METHOD OF THE HEAT CURING OF GLASS

Glass is heated to a temperature above its strain point and is thermally toughened by chilling with a quiescent gas-filuidized particulate material which has gas-generating properties and a mean particle size in the range 30 mu m to 120 mu m, a particle size distribution in the range 1.15 to 2.78, a...

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Bibliographic Details
Main Authors GROSS,RAYMOND P.,GB, SIMPKIN,GORDEN T.,GB
Format Patent
LanguageEnglish
Published 26.03.1982
Edition3
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
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Summary:Glass is heated to a temperature above its strain point and is thermally toughened by chilling with a quiescent gas-filuidized particulate material which has gas-generating properties and a mean particle size in the range 30 mu m to 120 mu m, a particle size distribution in the range 1.15 to 2.78, a flowability in the range 69.5 to 92, and a thermal capacity per unit volume at minimum fluidization in the range 0.7 to 1.59 MJ/m3K. The invention is particularly suitable for thermally toughening glass sheets for vehicle windscreens.
Bibliography:Application Number: CS19790005626