| 摘要 |
A device for heating plates of glass ( 3 ) which are hardened or deformed, includes two ceramic heating plates ( 1 ) between which a plate of glass ( 3 ) is arranged. Compensation plates ( 20 ) are associated with the heating plates ( 1 ) at a distance therefrom, in addition to heaters ( 6 ) which are arranged close thereto. The heaters ( 6 ) are accommodated in housings ( 11 ) which are defined on one side of the heating plates ( 1 ). Holes ( 8 ) are provided in the heating plates ( 1 ). Gas is fed through the holes into the housing between the heating plates ( 1 ) and the compensating plates ( 2 ). The gas is heated by flowing past the compensating plates ( 20 ) and forms gas cushions ( 7 ) on both sides of the plate of glass ( 3 ) which hold the plate. The plate of glass ( 3 ) is heated in a homogenous manner by radiation and convection.
|
