Patent ID: 6928912
Filing Date: 2005-08-16
Classification: B65H,D21G,Y10T

Abstract:
1. An apparatus for transferring a moving web of a flexible material from a web guide surface, the web guide surface outputting the moving web, the moving web having at least one web edge, said apparatus comprising: at least one edge nozzle, each said edge nozzle being positioned so as to be proximate one said at least one web edge, said each said edge nozzle being configured for separating the moving web from the web guide surface, said each said edge nuzzle being further configured to function as a severing device, said each said edge nozzle thereby being configured for transversely severing the moving web and forming a new start portion thereof, said each said edge nozzle briefly ejecting therefrom a high-energy air jet, each said high-energy air jet being ejected between the web guide surface and the moving web; and a transfer subassembly, said transfer subassembly including a pneumatic guide plate and said at least one edge nozzle, said transfer subassembly including at least one high-pressure chamber and at least one low-pressure chamber, said at least one high-pressure chamber connected to said at least one edge nozzle, said at least one low-pressure chamber connected to said pneumatic guide plate, said transfer subassembly having a plurality of walls defining both said at least one low-pressure chamber and said pneumatic guide plate, at least one of said plurality of walls common to both said at least one low-pressure chamber and said pneumatic guide plate, said at least one high-pressure chamber being at a higher pressure than said at least one low-pressure chamber said high pressure chamber having an opening blowing air along the pneumatic guide plate in the direction of the moving web, said low pressure chamber having plural openings blowing air along the pneumatic guide plate in the direction of the moving web.