Method and apparatus for positioning of a glass sheet relative t

Details Method and apparatus for positioning of a glass sheet relative t Method and apparatus for positioning of a glass sheet relative t

1990-03-23

1991-05-21

Lindsay, Robert L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65287, C03B 2302

Patent

active

050172107

ABSTRACT:
In positioning of a glass sheet relative to cambering and/or other heat treatment tools during a treatment, the glass sheet (2) heated to beyond its softening point travels flat on a conveyor (3) before being stopped beneath a generally shaping upper element (8) against which it is applied and is then released onto a lower element (10) by which shaping optionally continues and/or the glass sheet is transferred to another device, particularly a cooling device by thermal tempering. The position of the glass sheet (2) relative to the upper element (8) and/or the position of the upper element (8) relative to the lower element (10) are controlled by members integral with the upper element (8).

REFERENCES:
patent: 3615338 (1971-10-01), Boyles
patent: 4119427 (1978-10-01), Revells
patent: 4571253 (1986-02-01), Revells et al.
patent: 4767437 (1988-08-01), Lampman et al.
patent: 4781745 (1988-11-01), Mumford
patent: 4813993 (1989-03-01), Letemps et al.

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