Methods and apparatus for coating a filament

Details Methods and apparatus for coating a filament Methods and apparatus for coating a filament

1976-12-23

1978-02-28

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 11W, 118125, 118401, 118420, 427 54, 427163, 427434C, 427434E, C03C 2502, C03B 3702

Patent

active

040765105

ABSTRACT:
A glass fiber is drawn through a rotating body of flowable coating material to apply the material thereon and then is further drawn through a throat section of an open ended cage formed by a plurality of wire strands forming a hyperboloid of rotation. As the glass fiber is drawn through the throat section the previously applied flowable material contacts the wire strands causing a vortex of material which centers the fiber in the throat and distributes the material uniformly and concentrically thereon.

REFERENCES:
patent: 1454224 (1923-05-01), Schmidt
patent: 2228341 (1941-01-01), Cawthon et al.
patent: 2248663 (1941-07-01), Flynn
patent: 3155543 (1964-11-01), Marzocchi et al.
patent: 3339357 (1967-09-01), Marzocchi et al.
patent: 3347208 (1967-10-01), Arridge
patent: 3357397 (1967-12-01), Jackman
patent: 3765930 (1973-10-01), Miyano

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