×

Method and device for assuring orderly web travel in a folder by punching holes in a paper width direction

  • US 5,186,444 A
  • Filed: 06/29/1992
  • Issued: 02/16/1993
  • Est. Priority Date: 04/11/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. Device for assuring orderly web travel in a given direction in a folder, comprising at least one cutting cylinder, at least one cutting knife disposed on said cutting cylinder, a grooved cylinder disposed in cooperative engagement with said cutting cylinder, said grooved cylinder carrying at least one rubber beam in a groove formed in said grooved cylinder, said cutting cylinder and said grooved cylinder being contrarotatable so that said cutting knife and said rubber beam are periodically in mutual engagement at a cut-off location, and at least one stamping die disposed in vicinity of said cut-off location and extending across substantially the entire width of a path traversible by a layered structure formed of mutually superimposed web surface portions travelling through a nip between said cylinders for stamping holes out of the layered structure while leaving a tongue-like element appendant to the web surface portions and projecting through the holes adjacent a location of the web surface portions at which a signature is cut-off by said cutting knife.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×