Title:
火花飛散防止ボックス
Document Type and Number:
Japanese Patent JP6713423
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a spark scattering prevention box which can unfailingly prevent scattering of sparks to a surrounding area occurring when, for example, a web and flanges forming an H shaped steel etc. of a building are fused and welded.SOLUTION: The invention relates to a spark scattering prevention box formed by a housing which is attached so as to cover a predetermined portion of an H shaped steel in order to prevent scattering of sparks occurring when the H shaped steel including flanges at both ends of a web and installed in a vertical direction is fused and welded. The housing attached to the H shaped steel includes an opening window part for fusing and welding the flanges of the H shaped steel from the outer side of the housing. Further, the housing includes an opening/closing door which opens or closes the upper side of the housing in order to fuse and weld the web of the H shaped steel in the housing.SELECTED DRAWING: Figure 1
Inventors:
Isao Wada
Application Number:
JP2017013728A
Publication Date:
June 24, 2020
Filing Date:
January 28, 2017
Export Citation:
Assignee:
Wada Electric Co., Ltd.
International Classes:
B23K7/10; B23K9/32; B23K37/00
Domestic Patent References:
| JP59148181U | ||||
| JP2000291883A | ||||
| JP48098514U |
Attorney, Agent or Firm:
Masahiro Kanzaki