Method for heating glass body

Details Method for heating glass body Method for heating glass body

C - Chemistry, Metallurgy

03

B

49/77

C03B 29/06 (2006.01) C03B 23/043 (2006.01) C03B 23/047 (2006.01) C03B 29/02 (2006.01) C03B 32/00 (2006.01) C03B 37/012 (2006.01) C03B 37/014 (2006.01) C03B 37/025 (2006.01)

Patent

CA 2032173

- 1 - ABSTRACT The present invention is directed to a method of heating a glass body which comprises heating a part of the glass body with relative movement of the glass body and a heating source, wherein an inert gas is blown from an inert gas-blowing means onto the surface of the glass body near a heated part of the glass body. This method prevents the redeposition of glass particles and is particularly useful for fine polishing or cleaning, or for heating and stretching a glass preform for an optical fiber.

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