Arrangement for stretching thermoplastic fibers

Details Arrangement for stretching thermoplastic fibers Arrangement for stretching thermoplastic fibers

1989-11-20

1990-11-06

Schroeder, Werner H.

Textiles: manufacturing

Thread finishing

Surface modification of running length

D02J 122

Patent

active

049674579

ABSTRACT:
An arrangement for stretching thermoplastic fibers of synthetic polymers, particularly polypropylene, polyester or polyamide, for producing high strength yarns,
comprises a delivery mechanism for delivering fibers, a stretching mechanism for stretching fibers, and a plurality of heated rollers arranged between the delivery mechanism and the stretching mechanism for deviating the fibers and means for applying to the fibers a force which is opposite to a direction of movement of the fibers, none of the rollers being driven and at least one of said rollers is provided with a brake, the fibers passing around the rollers without slippage.

REFERENCES:
patent: 3124631 (1964-03-01), Davis et al.
patent: 3897916 (1975-08-01), Rosen
patent: 3978192 (1976-08-01), Sussman
patent: 4095318 (1978-06-01), Abbott et al.
patent: 4327873 (1982-05-01), Juppet et al.
patent: 4543697 (1985-10-01), Phillips
patent: 4610060 (1986-09-01), Phillips et al.
Chemiefasern/Textilindustrie, Sep. 1981, pp. 638-648, Dr. K. Riggert, Verstreckung Von Polyester-Fadenkabel.

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