Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1979-01-08
1981-10-27
Mackey, Robert
Textiles: manufacturing
Thread finishing
Surface modification of running length
D02G 112, D02G 116
Patent
active
042965357
ABSTRACT:
Continuous filaments are fed into a heating zone. The filaments are then contacted with a stream of heated fluid to increase the temperature of the filaments. The stream of fluid containing the filaments is directed into contact with a barrier disposed within a chamber 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 producing crimps therein. One or more streams of heated fluid are then contacted with the mass of filaments to set the crimps. The crimped filaments emerge from the chamber through an outlet opening therein.
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Li Hsin L.
Liland Alfred L.
Oswald Hendrikus J.
Allied Chemical Coporation
Buff Ernest D.
Fuchs Gerhard H,.
Mackey Robert
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