Method for bending glass plates

Details Method for bending glass plates Method for bending glass plates

1987-08-11

1988-10-18

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, 65289, 65290, C03B 2303

Patent

active

047785071

ABSTRACT:
A method for bending glass plates comprises a step of softening by heating at least two glass plates placed in an overlapping state on a bending ring mold to shape them in a curved form by their own deadweight in a processing zone of a heating oven, a step of pressing the at least two overlapped glass plates from the top, which are bent or being bent in a predetermined form by their deadweight on the bending ring mold, by a pressing mold in a pressing zone in the heating oven or in the pressing zone under heating condition which is connected to the heating oven, and a step of gradually cooling the at least two glass plates in a cooling zone outside the heating oven.

REFERENCES:
patent: 4260040 (1981-04-01), Reese et al.
patent: 4609391 (1986-09-01), McMaster

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