Unwinding apparatus for wound rolls

US5316231A · kind A · utility

Assignee

• Jagenberg Aktiengesellschaft · DE

Inventors

• Karl Thievessen · Grevenbroich, DE
• Peter Weiss · Neuss, DE

Key dates

• Filing date: Jan 31, 1992
• Grant date: May 31, 1994
• Expiry date: Jan 31, 2012

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2405/422
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An unwinding device for rolls of paper or cardboard has a pair of stands which are movable toward and away form one another on release by motors which have sprockets engaging nontraveling chains fixed at their ends relative to the rails. The stands have bearing housings displaceable vertically thereon and carrying heads engaging in the roll and vertically shifted by piston-and-cylinder assembly in the plane of the uprights of the stand.