Title:
METHOD FOR FORMING HOLES IN A DIFFICULT-TO-WORK MATERIAL, AND DIFFICULT-TO-WORK MATERIAL HAVING HOLES FORMED BY THE METHOD
Document Type and Number:
WIPO Patent Application WO/2010/150983
Kind Code:
A2
Abstract:
The present invention relates to a method for forming holes in a difficult-to-work material. According to the present invention, provided is a method for forming holes in a difficult-to-work material, comprising: a step of forming a channel on one side of a first difficult-to-work structure; and a step of attaching a second difficult-to-work structure to the side of the first difficult-to-work structure in which the channel is formed. The method of the present invention easily forms holes in the event each hole has a significantly large aspect ratio.
Inventors:
KIM YOUNG JUNG (KR)
KIM JI SOO (KR)
KIM JI SOO (KR)
Application Number:
PCT/KR2010/003294
Publication Date:
December 29, 2010
Filing Date:
May 25, 2010
Export Citation:
Assignee:
MIM CERAMICS CO LTD (KR)
KIM YOUNG JUNG (KR)
KIM JI SOO (KR)
KIM YOUNG JUNG (KR)
KIM JI SOO (KR)
International Classes:
B21D31/00; B23C3/00; B23D79/00; C21D9/00
Foreign References:
| KR100851084B1 | 2008-08-08 | |||
| JP2003326497A | 2003-11-18 | |||
| JP2009507374A | 2009-02-19 |
Attorney, Agent or Firm:
DYNE PATENT & LAW FIRM (KR)
특허법인 다인 (KR)
특허법인 다인 (KR)
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