Textiles: fiber preparation – Stapilizing – Tension breaking
Patent
1982-03-31
1985-02-26
Rimrodt, Louis K.
Textiles: fiber preparation
Stapilizing
Tension breaking
57246, D01G 108
Patent
active
045010463
ABSTRACT:
A method and apparatus is provided for producing a synthetic multifilament yarn having the appearance, bulk and hand characteristics normally associated with spun yarns of staple fibers. The yarn is air jet textured to form loops, coils, bows and the like in the filaments, and at least some of the projecting loops, coils, and bows are enlarged or parted by advancing and looping the yarn around one or more rotating rollers, such that the portion of the yarn running onto the roller overlaps and contacts the portion of the yarn leaving the roller and thereby clampingly engages the projecting loops, coils, bows and the like of the leaving yarn portion. The efficiency of the process may be controlled by varying the number of rollers, as well as the yarn tension during the parting operation.
REFERENCES:
patent: 2208497 (1940-07-01), Coleshill et al.
patent: 2234540 (1941-03-01), Fryer
patent: 2276208 (1942-03-01), Kline
patent: 2783609 (1957-03-01), Breen
patent: 2852906 (1958-09-01), Breen
patent: 3781953 (1974-01-01), Stegelman
patent: 4297837 (1981-11-01), Bauer et al.
patent: 4338776 (1982-07-01), Krenzer
Barmag Barmer Maschinenfabrik AG
Rimrodt Louis K.
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