Textiles: spinning – twisting – and twining – Apparatus and processes – Receiving twist type
Patent
1975-01-15
1976-09-14
Queisser, Richard C.
Textiles: spinning, twisting, and twining
Apparatus and processes
Receiving twist type
57 774S, 242155M, D02G 104
Patent
active
039798941
ABSTRACT:
A false-twisting apparatus for producing crimps in filament yarns, comprising: a first group of endless belts each having a straightly extending region between two spaced pulleys; about which it is entrained a second group of belts arranged in vertically zigzag fashion relative to the belts of the first group and each belt of the second group having a straightly extending region between two spaced pulleys about which it is entrained. The straightly extending regions of the second group of belts are positioned in vertical zig-zag and parallel fashion relative to the adjacent similar regions of the belts of the first group the belts of the second group are driven to travel in a direction opposite to that of travel of each of the belts of the first group. Means, further, are provided for detecting the fluctuation in the tension of the filament yarns which are passed in successive contact with the contact surfaces of these straightly extending regions of the belts in zig-zag fashion; as are means for adjusting the positions of inlet and outlet guides of the filament yarns operatively coupled to said tension fluctuation detecting means; and means for adjusting the parallel distances between the respective straightly extending regions of the belts. This apparatus can be operated at a very high speed under a relatively low tension on the filament yarns and insures the production of evenly crimped yarns of high quality at low production as well as construction costs and can occupy less floor area.
REFERENCES:
patent: 2586037 (1952-02-01), Heffelfinger
patent: 3021663 (1962-02-01), Findlow
patent: 3103097 (1963-09-01), Meili et al.
patent: 3113746 (1963-12-01), Steen
patent: 3287890 (1966-11-01), McIntosh et al.
patent: 3482384 (1969-12-01), Berger, Jr.
patent: 3670488 (1972-06-01), Richter
Gorenstein Charles
Oda Gosen Kogyo Kabushiki Kaisha
Queisser Richard C.
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