Formation of a reserve winding thread of defined length on bobbi

Details Formation of a reserve winding thread of defined length on bobbi Formation of a reserve winding thread of defined length on bobbi

1976-09-15

1978-06-06

Hornsby, Harvey C.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 18A, B65H 5402

Patent

active

040931331

ABSTRACT:
In a method and apparatus for winding yarn onto a bobbin in a textile machine in a manner to form a reserve winding at one end of the bobbin, the yarn forming the reserve winding is given an accurately determined length by drawing a length of yarn greater than the predetermined length into a suction device before commencing winding of a bobbin and then cutting the yarn at a predetermined point beyond the inlet end of the suction device at a time bearing a fixed relation to the catching of the yarn by a catch element associated with the bobbin. The timing of the cutting operation is controlled by monitoring the instant at which the inlet end of the suction device is moved to a position at which the yarn can be caught by the catch element.

REFERENCES:
patent: 3559903 (1971-02-01), McDermott et al.
patent: 3741488 (1973-06-01), Wvest
patent: 3791126 (1974-02-01), Kose et al.
patent: 3948452 (1976-04-01), Burysek et al.
patent: 3952959 (1976-04-01), Shaw et al.
patent: 3964722 (1976-06-01), Boggs et al.

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