Foley & Lardner, Schwartz, Jeffery, Schwaab, Mack, Blumenthal & Evans
Rollers for a lithographic ink supplying system
 A roller for use in lithography which comprises a surface layer of finely and uniformly mixed ultra-hard material and lipophilic material. The ultra-hard material is preferably tungsten carbide-cobalt and the lipophilic material is preferably aluminum bronze casting, the aluminum bronze casting being mixed with the tungsten carbide-cobalt in the ratio of 25-40% by weight. 
Kabushikikaisha Tokyo Kikai Seisakusho Kubota Ltd.
B B B
B41N B41N B41N
additional inventional additional
Tomoshi Toshiro Makoto Masaharu Yuuji Hisashi
Kawata Kobayashi Hineno Saito Kohara Hiraishi