Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 5, 2007
Patent Application Number
10516316
Date Filed
June 12, 2003
Patent Primary Examiner
Patent abstract
A punch press tool includes a cylindrical punch guide in which a punch body provided with a punch tip for press forming is fit slidably. The punch tip consists of an appropriate number of long forming punch tips each including a press forming portion in the leading end thereof. The punch tip also consists of an appropriate number of clamping punch tips each with a shorter length compared with the forming punch tips. Both of the tips are attached to the punch body detachably and exchangeably.
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