REWINDING MACHINE AND METHOD FOR THE PRODUCTION OF ROLLS OF WEB MATERIAL

摘要

A rewinding machine is described with a winding cradle defined by three rollers and including a fourth winding roller defining with the first winding roller a cradle in which the web material is pushed by a winding core to the beginning of each winding cycle, to cause severing of the web material without the need for controlled mechanical parts.

主权项

1. A method for winding a web material around a winding core and producing a roll of web material comprising:
providing a first winding roller and a second winding roller forming a winding nip through which winding cores and web material pass; winding a predetermined quantity of said web material around a first winding core to form a first roll; after winding said first roll, severing the web material and starting to wind a second roll around a second winding core,wherein the web material is severed by lengthening a path of said web material between said first winding roller and a further roller, arranged upstream of said first winding roller with respect to a direction of advancement of said web material, around which said web material is guided, and wherein the first winding roller and the further winding roller rotate in a common direction.