Apparatus for prepositioning a yarn end on spinning cops for sub

Details Apparatus for prepositioning a yarn end on spinning cops for sub Apparatus for prepositioning a yarn end on spinning cops for sub

1995-07-06

1996-09-17

Mansen, Michael R.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 18EW, 242 356E, B65H 5400, B65H 6904

Patent

active

055560466

ABSTRACT:
An apparatus for prepositioning a yarn end on a spinning cop for subsequent unwinding in a bobbin winding machine accomplishes improved functional capabilities by providing a positionally changeable yarn guiding device as well as a yarn retaining device. A part of the yarn guiding device which comes into contact with the yarn can be moved from an active position below the upper edge of the cop into an inactive position above the cop nose. The yarn retaining device has an opening for yarn entry. By way of a control device, the yarn guiding device is controlled to take up the inactive position following the placement of nose windings about the cop nose, and a device for inserting the remaining yarn end portion into the tubular interior of the cop is then activated and the yarn retaining device is taken out of contact with the upper edge of the cop. Preferably, the yarn inserting device comprises a tubular arbor which can be positioned centrally above the cop to function as a yarn end blower nozzle.

REFERENCES:
patent: 4901931 (1990-02-01), Mista
patent: 4909451 (1990-03-01), Kuepper et al.
patent: 4928903 (1990-05-01), Wirtz et al.
patent: 5050811 (1991-09-01), Nishimura et al.
patent: 5106027 (1992-04-01), Wirtz et al.
patent: 5232171 (1993-08-01), Hensen

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