Apparatus for applying tension to a fiber preform during soot de

Details Apparatus for applying tension to a fiber preform during soot de Apparatus for applying tension to a fiber preform during soot de

1994-12-14

1997-08-19

Hoffmann, John

Glass manufacturing

Fiber making apparatus

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

65533, 65283, 65489, 65534, 65531, C03B 37027

Patent

active

056583656

ABSTRACT:
An apparatus is provided for applying a tensile force along the longitudinal axis of a cane assembly during the deposition of soot thereon to produce an optical fiber preform. Fiber drawn from such a preform exhibits improved core/clad concentricity. The tensile force may be applied at one or both ends of the cane assembly, with application at both ends being preferred. The tensile force may be varied during the deposition of soot. The cane assembly may be annealed prior to beginning the deposition of soot thereon.

REFERENCES:
patent: 2188121 (1940-01-01), Smith
patent: 3556758 (1971-01-01), Andrews
patent: 3656925 (1972-04-01), Dunlap
Translation of Japanese A-012 42433, Mar. 1988.

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