Glass manufacturing – Means shaping preform from granular material with fusion means
Patent
1991-09-17
1993-02-02
Lindsay, Robert L.
Glass manufacturing
Means shaping preform from granular material with fusion means
65 1, 65 312, 65 182, 65 29, 65160, 65279, 73461, 73477, C03B 37025, C03B 3707
Patent
active
051834901
ABSTRACT:
An optical fiber soot synthesis apparatus which synthesizes around a fiber starting member forming a core of an optical fiber an optical fiber soot forming a cladding and which accurately calculates in real time the mass of the optical fiber soot when deposited so as to control the synthesis of the optical fiber soot. The optical fiber soot synthesis apparatus measures the weight of the rotating fiber starting member and optical fiber soot by a pair of soot weight detection sensors arranged at a fiber starting member support and rotational drive mechanisms divided so as to prevent the weight of the rotational drive mechanisms from having much of an effect. The computation and control apparatus performs operational processing from the measured weights and calculates the mass of only the optical fiber soot synthesized on the fiber starting member in real time. The computation and calculation apparatus refers to the calculated mass to control the synthesis of the optical fiber soot.
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Ishida Yoshinori
Kohmura Yukio
Mikami Toshihiro
Nogami Akira
Lindsay Robert L.
The Furukawa Electric Co. Ltd.
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