Cooling ring assembly for controlling stresses in a formed glass

Details Cooling ring assembly for controlling stresses in a formed glass Cooling ring assembly for controlling stresses in a formed glass

1995-08-02

1997-10-21

Griffin, Steven P.

Glass manufacturing

Product cooling means

65351, 65115, 65273, 65288, C03B 2704

Patent

active

056791240

ABSTRACT:
A cooling ring assembly (20) and method for controlling stresses in a bent glass sheet G produce a strengthened bent glass sheet after the cooling is completed. The cooling ring assembly includes a cooling ring (22) that supports the glass sheet edge (24), an insulator (30) juxtaposed inboard of the cooling ring to reduce the cooling rate, and a cooler (34) for providing increased cooling to at least one localized area (36,40,58) of the glass sheet edge. The cooler (34) is embodied by a pressurized air supply (42).

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Suppkementary European Search Report, three pages, Application No. EP 94 90 7421.

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