Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1981-09-16
1983-12-06
Christian, Leonard D.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242DIG3, 209920, B65H 2700
Patent
active
044188749
ABSTRACT:
Methods and apparatus for storing a length of web push the web from such length into a coiled form, whereby adhesion tends to develop between turns of the web in the coiled form, effectively limiting attainable minimum web coil diameter. According to the invention, such adhesion is broken up at least intermittently and web is continued to be pushed into the coiled form to reduce the web coil diameter and accommodate the entire length of web in the coiled form. The mentioned breaking up may include changing static friction between turns of the web to dynamic friction and/or shaking the turns of the web at least intermittently. Where a curved recipient is employed for prompting the web into a coiled form, an electromagnetic vibrator having a plunger acting on the curved recipient at least intermittently may be employed. An aspect of the invention imposes on the web a curl assisting coiling thereof in a housing.
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Bell & Howell Company
Christian Leonard D.
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