US 12,012,757 B2
Tie hoop untying prevention device
Yong Ju Kim, Seongnam-si (KR); and Gyeong Eon Park, Gyeryong-si (KR)
Appl. No. 17/797,105
Filed by Yong Ju Kim, Seongnam-si (KR); and Gyeong Eon Park, Gyeryong-si (KR)
PCT Filed Jan. 7, 2021, PCT No. PCT/KR2021/000162
§ 371(c)(1), (2) Date Dec. 12, 2022,
PCT Pub. No. WO2021/167244, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 10-2020-0018744 (KR), filed on Feb. 17, 2020.
Prior Publication US 2023/0220670 A1, Jul. 13, 2023
Int. Cl. E04C 5/16 (2006.01); E04C 5/06 (2006.01)
CPC E04C 5/163 (2013.01) [E04C 5/0604 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A band reinforcing bar loosening prevention device provided in a band reinforcing bar installed on a main bar to delay a buckling of the main bar to prevent the band reinforcing bar from loosening,
wherein the band reinforcing bar loosening prevention device comprises,
a body portion that is provided in a form of surrounding an outer side surface, and upper and lower surfaces of the band reinforcing bar and that is coupled to the band reinforcing bar;
a pair of extension portions that are provided respectively at both ends of the body portion and that are formed in different directions;
a separation prevention portion that is provided respectively on both sides of the body portion to prevent the band reinforcing bar from being separated, and
a constraint portion that is provided at each corner of the body portion and prevents vertical and outward movements when combined with the band reinforcing bar.