Title:
加工板材の製造方法
Document Type and Number:
Japanese Patent JP6843424
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a processed plate material that resolves a problem with an existing mechanical punching method using a punch and manufactures the processed plate material where a hole having a desired shape such as a complicated shape is accurately formed.SOLUTION: A method for manufacturing a processed plate material forms a through-hole having a prescribed-shape in a metal thin sheet having a thickness of 0.2 mm or less. The method for manufacturing the processed plate material includes an application step of providing the metal thin sheet between an electromagnetic coil and a die and applying a prescribed current thereto. In the application step, a compression thin sheet is laminated on the metal thin sheet.SELECTED DRAWING: Figure 1
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| WO/1996/020664 | A METHOD AND APPARATUS FOR PERFORATING A WEB OF MATERIAL |
| JPS5344983 | CUTTER FOR ARTIFICIAL SUTURE |
Inventors:
Keigo Okakawa
Masaki Ishibashi
Hiroi Torumaro
Makoto Sakamoto
Masaki Ishibashi
Hiroi Torumaro
Makoto Sakamoto
Application Number:
JP2016188786A
Publication Date:
March 17, 2021
Filing Date:
September 27, 2016
Export Citation:
Assignee:
Tokyo Public University Corporation
International Classes:
B26F1/26; B21D28/20; B30B1/42
Domestic Patent References:
| JP2009255139A | ||||
| JP61292397A | ||||
| JP3251396A | ||||
| JP2008078594A |
Foreign References:
| US20090090162 | ||||
| DE102010062978A1 | ||||
| US20030221468 |
Attorney, Agent or Firm:
Yuichiro Matsuyama