Device for treating printing plates with a fluid

US4678310A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Hans Heist · Wiesbaden, DE
• Dieter Toepfer · Nastätten, DE
• Sylvia Britzke · Wiesbaden, DE

Key dates

• Filing date: Oct 4, 1985
• Grant date: Jul 7, 1987
• Expiry date: Oct 4, 2005

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/3042
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A device for treating printing plates with a fluid. A flooded trough has a bottom, two lateral boundary walls and containment blades, one blade located on each of the inlet and outlet sides of the trough. The bottom carries a plate guide surrounded by a rectangular overflow channel integral with the bottom. Feed branches are releasably inserted into holder pipes leading from the overflow channel to a feed line having a T-branch. The feed line is connected via a pump to a tank, the latter used as a stock vessel for the fluid. The holder pipes are taken through an inclined bottom of a collecting trough which surrounds the flooded trough, and are rigidly joined to the inclined bottom. Baffles are provided in the overflow channel above the inlet openings of the feed branches. The fluid flows into the flooded trough through the feed line, and flows out by overflow into the collecting trough, then to the stock vessel, and thereafter is recirculated by the pump.