Polyester fibers and tows

Details Polyester fibers and tows Polyester fibers and tows

1973-11-08

1976-03-30

Rimrodt, Louis K.

Textiles: manufacturing

Warp preparing or handling

Machine replenishing

D02G 112

Patent

active

039464695

ABSTRACT:
An improved stuffer box crimper and a process employing such apparatus, the process involving feeding a tow of parallel filaments in the form of a sheet of constant thickness into a stuffer box crimper in which a primary crimp is imparted to the filaments by controlling the pressure against which the tow is delivered to the stuffer box and the secondary crimp is imparted to filaments by adjusting the denier per inch width at which the tow is delivered to the stuffer box, the imparted crimp being heat set by heating with a fluid while the tow is in the stuffer box.

REFERENCES:
patent: 2575838 (1951-11-01), Rainard
patent: 2854701 (1958-10-01), Rainard
patent: 3120692 (1964-02-01), Crawford et al.
patent: 3353222 (1967-11-01), Keel et al.
patent: 3353239 (1967-11-01), Heinnis

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