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C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B23/00—Re-forming shaped glass
C03B23/04—Re-forming tubes or rods
C03B23/09—Reshaping the ends, e.g. as grooves, threads or mouths
C03B23/095—Reshaping the ends, e.g. as grooves, threads or mouths by rolling
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FR814751D1935-12-111936-12-10Dispositif et machine pour transformation des extrémités de tubes de verre et de récipients en verre
ExpiredFR814751A
(fr)