Method of making glass yarn with controlled tension

Details Method of making glass yarn with controlled tension Method of making glass yarn with controlled tension

1996-12-17

2000-03-14

Hoffmann, John

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

With measuring, controlling, sensing, programming, timing,...

65479, 242154, 2424197, C03B 3707

Patent

active

060356677

ABSTRACT:
When one strand, which is formed by gathering a multiplicity of glass filaments having a diameter of 9.mu. or less and formed by drawing molten glass flowed out through a multiplicity of orifices formed in the bottom portion of a bushing, is wound around a collet, the strand is wound to form a square-end cheese package by traversing the strand by a traversing device having a constant amplitude, while the strand is brought into contact with a rotative drum of a tension relaxing device to reduce the tension acting on the strand. Thus, the quality of a package of non-twisted glass yarn having a monofilament diameter of 3 to 9.mu. can be improved, a large quantity of the package can be formed, and the package can easily be transported.

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The Manufacturing Technology of Continuous Glass Fibres, K.L. Loewenstein, B.Sc., Ph.D., F.S.G.T., Amsterdam-Oxford-New York, 1983, pp. 20-21 and 30-31.

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