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Method and apparatus for zig-zag folding webs of paper and the like

  • US 4,708,332 A
  • Filed: 07/02/1986
  • Issued: 11/24/1987
  • Est. Priority Date: 07/06/1985
  • Status: Expired due to Fees
First Claim
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1. A method of zig-zag folding a continuous web of paper or a like flexible material which has alternating first and second panels connected to each other by transversely extending weakened zones, comprising the steps of transporting the web at a first speed in a predetermined direction and along a first path;

  • diverting at least a portion of each of successive first panels from the first path into a second path; and

    advancing the diverted first panels at a lower second speed while continuing to transport the second panels immediately following the diverted first panels at said first speed so that at least one of each pair of panels including a diverted first panel and the immediately following second panel develops a loop and the second panel of such pair of panels overlies the respective first panel.

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