Method and apparatus for winding a yarn

Details Method and apparatus for winding a yarn Method and apparatus for winding a yarn

1995-09-20

1997-02-25

Mansen, Michael R.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 36, B65H 6904, B65H 6300

Patent

active

056052960

ABSTRACT:
A method and apparatus for correcting an interruption of yarn travel resulting in a trailing yarn end from a take-up bobbin and a leading yarn end from a feed bobbin, wherein after the interruption of yarn travel, the take-up bobbin is braked to a stop and a sensor detects the absence of the trailing yarn end from the take-up bobbin. If the absence is detected, the take-up bobbin is rotated in the take-up direction until the trailing yarn end is wound onto the take-up bobbin. If the absence is not detected, it is assumed that the trailing yarn end is wound onto the take-up bobbin. A catcher nozzle is provided for aspirating the trailing end if it is not wound onto the take-up bobbin, and the sensor is associated with the catcher nozzle. A suction nozzle is provided for aspirating the yarn end from the peripheral surface of the take-up bobbin and placing the trailing yarn end in a yarn end joining device where it is joined to the leading yarn end.

REFERENCES:
patent: 3198446 (1965-08-01), Furst et al.
patent: 3539122 (1970-11-01), Spani
patent: 3728550 (1973-04-01), Cleland, Jr. et al.
patent: 4535945 (1985-08-01), Rohner et al.
patent: 4957244 (1990-09-01), Colli et al.
patent: 5188304 (1993-02-01), Colli et al.
patent: 5301886 (1994-04-01), Kathke et al.

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