Method and apparatus for forming bent plate glass

Details Method and apparatus for forming bent plate glass Method and apparatus for forming bent plate glass

1980-05-16

1981-09-01

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65289, 65290, 65291, C03B 23027

Patent

active

042869803

ABSTRACT:
A method and apparatus for forming a bent plate glass using a forming bed, in which a plate glass mounted on the forming bed is locally heated along a heating line whereby the plate glass is locally softened, after first heating the entire flat plate glass. The heating line is positioned offset from a desired bending line and curved outwardly therefrom whereby the heating line becomes coincident with the desired bending line due to transformation of the initial heating line as the plate glass deforms under its own weight as it is heated to softening temperature.

REFERENCES:
patent: 2176999 (1939-10-01), Miller
patent: 3248195 (1966-04-01), Golightly et al.
patent: 4047916 (1977-09-01), Reese et al.
patent: 4072493 (1978-02-01), Imler
patent: 4157254 (1979-06-01), Thomas et al.

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