Method of bending glass sheets

Details Method of bending glass sheets Method of bending glass sheets

1994-05-04

1995-12-05

Lacey, David L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65104, 65106, 65268, 65273, 65285, C03B 23025

Patent

active

054724694

ABSTRACT:
A method and a furnace for bending glass sheets. Glass sheets are heated to a bending temperature by supporting them on a mould (11) and carrying them from one heating station to another. In a bending station (4), the glass sheet is heated for effecting a desired bending partially or entirely through the action of gravity. During a bending operation, the temperature distribution of a glass sheet is subjected to the action of convection blasting. By focusing the blast on the mid-section of a glass sheet it is possible to create a progressively curving pocket.

REFERENCES:
patent: 2794300 (1957-06-01), Golightly
patent: 2967378 (1961-01-01), Jones et al.
patent: 4497645 (1985-02-01), Peltonen
patent: 4755204 (1988-07-01), Boardman et al.
patent: 4986842 (1991-01-01), Peltonen
patent: 5009691 (1991-04-01), Aratani
patent: 5079931 (1992-01-01), Lehto et al.
patent: 5173102 (1992-12-01), Weber et al.

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