Title:
MANUFACTURING METHOD OF MOLD AND DRAWN CAN
Document Type and Number:
Japanese Patent JP2017104905
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a mold used for forming a blank for drawing processing by punching a metal plate, which is a mold in which advance of peeling of a surface treatment film is suppressed effectively.SOLUTION: There is provided a mold used for forming a blank for drawing processing by punching a metal plate. In the mold including a top surface having a contact with the metal plate, and a peripheral end face which is discontinuous to the top surface, at least the top surface is coated with a surface treatment film.SELECTED DRAWING: Figure 2
Inventors:
SHIROISHI RYOZO
TAKAO KENICHI
KUMAGAI TAKUHO
TAKAO KENICHI
KUMAGAI TAKUHO
Application Number:
JP2016226760A
Publication Date:
June 15, 2017
Filing Date:
November 22, 2016
Export Citation:
Assignee:
TOYO SEIKAN GROUP HOLDINGS LTD
International Classes:
B21D37/20; B21D24/00; B21D28/00; B21D28/14; B21D37/01; B21D51/26
Domestic Patent References:
| JP2003094121A | 2003-04-02 | |||
| JP2004001034A | 2004-01-08 | |||
| JPH0890092A | 1996-04-09 | |||
| JP2012101257A | 2012-05-31 | |||
| JPH05138260A | 1993-06-01 | |||
| JP2000167625A | 2000-06-20 |
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki
Sayaka Hirakawa
Sachiko Okunuki
Sayaka Hirakawa
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