Heating apparatus for a glass-sheet bending station

Details Heating apparatus for a glass-sheet bending station Heating apparatus for a glass-sheet bending station

1991-11-21

1995-11-28

Lacey, David L.

Glass manufacturing

Control responsive to condition sensing means

Temperature or heater control

65273, 65DIG4, 65DIG13, C03B 2900, C03B 2300

Patent

active

054703670

ABSTRACT:
The invention relates to a heating apparatus for a glass-sheet bending station. The apparatus includes an array of elongated heating elements, the heating elements being positioned side by side, so as to form a heating element field covering an area of a glass sheet to be bent. A control mechanism is provided for switching heating elements on and off. The heating elements are separately and independently controllable. The heating elements are positioned in succeeding heating element fields in a longitudinal direction of the heating elements. The control mechanism selectively switches on heating elements so as to form at least one heat exchange area that generally covers the area of the glass sheet being bent and that extends at a desired angle relative to the longitudinal direction of the heating elements.

REFERENCES:
patent: 3001328 (1961-09-01), Berseth
patent: 3744985 (1973-07-01), Peternel
patent: 4528016 (1985-07-01), Canfield et al.
patent: 4601743 (1986-07-01), Canfield
patent: 4807144 (1989-02-01), Jochlin et al.
patent: 4952227 (1990-08-01), Herrington et al.
patent: 4957532 (1990-09-01), Jacobson et al.
patent: 5053604 (1991-10-01), Escaravage et al.

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