C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/14
C03B 23/03 (2006.01) C03B 23/035 (2006.01)
Patent
CA 1241841
ABSTRACT Sheets of heat-deformable material, such as glass, are shaped to non-uniform curvatures that include a localized sharply bent portion near one side portion of the sheet by lifting the sheet while the latter is at a deformation temperature range on a lower lifting mold of special construc- tion that includes spaced, transversely extending slats having upper edge surfaces defining the non-uniform bend and a longitudinally extending end slat whose upper edge surface defines a transverse curve that merges with the upper edge surfaces of said transversely extending slats.
461409
Claassen George R.
Fecik Michael T.
Frank Robert G.
Gowling Lafleur Henderson Llp
Ppg Industries Ohio Inc.
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