Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1986-10-06
1987-10-13
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
D01H 7892, D01H 7898
Patent
active
046989625
ABSTRACT:
When producing fancy yarn on open-end spinning devices, sliver-like basic fiber material is opened into individual fibers and is fed in an air stream to an open-end spinning element. A fiber sliver of the fancy-effect fiber material is conveyed at constant speed into an air stream by which fiber tufts are separated. Fancy-effect fiber tufts and individual fibers thus separated are fed to an open-end spinning element together with the opened basic fiber material. To carry out this process, a feeding device is provided for the fancy-effect fiber material, such feeding device being driven at constant speed so that the fancy-effect fiber material is brought into the fiber feeding channel in the form of an uninterrupted fiber sliver.
REFERENCES:
patent: 3501907 (1970-03-01), Tabata et al.
patent: 3523300 (1970-08-01), Tabata et al.
patent: 3768246 (1973-10-01), Tabata et al.
patent: 3956876 (1976-05-01), Artzt et al.
patent: 3998040 (1976-12-01), Ripka et al.
PCT Published Application 79/00489, inventor Olsson, with published international search report, published Jul. 26, 1979.
Artzt Peter
Miller Heinz
Schubert & Salzer
Watkins Donald
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