Method for the production of curved glass sheets

Details Method for the production of curved glass sheets Method for the production of curved glass sheets

1995-09-11

1997-05-06

Czaja, Donald E.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65273, 65287, 65291, C03B 23023

Patent

active

056266421

ABSTRACT:
A method of and a device for curving glass sheets preheated to curving temperature operate by passage of the glass sheets simultaneously over a principal shaping bed having a longitudinal trajectory which is substantially circular or substantially a cone of revolution, and one or more secondary shaping beds, the generatrices of which are inclined relative to those of the principal bed. The invention is applicable, notably, to the production of automobile panes having angled corners.

REFERENCES:
patent: 3226219 (1965-12-01), Jamnik
patent: 3869269 (1975-03-01), Knapp
patent: 4586946 (1986-05-01), Kramer et al.
patent: 4804397 (1989-02-01), Stas et al.
patent: 4820327 (1989-04-01), Letemps et al.
patent: 4853018 (1989-08-01), Koss et al.
patent: 5236487 (1993-08-01), Letemps et al.
patent: 5368625 (1994-11-01), Mizusugi

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