×

ACCORDION, FOLDING AND CUTTING APPARATUS

  • US 3,784,188 A
  • Filed: 08/31/1971
  • Issued: 01/08/1974
  • Est. Priority Date: 08/31/1971
  • Status: Expired due to Term
First Claim
Patent Images

1. Thin sheet material folding and cutting apparatus comprising:

  • means for reverse folding an indefinite length web of thin sheet material into a continuum of transverse crease connected panels of uniform length, the bight of a first crease open to a first direction and the bight of a second, successive crease open to a second direction;

    planar support means reciprocable in a plane substantially parallel with said creases, said planar support means having a cutting edge for engaging a longitudinal element of a first transverse crease bight along the full length thereof;

    a rolling pressure surface having a line of rolling contact for pressing said web against said cutting edge;

    support structure for said rolling pressure surface, said support structure including guide means for confining said line of rolling contact to a plane parallel with said cutting edge;

    pressure surface drive means secured to said support structure for driving said rolling pressure surface along said line of rolling contact; and

    , transmission means to coordinate the engagement of said cutting edge with the bight of said first transverse crease from said first direction, to move said rolling pressure surface ans support structure therefor into rolling pressure surface engagement with a face of said web opposite from said cutting edge and to energize said drive means for transverse severance of said web.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×