Title:
ELBOW-TYPE DUCT MANUFACTURING EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2021/045471
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an elbow-type duct manufacturing equipment in which a duct vane forming unit has a structure that is detachable upward and downward, thus facilitating the height control of a forming section.
Inventors:
NOH SUNG KEUN (KR)
Application Number:
PCT/KR2020/011678
Publication Date:
March 11, 2021
Filing Date:
September 01, 2020
Export Citation:
Assignee:
NOH SUNG KEUN (KR)
International Classes:
B21C37/12
Foreign References:
| KR101616041B1 | 2016-04-28 | |||
| US20050028337A1 | 2005-02-10 | |||
| KR20190003103A | 2019-01-09 | |||
| US20070251285A1 | 2007-11-01 | |||
| KR20060093795A | 2006-08-25 | |||
| KR101616041B1 | 2016-04-28 |
Other References:
See also references of EP 3842161A4
Attorney, Agent or Firm:
STYP PATENT LAW FIRM (KR)
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