Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akiharu Kurebayashi0
Kazushige Hakeda0
Nagamitsu Takashima0
Ryoji Uesugi0
Fujio Akahane0
Date of Patent
April 29, 2008
0Patent Application Number
106476680
Date Filed
August 25, 2003
0Patent Primary Examiner
Patent abstract
A male die is adapted to be opposed to a first face of a metallic plate member. The male die includes a plurality of punches which are provided on the male die and arranged side by side in a first direction with a fixed pitch. A guide member is formed with a guide face which supports a side portion of the male die, at least when the punches are pressed into the plate member in a second direction, to form through holes therein.
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