Textiles: spinning – twisting – and twining – Apparatus and processes – Twist setting
Patent
1977-04-07
1979-01-16
Gorenstein, Charles
Textiles: spinning, twisting, and twining
Apparatus and processes
Twist setting
57290, 57293, 57339, 57348, D02G 108
Patent
active
041342526
ABSTRACT:
This invention relates to a method and apparatus for imparting false twists to two yarns simultaneously. The significance of the invention resides in that an industrially utilizable method for false twisting yarns by frictional contact of two yarns with 4 rotating frictional discs has been provided. The apparatus of the present invention for practising the false twisting method is characterized in that the angle of contact of yarns with the frictional discs is maintained within a specific range and the frictional discs are attached to four shafts in specific order at specific heights. Various processes for preparing a variety of false twist yarns by utilizing the false twisting method and apparatus of the present invention have been established.
REFERENCES:
patent: 3845613 (1974-11-01), Knebel
patent: 4016715 (1977-04-01), London, Jr.
Koide Kazuyoshi
Nakagawa Kiyoshi
Oka Ken-ichiro
Otaki Yukio
Gorenstein Charles
Toray Industries Inc.
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