Method of and apparatus for bending glass sheets

Details Method of and apparatus for bending glass sheets Method of and apparatus for bending glass sheets

C - Chemistry, Metallurgy

03

B

C03B 23/03 (2006.01) C03B 27/00 (2006.01) C03B 29/08 (2006.01)

Patent

CA 2146935

METHOD OF AND APPARATUS FOR BENDING GLASS SHEETS ABSTRACT OF THE DISCLOSURE The glass sheet is heated to a heat-softened condition in a furnace, and conveyed to a prescribed position above an upper shaping surface of a ring mould. The sheet is then transferred onto the ring mould by lowering part of the conveyor means, and bent by a process involving raising both the ring mould and the conveyor means. This combination minimizes the introduction of optical distortion into the sheet. A preferred bending process is to press bend the sheet between the ring mould and an opposed upper bending mould.

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