been cooled.
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Kellogg Arthur
PPG Industries Inc.
Siminerio Andrew C.
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