Suction box for stabilizing web at connecting point

Details Suction box for stabilizing web at connecting point Suction box for stabilizing web at connecting point

B - Operations, Transporting

65

H

271/52, 271/71

B65H 19/18 (2006.01) B65H 19/20 (2006.01) B65H 23/24 (2006.01)

Patent

CA 1324800

ABSTRACT OF THE DISCLOSURE Apparatus for stabilizing the trailing end of a web that is to be spliced to the leading end of a new web includes a knife for severing the old web and for creating a tail that must be stabilized, a suction box over which the trailing end passes, which provides stability to the trailing end, a pressure roll movable to move the cut trailing end of the old web against the leading end of the new web and a leaf-spring-like extension extending downstream of the suction box to the connection point or splice point between the webs. The extension is deflectable with the pressure roll and the extension carries the vacuum of the suction box further downstream and also supports the trailing end of the cut old web. The extension is cantilevered to the downstream side of the suction box.

570153

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