Glass manufacturing apparatus and methods

A glass manufacturing apparatus includes a control device configured to modify a predetermined diameter of at least one of a first downstream pair of draw rolls in a first downstream equation based on a monitored actual velocity of a first edge portion of a glass ribbon such that a predetermined rib...

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Bibliographic Details
Main Author KUDVA GAUTAM NARENDRA
Format Patent
LanguageEnglish
Published 22.09.2015
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:A glass manufacturing apparatus includes a control device configured to modify a predetermined diameter of at least one of a first downstream pair of draw rolls in a first downstream equation based on a monitored actual velocity of a first edge portion of a glass ribbon such that a predetermined ribbon velocity of the first edge portion of the glass ribbon in the first downstream equation changes to substantially match the monitored actual velocity without substantially changing a first downstream angular velocity of the at least one of the first downstream pair of draw rolls. In further examples, methods of manufacturing a glass ribbon include the step modifying the predetermined diameter of at least one of a first downstream pair of draw rolls in the first downstream equation based on the monitored actual velocity of the first edge portion of the glass ribbon.
Bibliography:Application Number: US201313777665