Patent · US Expired

Apparatus for treating printing plates

US4497081A · kind A · utility

3Cited by

5References

3Claims

0Family size

Assignee

BASF SE

Inventors

Paul Hecke · Ludwigshafen, DE
Arnulf Burger · Ludwigshafen, DE
Heinz-Ulrich Werther · Monsheim, DE

Key dates

Filing date	May 31, 1983
Grant date	Feb 5, 1985
Priority date	—
Expiry date	May 31, 2003

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/305
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A printing plate produced by a photochemical process is treated using an apparatus in which one or more flat washout elements are arranged facing the exposed side of the plate passing through the apparatus, these washout elements moving to and fro at right angles to the direction of transport of the plate and being covered with a long-fibered fabric on the side facing the plate.

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