Method and apparatus for finding and feeding a yarn end to be ta

Details Method and apparatus for finding and feeding a yarn end to be ta Method and apparatus for finding and feeding a yarn end to be ta

1993-12-13

1996-02-27

Stryjewski, William

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 355R, 242 356E, B65H 5400, B65H 6706

Patent

active

054942314

ABSTRACT:
A method and apparatus for finding and feeding a yarn end to be taken up in a textile winder in which bobbins in an upright disposition on individual tube support members are advanced sequentially to a winding position. A detector determines whether yarn is being unwound from the bobbin the winding position. If the detector detects that no yarn is being unwound, a yarn finding device locates with suction the yarn end on the bobbin in the ready position next succeeding the bobbin in the winding position. The finding of the yarn end is assisted by an air blowing device. A yarn feeding device feeds the yarn end to a yarn joiner to be joined to the trailing yarn end from a take-up yarn package, or places the yarn end on an empty take-up package tube. The yarn finding device employs an open end yarn end receiving portion, which applies suction to the upstanding end of the bobbin in the ready position. The yarn end receiving end portion is adjustable to accommodate bobbins of different lengths and has a slot through which the found yarn passes to feed to the take-up as the bobbin moves to the winding position. A balloon breaker has mounting positions extending from the yarn end receiving end portion on opposite sides of the slot to guide the yarn into the balloon breaker above the winding position.

REFERENCES:
patent: 3111280 (1963-11-01), Reiners et al.
patent: 4664326 (1987-05-01), Grecksch et al.
patent: 4801108 (1989-01-01), Grecksch et al.
patent: 4943009 (1990-07-01), Gerstner-Stevens et al.
patent: 5082194 (1994-01-01), Grecksch et al.
patent: 5282581 (1994-02-01), Engelhardt et al.

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