Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 26, 2008
Patent Application Number
11136313
Date Filed
May 24, 2005
Patent Primary Examiner
Patent abstract
An upper mold member 32 having an upstream upper punch 32a, an upper recess portion 32b and a downstream upper punch 32c that are serially arranged, from a feed upstream side of a sheet material W and a lower mold member 24 having an upstream lower punch 24a, a lower recess portion 24b and a downstream lower punch 24c that are serially arranged from the feed upstream side of the sheet material W are caused to displace towards a feed downstream side of the sheet material W while the upper mold member 32 and the lower mold member 24 sandwich the sheet material W between them. The productivity of a press apparatus can be improved and the cost can be reduced.
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