Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1975-06-02
1977-04-12
Baldwin, Robert D.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
191563, 425 66, 425455F, D01D 512, D01D 700
Patent
active
040175804
ABSTRACT:
A process for the manufacture of non-woven webs of continuous filaments by extrusion, stretching, deflection and deposition of a bundle of filaments on a receiving table and executing a reciprocating movement in a direction transverse to the direction of advance of the receiving table, is disclosed. Also disclosed is an apparatus for carrying out that process, for applying a reciprocating movement to the filament deflection device, comprising first, a tube in two parts, through which the filaments travel, having a fixed part and a movable part one end of which slides in the fixed part and the other carries the deflection device, and, second, means for subjecting the movable part of the tube, held parallel to the table which receives the filaments, to a reciprocating movement.
REFERENCES:
patent: 2875503 (1959-03-01), Frickert et al.
patent: 3083437 (1963-04-01), Davis, Jr.
patent: 3187387 (1965-06-01), Schuller
patent: 3660868 (1972-05-01), Weightman
patent: 3707593 (1972-12-01), Fukada et al.
Baldwin Robert D.
Rhone-Poulenc-Textile
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