Glass bending process

Details Glass bending process Glass bending process

2011-07-12

2011-07-12

Daniels, Matthew J (Department: 1741)

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

C065S106000

Reexamination Certificate

active

07975509

ABSTRACT:
A glass bending line for quickly shaping a complex bent glass sheet is provided that includes moving a ring-type female mold, which has a heated glass sheet placed on it, and a full face heated male mold, toward one another. Upon making shaping contact between the glass sheet and the male mold, a vacuum is applied through holes extending through the male mold, for a time sufficient to form the glass sheet to a desired shape. When the glass sheet has been shaped, the vacuum is terminated and pressurized air is connected to the holes to release the bent glass sheet from the male mold. The bent glass sheet is then quickly transported to a quenching station or an annealing station on a continuous conveying device. Hence, the complex bent glass sheet is achieved without the use of a shuttle ring.

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Machine translation of FR 2852951.

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