Method of making glass tubes

Glass manufacturing – Processes – Forming product or preform from molten glass

Patent

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Details

65192, C03B 1514

Patent

active

039376230

ABSTRACT:
A method of making glass tubes in which forced cooling of the tube is effected from the inside thereof in an annealing section of a tube fabricating plant.

REFERENCES:
patent: 3754883 (1973-08-01), Keefer et al.

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