公开(公告)号：US3799822A

公开(公告)日：1974-03-26

申请号：US18885871

申请日：1971-10-13

Applicant: ARMSTRONG CORK CO

Inventor： LEWICKI W ,  WELK K

IPC: B41N7/00 ,  B29C27/00 ,  B32B31/12

CPC classification number: B41N7/005 ,  B41N2207/02 ,  B41N2207/14

Abstract: A METHOD IS PROVIDED FOR PLACING A POLYURETHANE FOAM COATING ON A METAL SHAFT OF A PRINTING ROLLER. A HOLE IS MELTED IN THE POLYURETHANE FOAM BLOCK, AND THE ROD IS THEN PLACED IN THE HOLE AND ADHESIVELY SECURED TO THE POLYURETHANE. THE STRUCTURE IS THEN REDUCED TO THE REQUIRED DIAMETER TO PROVIDE A PRINTING ROLLER WITH A COMPRESSIBLE COVER OF POLYURETHANE.