Title:
METHOD AND DEVICE FOR DISCHARGING SCRAP
Document Type and Number:
Japanese Patent JP2007021540
Kind Code:
A
Abstract:
To prevent a scrap from staying on a shooter and consistently discharge them.
In the case of making a hole in a work W by a pierce punch 1 and a die 3, a recessed part 1a is formed in the edge surface of the pierce punch 1, which is opposite to the work W, and a scrap working punch 7 is set in the die 3 side, which works a scrap S, produced at the time of making the hole, into a cup-shape between the recessed part 1a and the punch 7.
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Inventors:
YOSHIZAWA AKINORI
Application Number:
JP2005207655A
Publication Date:
February 01, 2007
Filing Date:
July 15, 2005
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B21D45/00; B21D22/02; B21D28/00; B21D28/34
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
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