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公开(公告)号：US3604158A
公开(公告)日：1971-09-14
申请号：US3604158D
申请日：1969-02-11
Applicant: WHEELABRATOR CORP
Inventor： DAFFRON ROBERT L
CPC classification number: B24C3/085
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.
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