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Method for connecting two ends of flat tubular film sheets equipped with side creases

  • US 20030089760A1
  • Filed: 10/17/2002
  • Published: 05/15/2003
  • Est. Priority Date: 10/17/2001
  • Status: Active Grant
First Claim
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1. Method for connecting two ends of flat tubular film sheets equipped with side creases (2) made of thermoplastic plastic, preferably for connecting the end of a side crease tubular film roll with the beginning of a new side crease tubular film roll, characterized in that one end is equipped with cuts separating the interior edges of the side creases (2), and the other end is inserted or placed into the separated area in such a way that both walls (3, 5) include the other end with one layer (4, 6) each of each side crease (2) of the end area of the other tubular film (1) between themselves, and that separating layers (9) are inserted or placed into the side creases of the included other end area, and the ends are then connected with one another by means of a lateral welding seam (10).

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