Method of and apparatus for bending glass sheets
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United States of America Patent
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-
Nov 26, 1996
Grant Date -
N/A
app pub date -
Apr 12, 1995
filing date -
Apr 15, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 mold. The sheet is then transferred onto the ring mold by lowering part of the conveyor means, and bent by a process involving raising both the ring mold 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 mold and an opposed upper bending mold.
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