专利名称：Press-forming method and press-forming
apparatus
发明人：Tsuyoshi Nakamura,Naohiro Wakayama申请号：US13524234申请日：20120615公开号：US092484B2公开日：20160202
专利附图：
摘要：A workpiece is press-formed into a press-formed product in a single strokeusing a punch and a die by grasping a first portion of the workpiece by a blank holder at afirst timing in the single stroke, and grasping a second portion of the workpiece which is
different form the first portion by the blank holder at a second timing in the singlestroke which is different from the first timing.
申请人：Tsuyoshi Nakamura,Naohiro Wakayama
地址：Tochigi JP,Tochigi JP
国籍：JP,JP
代理机构：Rankin, Hill & Clark LLP
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