Winding flexible material with layer shifting

Details Winding flexible material with layer shifting Winding flexible material with layer shifting

B - Operations, Transporting

65

D

242/57.1

B65D 85/67 (2006.01) B65H 55/04 (2006.01)

Patent

CA 1230587

ABSTRACT OF THE DISCLOSURE A universal winding consisting of a plurality of successive figure-8s spaced radially around a mandrel with the figure-8s being spaced such that the crossovers exist in all but one location to form a payout hole extending from the exterior of the winding into the interior of the axial opening therein in which the speed of the traverse or speed of the mandrel is varied with respect to one another in such a manner that a greater density winding is obtained having a more uniform density, thereby enabling the winding to be compressed more uniformly around the diameter of the coil. A variation in the speed of the traverse or the speed of the spindle with respect to one another can be defined as either a plus or a minus gain and small changes in the gain place the crossovers such that the flexible material is wound more densely. The invention has particular application to large diameter winds in which relatively large diameter flexible material is wound.

453557

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