专利名称：Device for holding a workpiece in a press发明人：Naoyoshi Sasaki申请号：US06/660017申请日：19841012公开号：US04550585A公开日：19851105
摘要：A sheet metal working press including an upper press member and a lowerpress member which are movable relative to each other to work a sheet of metaltherebetween. One of the press members has a groove formed in the vicinity of aneffective working area defined by the movement of the press members toward eachother. At least one holding block is loosely fitted in the groove. It has at least oneholding surface and a plurality of holes formed in a surface remote from the holdingsurfaces. An elastic member of polyurethane is tightly fitted in each of those holes.
申请人：SASAKI; NAOYOSHI
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