Method and device for bending glass panes in pairs

Details Method and device for bending glass panes in pairs Method and device for bending glass panes in pairs

2007-12-04

2007-12-04

Lopez, Carlos (Department: 1731)

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

C065S107000, C065S273000, C065S287000, C065S289000

Reexamination Certificate

active

10467078

ABSTRACT:
In a method for bending, in pairs, panes placed one upon the other, heated to their softening temperature, the pair or panes is deposited on a bending frame and prebent under action of the force of gravity. The prebent pair of panes is transferred onto a suction bending mold with a concave forming face, the underside of the lowermost pane being supported at least on the peripheral edge of the forming face. By applying a depression for a predetermined length of time, the air is sucked out of the intermediate space between the underside of the lowermost pane and the suction bending mold, and the pair of panes is pressed by atmospheric pressure onto the concave forming face of the suction bending mold. After the end of the application of the depression, the finished molded pair of panes is transferred from the suction bending mold onto a transport device and is cooled.

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