Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1977-05-23
1979-01-23
Rimrodt, Louis
Textiles: manufacturing
Thread finishing
Surface modification of running length
28265, D02G 120, D02G 116, D02G 112
Patent
active
041352807
ABSTRACT:
Continuous filaments are fed by aspiration into a stream of heated fluid in a conduit. The filaments are then contacted with at least a second stream of heated fluid in a second conduit of increased cross-sectional area to increase the temperature of the filaments. The combined streams of fluid containing the filaments are transferred to an energy tube having an angular disposition relative to a barrier disposed within a chamber and are directed by said energy tube into contact with said barrier at a force sufficient to initiate crimping of the filaments. A major portion of the fluid is separated from the filaments and expelled from the chamber. The filaments are transported through the chamber by continuous movement of a surface therein at sufficient velocity to cause overfeeding of the filaments, whereby the filaments are forced against a mass thereof and emerge from the chamber in crimped form.
REFERENCES:
patent: 2734228 (1956-02-01), Hay
patent: 3156028 (1964-11-01), Weiss et al.
patent: 3438101 (1969-04-01), Le Noir et al.
patent: 3859697 (1975-01-01), Guenther
patent: 3861133 (1975-01-01), Frankfort et al.
patent: 3899811 (1975-08-01), Bauch
patent: 4024610 (1977-05-01), Li et al.
Li Hsin L.
Liland Alfred L.
Oswald Hendrikus J.
Allied Chemical Corporation
Buff Ernest D.
Harman Robert A.
Rimrodt Louis
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