Shearing device
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United States of America Patent
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-
May 1, 2012
Grant Date -
Jun 28, 2007
app pub date -
Mar 17, 2005
filing date -
Apr 9, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a shearing device (10), a plate-like work piece (50) is seated on a die (20) positioned on a lower side thereof is clamped by a pad (30), so that a predetermined portion of the work piece (50) is processed into a predetermined shape by a punch positioned on an upper side thereof. The punch (40) integrally has a heel portion (41). The heel portion is so as to broadly contact an outer peripheral face (51) of the predetermined portion to be processed of the work piece (50), thereby restraining the outer peripheral face (51) from moving in an outward direction perpendicular to a thickness direction.
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