Japan, Sept. 18 -- FUJIMORI SANGYO KK,TOKYU CONSTRUCTION CO LTD has got intellectual property rights for 'SHOTCRETE CAPTURE MEMBER FOR TUNNEL CONSTRUCTION.' Other related details are as follows:
Application Number: JP,2022-118634
Category (FI): E21D11/10@D
Stage: PROBLEM TO BE SOLVED: To quickly integrate a ground excavation surface and an arch support during tunnel construction.SOLUTION: A shotcrete capture member 10 is provided in a gap 5 between an earth excavation surface 2a of a tunnel 1 and an outer peripheral surface 3a of an arch support 3. A capture body 11 of the shotcrete capture member 10 is composed of linear members 11a distributed in the circumferential direction along the outer peripheral surface 3a of the arch support 3 and in the radial direction perpendicular to the outer peripheral surface 3a, and prevents concrete 2A from passing through during spraying.SELECTED DRAWING: Figure 4 (Grant)
Filing Date: July 26, 2022
Publication Date: Feb. 7, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
