Apparatus and method for cooling and conditioning melt-spun mate

Details Apparatus and method for cooling and conditioning melt-spun mate Apparatus and method for cooling and conditioning melt-spun mate

1989-06-07

1991-02-05

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

425 722, D01D 5092

Patent

active

049902970

ABSTRACT:
A method of spinning filaments from a melt which comprises flowing said melt through openings in a nozzle plate to form a stream of said filaments, directing a coolant radially outwardly from the center of said stream through a porous wall of a dispersing head provided with a downstream baffle adjusted to partially reduce the inside pressures of the coolant adjacent to the baffle to a value lower than the outside pressure, the resistance of said coolant caused by the wall porosity satisfying the relationship

REFERENCES:
patent: 3135811 (1964-06-01), Barnett et al.
patent: 3299469 (1967-01-01), Charlton
patent: 3858386 (1975-01-01), Stofan
patent: 3969462 (1976-07-01), Stofan
patent: 4038357 (1977-07-01), Boyes et al.
patent: 4285646 (1981-08-01), Waite
patent: 4492557 (1985-01-01), Ray et al.

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