B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/4
B65H 19/20 (2006.01) B65H 19/22 (2006.01) B65H 23/26 (2006.01) B65H 75/34 (2006.01) B65H 19/30 (2006.01)
Patent
CA 1212656
Abstract of the Disclosure A turret-type winder particularly adapted for winding of impervious sheet-type web materials, such as plastics, provides self-contained and pivotally mounted pressure rolls which contact the cores and the winding roll throughout the entire winding process and throughout the indexing of the arms from a core loading station to a roll unloading station while maintaining the relative geometry of contact such that the web contacts the pressure roll at or before contacting the winding roll for effectively excluding the entrapment of air between the winding layers. A method of winding from a roll changer or other apparatus for providing a web of material includes the movement of the spindle end of the arms of a turret-type changer through the path of web leading to a winding roll to the back or remote side of the web so that the web lead is brought between the spindle arms and between the empty spindle and the winding roll. Thereafter, web transfer to a new core is accomplished by placing the web onto the core at a side of the core adjacent the axis of the turret, thereby providing movement of a self-contained pressure roll into coacting engagement with the core and the building or winding roll throughout the entire winding process at a region on the periphery of the core and the roll substantially at the web lead-in point and substantially at the nip for effectively excluding air throughout the entire winding process.
416360
Black Clawson Company (the)
Gowling Lafleur Henderson Llp
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