Title: Wash-out apparatus for printing machines

Abstract: A flat plate wash out machine especially suitable for joint brushing and solvent action on photopolymer printing plates in which brushing fingers are held by a pliable sheet with distributed pressure means behind the pliable sheet and the solvent is held in a container so that any photopolymer plates can be held substantially vertical during any wash out procedure. Mechanical agitation is achieved by a simple to and fro action of a pneumatic ram and two containers with perhaps differing solvents can be used at the same time with the same pneumatic ram driving.

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Inventors: Blight, Langdon R. (Millswood, AU)

Application Number: 017891
Filing Date: 1979-03-06
Publication_date: 1980-08-26
Assignee: Blight; Alison M. (Millswood, AU)
Primary Class(es): 15/77
Other Classes:
US Patent Ref:

3761984	Oct, 1973	Hauschild	15/77.
4023229	May, 1977	Blight	15/77.
4138755	Feb, 1979	Hashimoto et al.	15/77.
4148108	Apr, 1979	Kamata et al.	15/77.

Other Refs: 146894

Jun, 1952	AU

Primary Examiner: Roberts, Edward L.
Assistant Examiner:
Attorney: Pearne, Gordon, Sessions