Metal deforming – With cutting – By shearing tool-couple
Reexamination Certificate
2003-09-30
2009-02-17
Ross, Dana (Department: 3725)
Metal deforming
With cutting
By shearing tool-couple
C072S386000, C029S414000
Reexamination Certificate
active
07490501
ABSTRACT:
A method is provided for processing a product formed by a punch press. The method includes leaving a micro joint connecting a workpiece to a raw material forming the product when forming a slit in the workpiece along an outer shape of the raw material. The method also includes forming the product by bending a bending process portion downward on the basis of a cooperation of an upper metal mold and a lower metal mold. The method further includes dropping the product by separating the connection between the product and the workpiece by the micro joint.
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English Language abstract of JP 8-323428.
English Language abstract of JP 2000-24716.
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English Language abstract of JP 5-317990.
English Language abstract of JP 2000-153321.
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Amada Company Limited
Greenblum & Bernstein P.L.C.
Ross Dana
Sullivan Debra M
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