Apparatus for Treating Cylindrical Workpieces

Author:  Robert L. Daffron
Source:  US Patent 3,604,158
Doc ID:  1969043
Year of Publication:  1969
Abstract:  
In order to provide for the complete surface treatment of cylindrical workpieces a surface-treating machine is provided with a roll cluster including a feed roll and guide rolls extending through a treatment chamber. The feed roll has a screw flight having a pitch a little greater than the length of a workpiece and workpieces are deposited in one pitch length of the screw flight by a contoured portion in one of the guide rolls.