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Method and apparatus for transverse folding of articles

  • US 5,904,277 A
  • Filed: 02/14/1997
  • Issued: 05/18/1999
  • Est. Priority Date: 02/08/1996
  • Status: Expired due to Fees
First Claim
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1. An article folding apparatus comprising:

  • a web advancing means,means to cut segments from said web,means to transport at least one of said segments to a carrier means,said carrier means moving in a path having a beginning and an end,said carrier means including a surface with cutouts for movement and operation of folding devicessaid carrier means surface having a plurality of vacuum apertures arranged to hold a plurality of said segments in juxtaposed end-to-end relationship against the surface of said carrier,said vacuum apertures arranged in at least two pre-determined patterns,a vacuum source communicating with said vacuum apertures,at least one of said pattern of apertures arranged to hold the leading half portion of said segment on one side of a first fold line, and,at least one of said patterns arranged to hold the trailing half portion of said segment on the other side of said first fold line,said carrier including means to apply a first positive force to fold said leading half portion of said segment outward from the carrier surface, and,including means to apply a second positive force to fold said leading half portion into superposed relationship with said trailing half portion,said first force means being operative through at least one cutout in said carrier surface, andmeans to remove the folded article from said carrier as said carrier approaches the end of said path.

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