Patent ID: 9708813
Date: 2017-07-18
CPC Classifications: E04C,E04G

Claim:
1. A beam reinforcing metallic material that reinforces a web part and a through hole of a beam, comprising: a contacting surface that contacts with the web part of the beam; a welding surface that is welded to the web part; and a counter-flange-part surface that approximately faces the welding surface and faces the flange part of the beam, wherein the beam reinforcing metallic material has a longitudinal direction that is parallel to a longitudinal direction of the beam when the beam reinforcing metallic material is attached to the beam, the cross-section of a center part of the beam-reinforcing metallic material in the longitudinal direction is larger than the cross-sections of both end parts in the longitudinal direction, a plurality of protrusions that show a direction of the counter-flange-part surface are formed on part of the counter-flange-part surface, the protrusions extend in a direction perpendicular to the longitudinal direction, the welding surface comprises a welded part that is welded to the web part, welding-range specifying part that specifies a range of welding, an angle-varying part, and an other part of the welding surface, and the welding range specifying part is an angle varying-part in which an angle between the welded part and the other part of the welding surface varies.