Title:
REINFORCING BAR COUPLER
Document Type and Number:
WIPO Patent Application WO/2021/210815
Kind Code:
A1
Abstract:
A reinforcing bar coupler according to the present invention comprises a first coupler and a second coupler, which are integrally coupled by friction welding while the end portions of a pair of reinforcing bars are accommodated therein, and which are confined in contact with each other by means of screw coupling so that the pair of reinforcing bars are connected in a straight line, wherein each of the first coupler and the second coupler has, on one side thereof, an accommodation space that is recessed so as to accommodate one end portion of the reinforcing bar, and a catching groove, which has the largest inner diameter inside the accommodation space so as to accommodate molten metal formed by dissolving a part of the first coupler, the second coupler and the reinforcing bars, and which catches and restrains the solidified molten metal so as to prevent same from flowing out in the longitudinal direction of the reinforcing bar.
Inventors:
KI EUN KWAN (KR)
Application Number:
PCT/KR2021/004046
Publication Date:
October 21, 2021
Filing Date:
April 01, 2021
Export Citation:
Assignee:
KI EUN KWAN (KR)
International Classes:
E04C5/16; F16B7/18
Foreign References:
| KR20190040393A | 2019-04-18 | |||
| KR20150029505A | 2015-03-18 | |||
| JPH0868159A | 1996-03-12 | |||
| US20090180828A1 | 2009-07-16 | |||
| CN209585432U | 2019-11-05 |
Attorney, Agent or Firm:
JEONG, Ju Seok (KR)
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