Shaping glass sheets by drop forming with pressure assist

Details Shaping glass sheets by drop forming with pressure assist Shaping glass sheets by drop forming with pressure assist

1979-03-30

1981-07-28

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65104, 65273, C03B 23025

Patent

active

042808286

ABSTRACT:
Heat-softened glass sheets are shaped by being lifted by vacuum drawn through a platen and then dropped onto a shaping mold. The dropping of the glass sheets is assisted by rapidly replacing the vacuum in the platen with super-atmospheric pressure.

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