Textiles: spinning – twisting – and twining – Apparatus and processes – Piecing up
Patent
1983-09-28
1986-10-28
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Piecing up
57263, 57328, D01H 1500, D01H 1502, D01H 528
Patent
active
046191097
ABSTRACT:
A method of yarn piecing in a fasciated yarn spinning unit is disclosed by which a yarn having a broken end and drawn out from the yarn package is introduced through the false-twisting nozzle by conducting an intermediate portion of the yarn into a slit which is formed on a lateral side of the nozzle and extends to the yarn passage channel in the nozzle. Because the yarn has been previously cut into a predetermined length thereof, the cut end of the yarn is placed in the drafting zone of the drafting mechanism at a position where the cut yarn end overlaps a broken end of the fiber bundle. By restarting the spinning operation, the overlapping ends of the yarn and fiber bundle are drafted properly in the drafting zone and then the fibers in the overlapping ends are intermingled by the false-twisting effect of the rotary stream of jetted air while they are advanced through the false-twisting nozzle.
REFERENCES:
patent: 3006137 (1961-10-01), Long
patent: 3992865 (1976-11-01), Tsuchida et al.
patent: 4114358 (1978-09-01), Tsuchida et al.
patent: 4543776 (1985-10-01), Seiki et al.
Seiki Kazuo
Suzuki Yoshihisa
Yasui Yoshiharu
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Petrakes John
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