Device for winding up yarns

Details Device for winding up yarns Device for winding up yarns

1975-06-27

1977-10-25

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

2421183, 242178, B65H 5440, B65H 7518

Patent

active

040553116

ABSTRACT:
A device for winding up yarns on bobbins is described. The empty bobbins are driven by means of a friction roll via their surface, that is, via the winding with proceeding windup operation. The yarn is traversed over the complete length of the winding on the bobbin by means of a traversing device, and it has been observed that the winding is thicker at the points of reverse travel of the traversing device than in the central section of the winding, and that the yarn sections at these points of reverse travel are subjected to a heavy mechanical strain by the friction roll. This strain is avoided by decreasing the diameter of the empty bobbin relative to the center of the empty bobbin in the vicinity of reverse travel of the traversing device.

REFERENCES:
patent: 2004153 (1935-06-01), Brainard
patent: 3831362 (1974-08-01), Dudzik

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