Spinneret for producing composite polymer fibers

Details Spinneret for producing composite polymer fibers Spinneret for producing composite polymer fibers

1998-04-15

2000-02-15

Tentoni, Leo B.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

425462, D01D 530

Patent

active

060245565

ABSTRACT:
A composite polymer fiber is produced employing at least two polymer compounds according to a process for producing a composite polymer fiber including the steps of supplying at least two polymer compounds; forming a belt flow by arranging alternately unmixed strips of the polymer compounds supplied; and injecting the belt flow after it is compressed such that the thickness of the belt flow may be longer than the width thereof and that multiple layers of the polymer compounds may be parallel to the longer axis of the fiber. According to this process, there is obtained a fiber having a multilayered structure, in which the thickness of each layer can be controlled with optical accuracy since the multilayered structure is formed in one step, and also having a rectangular cross section in which each layer in the fabric is oriented parallel to the longer axis of the fiber, so that the layers can be easily oriented, when woven into a fabric, in such a direction as to obtain high-intensity coherent beams of light.

REFERENCES:
patent: 5731010 (1998-03-01), Kikutani et al.
patent: 5753277 (1998-05-01), Kikutani et al.
patent: 5869107 (1999-02-01), Shimizu et al.

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