Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1983-03-18
1985-03-12
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242174, B65H 5438
Patent
active
045040214
ABSTRACT:
A method and apparatus for producing a ribbon free randomly wound yarn package is disclosed, and wherein a plurality of critical winding ratios at which undesirable pattern formations or ribbons would normally occur are determined and stored in a microprocessor control unit. During the winding operation, the spindle speed and traversing frequency are monitored by sensors and are transmitted to the control unit, and the control unit computes the optimum time for rapidly changing the traversing frequency so that the actual winding ratio moves rapidly through each of the approaching critical winding ratios. The original traversing frequency is re-established after having passed beyond each of the critical winding ratios.
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L'Industrie Textile, 1966, pp. 689-691.
Journal of the Textile Institute, Transactions, vol. 51, No. 7, Jul. 1960, pp. T265-T270.
Lenk Erich
Martens Gerhard
Mayer Manfred
Pieper Werner
Putsch Siegfried
Barmag Barmer Maschinenfabrik AG
Gilreath Stanley N.
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