A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REINFORCING BAR AND BENDING PROCESSING DEVICE
To provide a reinforcing bar having a bending processing portion having a rational shape and a bending processing device for bending the reinforcing bar.SOLUTION: Reinforcing bars 1 and 2 have, at their ends, elliptical arc-shaped bending processing portions 11 and 21 whose major axis direction is the direction along the longitudinal direction of reinforcing bar bodies 10 and 20. The end portion of the reinforcing bar 1 is a portion where the reinforcing bar 1 is bent into a hook shape, and the ratio a:b of the major axis a to the minor axis b of the elliptical arc of the bending processing portion 11 is 2:1. The end of the reinforcing bar 2 is a loop portion that connects a pair of parallel reinforcing bar bodies 20 to each other to form one of the loop joints, and the ratio a:b of the major axis a to the minor axis b of the elliptical arc of the bending processing portion 21 is 3:2.SELECTED DRAWING: Figure 1
【課題】合理的な形状の曲げ加工部を有する鉄筋と鉄筋の曲げ加工を行う曲げ加工装置等を提供する。【解決手段】鉄筋１、２は、鉄筋本体１０、２０の長手方向に沿った方向を長軸方向とした楕円円弧状の曲げ加工部１１、２１を、端部に有する。鉄筋１の端部は、鉄筋１がフック状に折り曲げられた部分であり、曲げ加工部１１の楕円円弧の長径ａと短径ｂの比ａ：ｂが２：１である。鉄筋２の端部は、一対の平行な鉄筋本体２０同士を接続し、ループ継手の一方を形成するループ部分であり、曲げ加工部２１の楕円円弧の長径ａと短径ｂの比ａ：ｂが３：２である。【選択図】図１
REINFORCING BAR AND BENDING PROCESSING DEVICE
To provide a reinforcing bar having a bending processing portion having a rational shape and a bending processing device for bending the reinforcing bar.SOLUTION: Reinforcing bars 1 and 2 have, at their ends, elliptical arc-shaped bending processing portions 11 and 21 whose major axis direction is the direction along the longitudinal direction of reinforcing bar bodies 10 and 20. The end portion of the reinforcing bar 1 is a portion where the reinforcing bar 1 is bent into a hook shape, and the ratio a:b of the major axis a to the minor axis b of the elliptical arc of the bending processing portion 11 is 2:1. The end of the reinforcing bar 2 is a loop portion that connects a pair of parallel reinforcing bar bodies 20 to each other to form one of the loop joints, and the ratio a:b of the major axis a to the minor axis b of the elliptical arc of the bending processing portion 21 is 3:2.SELECTED DRAWING: Figure 1
【課題】合理的な形状の曲げ加工部を有する鉄筋と鉄筋の曲げ加工を行う曲げ加工装置等を提供する。【解決手段】鉄筋１、２は、鉄筋本体１０、２０の長手方向に沿った方向を長軸方向とした楕円円弧状の曲げ加工部１１、２１を、端部に有する。鉄筋１の端部は、鉄筋１がフック状に折り曲げられた部分であり、曲げ加工部１１の楕円円弧の長径ａと短径ｂの比ａ：ｂが２：１である。鉄筋２の端部は、一対の平行な鉄筋本体２０同士を接続し、ループ継手の一方を形成するループ部分であり、曲げ加工部２１の楕円円弧の長径ａと短径ｂの比ａ：ｂが３：２である。【選択図】図１
REINFORCING BAR AND BENDING PROCESSING DEVICE
鉄筋および曲げ加工装置
YAMANOBE SHINICHI (author) / SOGABE NAOKI (author) / TAIRA YOHEI (author)
2020-11-26
Patent
Electronic Resource
Japanese
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
/
B21D
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
,
Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs
/
E04G
SCAFFOLDING
,
Baugerüste
| European Patent Office | 2021
| European Patent Office | 2017
| European Patent Office | 2019
Prestress carbon fiber reinforcing, tensioning and bending device
| European Patent Office | 2024