Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wan-Young Oh0
Date of Patent
April 10, 2007
0Patent Application Number
108875260
Date Filed
July 7, 2004
0Patent Primary Examiner
Patent abstract
A punch includes a jig having four punching regions, each punching region having a pattern hole and a concave embossment; guide columns extended upward from a border of the punching regions on the jig; a base for fixing the jig; a punching member punching and embossing the rectangular corner of a sheet member with vertically moving against the jig by guidance of the guide columns; and an elastic body to elastically bias the punching member upward.
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