Japan, Feb. 24 -- FUJIKURA LTD has got intellectual property rights for 'MANUFACTURING APPARATUS OF GLASS PREFORM, AND MANUFACTURING METHOD OF GLASS PREFORM.' Other related details are as follows:
Application Number: JP,2021-095577
Category (FI): C03B20/00@E,C03B37/014@Z
Stage: PROBLEM TO BE SOLVED: To provide a manufacturing apparatus of a glass preform capable of suppressing decentering of the glass preform or non-circularity of a cross-sectional shape of the glass preform; and to provide a manufacturing method of the glass preform.SOLUTION: A manufacturing apparatus of a glass preform includes a furnace core tube capable of storing an untreated base material, a heater provided outside the furnace core tube, a furnace body for storing ...