Glass manufacturing – Control responsive to condition sensing means – Molten glass dispenser or gatherer control
Patent
1995-01-11
1996-12-31
Le, Long V.
Glass manufacturing
Control responsive to condition sensing means
Molten glass dispenser or gatherer control
65221, 65225, 65325, 65326, 65355, C03B 1100
Patent
active
055889794
ABSTRACT:
An apparatus for continuously forming a glass-ceramic which melts raw materials and forms melted glass to a predetermined shape without cutting the melted glass and thereafter continuously crystallizes the formed glass to the glass-ceramic is provided. The apparatus includes a melting device for melting raw materials, a flow tube for conveying the melted glass, a flow quantity control device connected to the flow tube for controlling the flow quantity of the melted glass, a pressing device for pressing the melted glass from the flow tube into a predetermined form, a glass preform checking device for measuring the weight or volume of the glass preform and feeding back a difference signal corresponding to a difference between the measured value of the weight or volume and a reference value to the flow quantity control device, the flow quantity control device controlling the quantity of the melted glass flowing through the flow tube in response to the difference signal to reduce the difference between the measured value and the reference value, and a crystallizing device for crystallizing the glass preform. The flow tube has an inner diameter which becomes smaller toward a melted glass outlet.
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Miyazaki Mutsumi
Yoshida Toshiaki
Kabushiki Kaisya Ohara
Le Long V.
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