C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/89
C03B 27/04 (2006.01) C03B 27/008 (2006.01) C03B 27/052 (2006.01) C03C 23/00 (2006.01)
Patent
CA 1144762
Abstract Glass is thermally treated by contacting the glass, when it is hot, with a gas-fluidised mixture of particulate materials, at least one of which has gas-generating properties when heated by the hot glass. The materials are mixed in selected proportions which impart to the mixture a thermal capacity and flowability which are such that a required thermal treatment is achieved. The method is suitable for the thermal toughening of glass sheets for vehicle windscreens.
333402
Cross Raymond P.
Simpkin Gordon T.
Meredith & Finlayson
Pilkington Brothers P.l.c.
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