Method and apparatus for producing coreless roll assemblies...

Details Method and apparatus for producing coreless roll assemblies... Method and apparatus for producing coreless roll assemblies...

B - Operations, Transporting

65

H

242/44.1

B65H 75/00 (2006.01) B65H 18/22 (2006.01) B65H 19/22 (2006.01) B65H 29/00 (2006.01)

Patent

CA 1067477

A METHOD AND APPARATUS FOR PRODUCING CORELESS ROLL ASSEMBLIES OF SEPARABLE BAGS ABSTRACT OF THE DISCLOSURE A method and apparatus for rolling discrete successive sheets of material into a coreless roll assembly comprising means for folding successive sheets of material and guiding and advancing the sheets to a winding station which comprises an axially translatable spindle having ports in its circumferential surface coupled to an air supply. Cooperating with the spindle are translatable belt guide means which substantially circumscribe the spindle so as to guide and aid the advancement of the folded sheets around the spindle, and timing means actuated after a predetermined number a sheets are wound onto the spindle for forcing air out through the ports in the spindle to provide an air bearing layer thereat. The spindle is then axially retracted from the bore of the roll thereby dis- charging the roll assembly. S P E C I F I C A T I O N 1.

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