Method for forming filaments

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Bulk deposition of particles by differential fluid pressure

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65 6, 65 8, 65 14, 264176F, 2642108, 425 8, D01D 512, B29C 600

Patent

active

042774365

ABSTRACT:
Method and apparatus for forming filaments are provided by centrifugally forming a veil of primary fibers or streams of material and moving a fluid along a path within the veil at a velocity sufficient to attenuate said primary fibers into filaments.

REFERENCES:
patent: 2212448 (1940-08-01), Modigliani
patent: 2336743 (1943-12-01), Manning
patent: 2433000 (1947-12-01), Manning
patent: 3621531 (1969-07-01), Feltgen et al.
patent: 4046539 (1977-09-01), Pitt

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