Method and apparatus for wrapping printed sheets

US4683708A · kind A · utility

Assignee

• Grapha-Holding AG · CH

Inventor

• Heinz Linder · Zofingen, CH

Key dates

• Filing date: Feb 25, 1986
• Grant date: Aug 4, 1987
• Expiry date: Feb 25, 2006

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H33/12
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Partially overlapping printed sheets which are transported from an inserting or other producing or processing machine are delivered into a stacking unit which accumulates groups of overlapping sheets and dumps such groups into an intermittently operated wrapping unit wherein the groups are confined in plastic foils. The sheets which are intercepted during evacuation of a freshly formed group from the stacking unit are diverted into an accumulating unit which gathers the diverted sheets into piles and dumps the piles into a magazine for packing or for admission into one or more additional wrapping units.