COVERING FOR A MACHINE FOR PRODUCING A FIBROUS WEB AND METHOD FOR PRODUCING A COVERING OF THIS TYPE

• Main Author: STRAUB MICHAEL
• Format: Patent
• Language: Chinese; English
• Published: 30.10.2020
• Subjects: METHODS OF PRODUCING PAPER THEREON; PAPER-MAKING; PAPER-MAKING MACHINES; PRODUCTION OF CELLULOSE; TEXTILES

The invention relates to a covering for a machine for producing a fibrous web, more particularly a paper or card web, which is substantially formed from a film-like material (12), having a first surface (14) facing the fibrous web and a second surface (16) facing away from the fibrous web, wherein the covering comprises a plurality of through openings (24), which each extend along a central axis (32) from the first surface (14) to the second surface (16), wherein the central axes (32) of at least some of the through openings (24) in the covering enclose an angle with the first surface (14) which differs from 90 degrees. The invention further relates to a machine for producing a fibrous web, more particularly a paper or card web, comprising a covering of this kind and to a method for producing a covering of this kind, wherein the through openings (24) are made in the film-like material (12) by means of a laser. 本发明涉及用于制造纤维幅材、尤其是纸幅材或纸板幅材的机器的绷网，绷网基本上由薄膜状的材料(12)形成，薄膜状的材料具有面朝纤维幅材的第一表面(14)和背离纤维幅材的第二表面(16)，其中，绷网包括多个