Patent · US Expired

Offset printing machine for variable printing sizes with automatic loading and unloading of the printing cylinders

US5142978A · kind A · utility

19Cited by
5References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 23, 1991
Grant dateSep 1, 1992
Priority date
Expiry dateApr 23, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41F31/302
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An offset printing machine is disclosed wherein printing cylinders used for a new run are carried by a carriage into a vicinity of a printing unit of the machine. The printing unit is provided with two lateral movable arms which automatically and successively transfer every printing cylinder from the printing unit onto the carriage and inversely, the new cylinders from the carriage onto the printing unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.