Process and apparatus for calibrating of glass tube sections

Details Process and apparatus for calibrating of glass tube sections Process and apparatus for calibrating of glass tube sections

1979-03-29

1981-01-27

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65271, 65277, 65278, 65296, C03B 2308

Patent

active

042473195

ABSTRACT:
The invention relates to a process for calibrating sections of glass tubing, wherein a glass-tubing section is heated to a softening temperature, shaped to the calibrating dimension, and allowed to cool. The invention furthermore concerns suitable equipment for implementing this process.

REFERENCES:
patent: 2368169 (1945-01-01), Smith
patent: 2613479 (1952-10-01), Stong

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