公开(公告)号：WO2021046288A1

公开(公告)日：2021-03-11

申请号：PCT/US2020/049316

申请日：2020-09-04

申请人： HARPER CORPORATION OF AMERICA

发明人： HARPER, Ronald, Lee ,  DONATO, Anthony, Gene ,  TEUFLER, Sean, Franklin

IPC分类号： B41F31/26 ,  B05C1/00 ,  B05C1/08 ,  B21B31/08 ,  B41F13/08 ,  B41F31/00 ,  B41N3/00

摘要： A roller for use with a printing apparatus to transfer a liquid to a plate or substrate is provided. The roller, also referred to as a cylinder, has an engraved surface with a linear cell-contained channel engraving pattern. The linear cell-contained channel engraving pattern has a linear channel at a channel engraved angle and a plurality of cells with pockets at a cell pocket positioned angle located within the linear channel. An engraving pattern and method of using the pattern to reduce spitting in printing processes are provided.