Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1988-01-29
1989-05-09
Kellogg, Arthur
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65106, 65107, C03B 2302
Patent
active
048285986
ABSTRACT:
A method for bending a glass plate for a laminated glass comprises a step of heating at least two glass plates separately at a temperature suitable to conduct bending operation and bending them; a step of gradually cooling each of them; a step of transferring the at least two glass plates onto a bending ring mold in an overlapping state; and a step of heat-shaping the overlapping glass plates on the bending ring mold so that the surfaces of the glass plates are fitted to and are in coincidence with each other.
REFERENCES:
patent: 4009064 (1977-02-01), Andrews
patent: 4738704 (1988-04-01), Vanaschen et al.
Aruga Chikao
Imamura Takaharu
Kawatsura Tohru
Tsuji Hiroshi
Asahi Glass Company Ltd.
Kellogg Arthur
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