Open-end yarn piecer

Details Open-end yarn piecer Open-end yarn piecer

1984-05-18

1987-07-21

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57261, 57405, D01H 1502

Patent

active

046809252

ABSTRACT:
The travelling piecer carries a lever to separate the nip rollers, a yarn reserve forming device to receive the yarn and a threading device for threading a broken yarn from a package between the nip rolls and through the yarn reserve forming device. The piecer also has a control which effects a piecing operation in which a clutch is actuated to feed fiber into the spinning unit while yarn is back-fed into the unit from the yarn reserve. At the completion of a predetermined time period (T) the nip rolls are re-engaged to withdraw the re-pieced yarn.

REFERENCES:
patent: 3640059 (1972-02-01), Lutovsky et al.
patent: 3695017 (1972-10-01), Hori et al.
patent: 3810352 (1974-05-01), Miyazaki et al.
patent: 3858385 (1975-01-01), Shinkai et al.
patent: 4041684 (1977-08-01), Kamp
patent: 4120140 (1978-10-01), Raasch
patent: 4125990 (1978-11-01), Stahlecker et al.

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