Cutting – Tool or tool with support – Cutting couple type
Reexamination Certificate
2008-07-01
2008-07-01
Choi, Stephen (Department: 3724)
Cutting
Tool or tool with support
Cutting couple type
C083S588000, C083S627000, C083S691000
Reexamination Certificate
active
11334815
ABSTRACT:
A rotary punching apparatus includes: an upper rotation plate provided with punching member on which punching blade having a pattern of a specific shape is formed, and an upper jig which support elastically the punching member and forms a guide hole in the same shape as the pattern; an upper plate configured to enable the upper rotation plate to be rotated; a lower rotation plate including lower jig on which a punching hole in the same shape as the pattern is formed; and lower plate configured to enable the lower rotation plate to be rotated.
REFERENCES:
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patent: 854630 (1907-05-01), Cox et al.
patent: 1015356 (1912-01-01), Stone
patent: 1375721 (1921-04-01), Nichols
patent: 3482311 (1969-12-01), Farris
patent: 5495671 (1996-03-01), Shun-Yi
patent: 6672191 (2004-01-01), Lin
patent: 6742431 (2004-06-01), Oh
patent: 6752058 (2004-06-01), Oh
Kim Ok-Hwan
Lee Sang-Ho
Choi Stephen
Daly, Crowley & Mofford & Durkee, LLP
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