Calender

US4534829A · kind A · utility

Assignee

• Eduard Kusters · DE

Inventors

• Karl-Heinz Ahrweiler · Willich, DE
• Helmut Anstotz · Tönisvorst, DE
• Werner Hartmann · Hamburg, DE

Key dates

• Filing date: Jan 19, 1983
• Grant date: Aug 13, 1985
• Expiry date: Jan 19, 2003

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D21G1/00
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A supercalender at the output of a paper machine includes two pairs of zone-wise deflection-controlled rollers. Each pair has a hard surface roller and a soft roller with an elastic outer layer or covering having a minimum hardness of 85.degree. Shore D. The hard rollers are disposed on one side and the soft rollers on the other side of the travel path of the paper.