Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1991-02-01
1993-03-09
Lindsay, Robert L.
Glass manufacturing
Processes
Forming product or preform from molten glass
51283R, 65 2, 65 29, 65 61, 65109, 65162, C03B 37025
Patent
active
051923505
ABSTRACT:
A cylindrical piece of glass (4) is subjected to heating passes on a glassmaker's lathe. Possible opto-geometrical defects of said piece of glass are detected and measured and then said defects are corrected by machining the outside surface thereof during a correction pass performed on the same glassmaker's lathe.
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Alcatel Fibres Optiques
Lindsay Robert L.
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