Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1996-12-31
1998-06-23
Crowder, C. D.
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
57403, D01H 400
Patent
active
057688796
ABSTRACT:
In a process in open-end spinning at least one sliver is opened into single fibers. A transfer surface, rotating at a higher speed than the opened single fibers, takes up same already in the opening area. The single fibers are taken along transversely to the rotational direction in the form of an expanded fiber veil. Before completion of one revolution of the transfer surface, the single fibers are transferred to a yarn forming line of a twist device, which, for example, comprises a friction roller pair, and are withdrawn, under the action of an imparted twist, along the yarn forming line thus forming a yarn. The yarn withdrawal takes place hereby transversely to the rotational direction of the transfer surface. The withdrawal speed corresponds at least to the speed of the single fibers as they arrive at the yarn forming line.
REFERENCES:
patent: 4237685 (1980-12-01), Pelagio et al.
patent: 4672800 (1987-06-01), Fehrer
patent: 4676062 (1987-06-01), Brockmanns et al.
patent: 4697411 (1987-10-01), Artzt et al.
patent: 4718227 (1988-01-01), Handschuch
patent: 4745738 (1988-05-01), Stahlecker
Crowder C. D.
Stahlecker Fritz
Stahlecker Hans
Taylor Tina R.
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