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WEB FEEDING APPARATUS

  • US 3,844,189 A
  • Filed: 05/15/1973
  • Issued: 10/29/1974
  • Est. Priority Date: 05/03/1973
  • Status: Expired due to Term
First Claim
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1. Web feeding apparatus including a web diverting device which is controllable to cause a free leading end of a web to take a selected one of two alternative paths, the web diverting device comprising a pair of facing surfaces which diverge from each other in the web feeding direction whereby each defines a respective one of the two alternative paths, the facing surfaces of the diverting device extending substantially parallel to each other for a length before they commence to diverge, and means for directing a flow of air over either one of said surfaces as selected in the direction of web feed, whereby the free leading end of a web passing between the facing surfaces is drawn to the one of the surfaces over which the flow of air is directed, the means for directing the flow of air over the facing surfaces comprising air feed devices respectively disposed in each of said facing surfaces part way along their substantially parallel portions, and web severing means positioned to sever the web substantially at the commencement of the divergence of said facing surfaces.

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