Invention Grant
US09593033B2 Glass manufacturing apparatus and method for manufacturing glass sheet 有权
玻璃制造装置及其制造方法

Glass manufacturing apparatus and method for manufacturing glass sheet
Abstract:
A glass manufacturing apparatus comprises a forming device configured to produce a glass ribbon and a control device configured to independently operate a first pull roll apparatus, a second pull roll apparatus, and a third pull roll apparatus such that at least one of a first upstream pair of draw rolls rotates with a substantially constant torque, at least one of a first midstream pair of draw rolls rotates with a substantially constant torque, and at least one of a first downstream pair of draw rolls rotates with a substantially constant angular velocity. In further examples, methods of manufacturing a glass ribbon are provided.
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