Textiles: spinning – twisting – and twining – Apparatus and processes – Elements
Patent
1976-06-25
1978-01-17
Queisser, Richard C.
Textiles: spinning, twisting, and twining
Apparatus and processes
Elements
57 34AT, D02G 326, D01H 790
Patent
active
040684598
ABSTRACT:
The present invention relates to methods of twist-plying a fibrous product. In accordance with the proposed method, applied to each of two fibrous ribbons is a pulsating torque created by a vortex of air of an invariable direction. Apart from the pulsating torque, each fibrous ribbon is constantly subjected to an additional torque of the opposite direction. The amount of the additional torque is less than that of the pulsating torque and is equal to 0.1 - 0.8 of its amount. As a result, each of the fibrous ribbons acquires a sign-variable twist. The fibrous ribbons are thereafter joined together and, while untwisting on each other, they become interlaced, thereby forming the finished product. This makes it possible to enhance the quality of the product, to reduce the end breakage thereof, and to improve both the stability and reliability of the process.
REFERENCES:
patent: 3306023 (1967-02-01), Henshaw et al.
patent: 3468120 (1969-09-01), Hildebrand
patent: 3537251 (1970-11-01), Kimura et al.
patent: 3717988 (1973-02-01), Walls
Afanasiev Vladimir Konstantinovich
Babushkina Natalya Borisovna
Ivanov Lev Nikolaevich
Khavkin Viktor Pavlovich
Kudryavtseva Tamara Nikolaevna
Gorenstein Charles
Queisser Richard C.
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