Patent · US Expired

Apparatus for cleaning a printing cylinder

US4867064A · kind A · utility

14Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1988
Grant dateSep 19, 1989
Priority date
Expiry dateApr 22, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41P2235/246
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A printing cylinder cleaning apparatus for cleaning, for example, a blanket surface on a blanket cylinder of an offset press has a continuous cylinder cleaning cloth stretched between a cleaning cloth supply roll and a cleaning cloth take-up roll which are rotatably mounted on side plates of the frame of a printing machine, whereby the cylinder cleaning cloth being capable of running relative to the outer peripheral surface of a cylinder of the printing machine in contact therewith. The cylinder cleaning cloth is pressed by a suitable pressing member onto the outer peripheral surface of the cylinder of the printing machine. The apparatus further has a cutter which is disposed to cross a common line which is tangent to outer peripheral surfaces of the cleaning cloth supply roll and the cylinder respectively. In case of breakage or tearing of the cloth, the portion caught and stretched by the cylinder is cut by the cutter.

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