Bending and tempering of glass plates advancing on a shaping bed

Details Bending and tempering of glass plates advancing on a shaping bed Bending and tempering of glass plates advancing on a shaping bed

1987-10-01

1989-04-11

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, 65287, 65351, C03B 23033

Patent

active

048203270

ABSTRACT:
A heated glass plate is bent by moving over a bed or rollers defining a path curved along the direction of movement of the glass plate so as to define an upwardly facing concavity. The glass plate moves with a speed of at least 10 cm/second and is curved by the bed without contact from above. The glass plate is subsequently tempered.

REFERENCES:
patent: 3545951 (1970-12-01), Nedelec
patent: 4139359 (1979-02-01), Johnson et al.
patent: 4218232 (1980-08-01), Wilhelm
patent: 4540426 (1985-09-01), Bocelli et al.
patent: 4556406 (1985-12-01), Kahle

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