Method for washing and rinsing of used lithographic plate member

Details Method for washing and rinsing of used lithographic plate member Method for washing and rinsing of used lithographic plate member

1988-01-05

1990-01-16

Pal, Asok

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 251, 134 254, 134 26, 134 27, 134 38, 134 39, 134 40, 134 41, B08B 308, B08B 310

Patent

active

048940950

ABSTRACT:
An apparatus and method for facilitated automatic washing and rinsing of previously used lithographic plate members having substantially flat central portions and pre-formed parallel flanged peripheral edges which comprises removing one or more used plates from a press plate drum, placing the plate on a feed fixture, longitudinally propelling the plate member, applying one or more cleaning solvents to the surface of the plates, scrubbing the surfaces of the plates, rinsing the surfaces thereof with one or more solvents, removing of excess rinse liquids from the surfaces of the plates, sealing the surfaces with a water soluble preserving substance and storing of the plate members until reuse thereof, while accommodating and preserving the peripheral pre-formed flanges of the lithographic plates as they pass through the apparatus, and recycling the cleaning solvent.

REFERENCES:
patent: 580312 (1897-04-01), Harris
patent: 1072902 (1913-09-01), Benedict
patent: 1633216 (1927-06-01), Lakeman
patent: 2726414 (1955-12-01), Lindquist
patent: 2926371 (1960-03-01), Swindler
patent: 3382520 (1968-05-01), Savart
patent: 3479852 (1969-11-01), Conrad et al.
patent: 3682079 (1972-08-01), Casson, Jr.
patent: 4034433 (1977-07-01), Slingsby
patent: 4383751 (1983-05-01), Schornig et al.
patent: 4464035 (1984-08-01), Schoering

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