Winder for endless material webs

Winder for endless material webs

  • CN 104,169,199 B
  • Filed: 11/20/2012
  • Issued: 03/24/2020
  • Est. Priority Date: 11/21/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method for producing a roll (18) from a plastic film, which is guided over a contact roller (19) of a winder and is wound into a roll (18) in the winder, wherein the contact roller (19) is kept in contact with the roll (18) during winding, characterized in that the wrap angle (α

  • ) of the plastic film running on the contact roller (19) is kept at a constant theoretical value, predetermined for the respective winding, during the winding of the roll (18) up to the completion of the roll, wherein the theoretical value of the wrap angle (α

    ) is kept at 90 °

    or less during the winding up to the completion of the roll.

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