Gravure paper and manufacturing process for this paper

US6423181B1 · kind B1 · utility

Assignee

• Voith Sulzer Papiertechnik Patent GmbH · DE

Inventors

• Benjamin Mendez-Gallon · Oberkochen, DE
• Klaus Prechtel · Heidenheim, DE
• Wolfram Sturm · Nuremberg, DE
• Johann Moser · Heidenheim, DE
• Volker Schmidt-Rohr · Heidenheim, DE
• Ingolf Cedra · Heidenheim, DE

Key dates

• Filing date: May 15, 2000
• Grant date: Jul 23, 2002
• Expiry date: May 15, 2020

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D21H23/54
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A gravure paper and a method of manufacturing gravure paper having a maximal roughness depth of approximately 1.40 &mgr;m. The method utilizes a paper machine including a forming system, a first press section, and a drying section, and includes producing a stock suspension including a stock having a freeness of greater than or equal to approximately 50 ml CSF, forming an unfinished fibrous material web from the stock suspension, and applying at least one of a pigment and a filler slurry to the unfinished fibrous material web between a beginning of the forming system and a position at which the dry matter content of the unfinished fibrous material web is approximately ≦90%.