Patent ID: 9227392
Filing Date: 2016-01-05
CPC Classification: B41F,B41P,B65G,B65H,G03F

Claim Text:
1. A method of removing slip sheets from a stack of printing plates wherein said slip sheets are interspersed between said printing plates, comprising: moving at least two parallel chains, wherein each of said chains carries a plurality of vacuum cups, over said stack of printing plates; contacting said vacuum cups to a top slip sheet placed on top of said stack of printing plates; applying vacuum to said vacuum cups to attach the top slip sheet to said vacuum cups; peeling said top slip sheet off said vacuum cups while vacuum is maintained by moving said chains with said top slip attached to said vacuum cups away from said stack of printing plates and by a slip sheet separator to separate said top slip sheet from said vacuum cups; and directing said top slip sheet into a slip sheet bin using said slip sheet separator.