公开(公告)号：US20240367406A1

公开(公告)日：2024-11-07

申请号：US18580709

申请日：2022-07-19

Applicant: Valmet Tissue Converting S.p.A.

Inventor： Mauro RICCI ,  Fabrizio LORENZI

IPC: B31F1/07

Abstract: The embosser includes two load-bearing structures that are mutually movable to approach and move away from each other. The first load-bearing structure supports a plurality of first embossing rollers that can be selectively brought to an operating position, in which they cooperate with a first pressure roller. The second load-bearing structure supports one or more second embossing rollers cooperating with a second pressure roller. The two support structures can be moved away from each other to allow the selection movement of the first embossing rollers.

公开(公告)号：US20240308169A1

公开(公告)日：2024-09-19

申请号：US18576553

申请日：2022-07-01

Applicant: Valmet Tissue Converting S.p.A.

Inventor： Fabrizio LORENZI ,  Leonardo BOSCHI

IPC: B31F1/07

CPC classification number: B31F1/07 ,  B31F2201/0715 ,  B31F2201/0753 ,  B31F2201/0764 ,  B31F2201/0766 ,  B31F2201/0771 ,  B31F2201/0787 ,  B31F2201/0789

Abstract: The embossing device includes—a first path for a first ply of web material; —along the first path, a first embossing roller provided with embossing protrusions; —a first heating device associated with the first embossing roller to heat the surface of the first embossing roller; —at least a first functional roller adapted to perform an action on a ply of web material. The first functional roller is provided with a rotation arrangement, adapted to keep the first functional roller in rotation during a temporary stoppage of the embossing device, with the first functional roller spaced from the first embossing roller and with the first ply of web material stationary in the first path.