Method and apparatus for forming cross-wound packages

Details Method and apparatus for forming cross-wound packages Method and apparatus for forming cross-wound packages

1986-08-25

1987-12-15

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 43B, B65H 5428

Patent

active

047127465

ABSTRACT:
Winding of threads into cross-wound packages is effected by a moving traverse mechanism of a main traverse mechanism by which the thread is laid on to the package. The thread runs in a preliminary traverse mechanism between two elongated guide members which form therebetween a gap. The thread extends transverse to the guide members. The thread is additionally influenced by the preliminary traverse mechanism by means of air streams flowing in the longitudinal direction of the gap, these air streams being controlled with respect to timing. In this way, the thread is relatively uniformly tensioned, so that the operation of laying the thread into the package can be performed by the main traverse mechanism with greater precision. In the preliminary traverse mechanism, the thread practically does not come into contact with any fixed components, since no such components are required for its guidance and within the gap the thread is located in a kind of air cushion. Thus the thread is treated gently while there is no wear of moving parts in the preliminary traverse mechanism.

REFERENCES:
patent: 3330492 (1967-07-01), Gonsalves
patent: 3489359 (1970-01-01), Richter
patent: 3831872 (1974-08-01), Fisher et al.
patent: 3945581 (1976-03-01), Schippers et al.

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