Process for the production of a yarn from fiber material

Details Process for the production of a yarn from fiber material Process for the production of a yarn from fiber material

1990-07-24

1991-04-16

Schroeder, Werner H.

Textiles: fiber preparation

Working

Crush rolls

19 98, 19115R, 19228, D01B 900, D01G 1200

Patent

active

050071360

ABSTRACT:
The fiber material (of which a yarn is to be spun) is drawn and combed after carding. In order to determine the combing intensity, a sample is taken from the fiber material after carding and is subjected to an analysis for fiber length and/or impurities. Certain limits are set for fiber length and/or impurities and the combing intensity is adjusted according to the results of the analysis. The fiber material treated with this combing intensity is again drawn and is then opened into individual fibers which are incorporated into a continuously spun and drawn-off yarn.

REFERENCES:
patent: 2795012 (1957-06-01), Gibson et al.
patent: 3577598 (1971-05-01), Schwarz
patent: 3987615 (1976-10-01), Hill, Jr.
patent: 4088016 (1978-05-01), Watson et al.
patent: 4137487 (1979-01-01), Niestroj et al.
patent: 4225244 (1980-09-01), Schwarz
patent: 4253215 (1981-03-01), Mangialardi, Jr.
patent: 4281438 (1981-08-01), Welker et al.
patent: 4434531 (1984-03-01), Mondini
patent: 4700431 (1987-10-01), Artzt et al.
patent: 4703431 (1987-10-01), Sako et al.
patent: 4704031 (1987-11-01), Ulrich et al.
patent: 4812993 (1989-03-01), Konig et al.
Morton and Hearle, Physical Properties of Textile Fibers, 1975, pp. 111-114.

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