Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1991-10-31
1993-04-20
Woodard, Joye L.
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65287, 65289, 6537412, C03B 23025
Patent
active
052039056
ABSTRACT:
A holding device for glazing panes heated in a horizontal position to a deformation temperature comprises a downwardly facing contact surface, to which the glazing pane is held by suction action. The contact surface is formed of a tensioned fabric of highly heat-resistant fibers. As the glazing panes are sucked on, the fabric yields and bulges upwards. The amount of the bulge of the fabric is dependent upon the tension in the fabric. By the bulging of the fabric the glazing pane undergoes a bending opposite to the succeeding bending of the glazing pane under the effect of its self-weight. This counter-bending compensates an undesired transverse bending during the later bending process.
REFERENCES:
patent: 4300935 (1981-11-01), Seymour
Diederen Werner
Kahlen Werner
Kuster Hans-Werner
Saint-Gobain Vitrage International
Woodard Joye L.
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