Title:
TUBE MEMBER HAVING EXCELLENT LOCAL BENDABILITY, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/251695
Kind Code:
A1
Abstract:
The present invention relates to: a tube member having excellent local bendability, wherein bending only occurs freely in a specific area of a tube member at a working temperature, and thus, a user can adjust the bending angle of the tube member in various ways; and a method for manufacturing same. According to one aspect of the present invention, provided is a tube member having excellent local bendability, wherein the tube member is an alloy tube member including a first area and a second area which have different alloy structures. According to one embodiment of the present invention, the first area is in a cold worked condition or has an austenitic phase at a predetermined working temperature, the second area has a martensitic phase at the working temperature, and the yield stress of the second area may have a lower value than the yield stress of the first area.
Inventors:
CHUN HAN YONG (KR)
JEE KWANG KOO (KR)
KIM CHUN WOO (KR)
JEE KWANG KOO (KR)
KIM CHUN WOO (KR)
Application Number:
PCT/KR2021/007035
Publication Date:
December 16, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
MEDICARETEC CO LTD (KR)
International Classes:
A61B17/34; A61B1/005; A61B17/00; A61B17/24; A61L29/02; A61L29/14
Foreign References:
| KR101535520B1 | 2015-07-09 | |||
| KR20180077244A | 2018-07-06 | |||
| JP2007289394A | 2007-11-08 | |||
| US20080194994A1 | 2008-08-14 | |||
| KR100618932B1 | 2006-09-04 |
Attorney, Agent or Firm:
POLARIS INTERNATIONAL PATENT & LAW FIRM (KR)
Download PDF: