Process for bending glass sheets

Details Process for bending glass sheets Process for bending glass sheets

1991-03-20

1992-12-01

Woodard, Joye L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, C03B 23023

Patent

active

051676893

ABSTRACT:
A process and a device for the bending on a frame of at least one glass sheet by gravity, the bending being performed in at least two stages during which the glass sheet or sheets undergo a deformation by gravity. In a first stage, the glass sheet or sheets are bent according to a first shape corresponding to a blank or precursor of the final shape. In a second stage, the glass sheet or sheets are bent according to the final shape. The device includes a frame 1 of which at least one part has two elements, one element forming a blank frame (2, 3, 4, 5) and another element forming a final frame (2, 3, 12, 13).

REFERENCES:
patent: 4074996 (1978-02-01), Hagedorn et al.
patent: 4286980 (1981-09-01), Matsuzaki et al.

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