Patent · US Expired

Erasable printing plate having a smooth pore free metallic surface

US5816161A · kind A · utility

15Cited by

10References

5Claims

0Family size

Assignee

MAN Roland Druckmaschinen AG · DE

Inventors

Barbara Nussel · Rochester, US
Hartmut Fuhrmann · Bobingen, DE
Horst Dauer · Rohrbach, DE
Josef Gottling · Friedberg, DE

Key dates

Filing date	Jul 14, 1997
Grant date	Oct 6, 1998
Priority date	—
Expiry date	Jul 14, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41P2227/70
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A printing plate which can be repeatedly directly provided with an image and erased and is suitable for a wet offset printing method. The printing plate has a smooth and pore-free surface which is hydrophilic or can be hydrophilized after being provided with an image. The printing plate contains no strong microdipoles and consists of a ceramic, a glass or a metal, in particular of a metal alloy. An erasing and hydrophilizing apparatus preferably integrated in the printing press, repeatedly erases and prepares, i.e. rehydrophilizes, the printing plate for a further image-providing and printing process.

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