Glass forming apparatus

In a glass forming apparatus in which a sheet of glass (100) is supported (2) at spaced locations beneath a heat source (4) whereby an unsupported portion of the sheet (100) can sag on application of heat thereto, a body (8) of thermally insulating material, and in particular, microporous insulating...

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Bibliographic Details
Main Author TREVOR FARRELL
Format Patent
LanguageEnglish
Published 07.09.1988
Edition4
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:In a glass forming apparatus in which a sheet of glass (100) is supported (2) at spaced locations beneath a heat source (4) whereby an unsupported portion of the sheet (100) can sag on application of heat thereto, a body (8) of thermally insulating material, and in particular, microporous insulating board, is located beneath the portion of the sheet (100) that is to sag, to serve as a reflector/scatterer and produce a non-specular distribution of heat energy whereby the necessary non-uniform temperature distribution is obtained in the (100).
Bibliography:Application Number: GB19870004630