Process and apparatus for producing superfine fibers

Details Process and apparatus for producing superfine fibers Process and apparatus for producing superfine fibers

1991-05-02

1992-05-12

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2641761, 425 722, 425463, 425464, D01D 402

Patent

active

051125501

ABSTRACT:
A novel spinneret for producing superfine fibers having a total denier of not less than 20 denier and a monofilament denier of not more than 1.1 denier when winding up upon spinning is disclosed. The spinneret has nozzle orifices arranged in a lattice pattern extending toward a quench direction and the right angled direction to the quench direction. The arrangement is provided so as to satisfy the following formulas (1) to (4):

REFERENCES:
patent: 2969561 (1961-01-01), McCormick et al.
patent: 3311688 (1967-03-01), Schuller
patent: 4153409 (1979-05-01), Capps et al.

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