Apparatus for VAD with a vibration detector to eliminate natural

Details Apparatus for VAD with a vibration detector to eliminate natural Apparatus for VAD with a vibration detector to eliminate natural

1994-02-15

1995-03-28

Jones, W. Gary

Glass manufacturing

Fiber making apparatus

With measuring, controlling, sensing, timing, inspecting,...

65486, 65531, 65144, C03B 3718, C03B 377

Patent

active

054012902

ABSTRACT:
An apparatus for producing a glass preform by VAD, includes a rotational drive device for rotating soot material, a detection device for detecting vibrations of the soot material, and a control device for controlling rotational speed of the rotational drive device. The control drive device changes the rotational speed of the rotational drive device on the basis of a detection output of the detection device.

REFERENCES:
patent: 4419116 (1983-12-01), Nakahana
patent: 4707173 (1987-11-01), Kawazoe
Patent Abstracts of Japan, vol. 12 No. 279 (C-517) 1 Aug. 1988.
Patent Abstracts of Japan, vol. 14, No. 215 (C-716) 8 May 1990.
Patent Abstracts of Japan, vol. 9, No. 331 (C-321) 25 Dec. 1985.

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