Method and apparatus for obtaining predeterminable and exact yar

Details Method and apparatus for obtaining predeterminable and exact yar Method and apparatus for obtaining predeterminable and exact yar

1980-03-04

1982-02-16

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 39, B65H 6308

Patent

active

043156070

ABSTRACT:
The invention relates to a method and an apparatus for obtaining pedeterminable and exact yarn lengths on cross-wound bobbins. It is thereby assumed that all complete cops substantially have the same yarn length and of these only individual partial or remnant cops may contain less yarn. By determining the operation periods or the number of revolutions of the grooved cylinder or the cross-wound bobbin in relation to the yarn length of complete cops, counting values are introduced into a control unit which are totalled in this unit and compared with a set value which corresponds to the yarn length of the complete cross-wound bobbin. As soon as the set value has been obtained, the winding method is interrupted. Further developments of this method enable operating periods or the number of revolutions of different winding points to be compared and thereby to recognize defecting winding methods.

REFERENCES:
patent: 3445837 (1969-05-01), Lyons
patent: 3450358 (1969-06-01), Matsui
patent: 3739996 (1973-06-01), Matsui et al.
patent: 4024645 (1977-05-01), Giles

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