Apparatus for fabricating sharply bent glass sheets

Details Apparatus for fabricating sharply bent glass sheets Apparatus for fabricating sharply bent glass sheets

1978-07-31

1980-01-22

Kellogg, Arthur D.

Glass manufacturing

Glassworking or preform by or with reheating means

To reshape preform by flame pressure or gravity

65287, 65288, 65DIG4, C03B 2302

Patent

active

041848640

ABSTRACT:
Apparatus for bending one or more glass sheets to a sharp bend by a combination of overall heating and localized heating using an outline glass sheet bending mold comprising one or more electroconductive heating elements in the form of a ribbon. Means is provided to tension the ribbon so that it does not wrinkle when the ribbon expands thermally due to the application of electrical energy thereacross. The ribbon is tensioned by one or more electrodes. Means is provided to maintain the electrodes attached to the mold in case the ribbon breaks.

REFERENCES:
patent: 3795501 (1974-03-01), Jansson et al.
patent: 3795570 (1974-03-01), Jansson et al.
patent: 3847586 (1974-11-01), Reese et al.
patent: 4047916 (1977-09-01), Reese et al.
patent: 4066429 (1978-01-01), Reese et al.
patent: 4072493 (1978-02-01), Imler

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