Title:
GROOVE STRUCTURE
Document Type and Number:
Japanese Patent JP2020199530
Kind Code:
A
Abstract:
To provide a groove structure which can efficiently and surely perform welding.SOLUTION: A grooving structure 9 forming a weld groove 90 on the whole circumference of a column member 100 when a first member 1 and a second member 2 forming a column member 100 having a corner part are adjacent to each other so as to mutually weld the first member and the second member includes leakage stop parts 15 for preventing leakage of weld metal between a first weld groove 91 on a first outer surface of the column member 100 and a second weld groove 92 on a second outer surface of the column member 100 adjacent to the first outer surface through the corner part, in which the leakage stop parts 15 are formed into partial shapes on the second member 2 side in the first member 1, and the leakage stop parts 15 are provided on both ends in a longitudinal direction of the first weld groove 91 on the first outer surface.SELECTED DRAWING: Figure 2
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Inventors:
MIMURA DAISUKE
MORI MASANORI
YAMAKAWA SHOJI
YONEDA SO
HIRAI KEIICHI
YAMAMOTO KOJI
SUGATA MASAHIRO
MORI MASANORI
YAMAKAWA SHOJI
YONEDA SO
HIRAI KEIICHI
YAMAMOTO KOJI
SUGATA MASAHIRO
Application Number:
JP2019108394A
Publication Date:
December 17, 2020
Filing Date:
June 11, 2019
Export Citation:
Assignee:
TAKENAKA KOMUTEN CO
International Classes:
B23K33/00; B23K9/00
Domestic Patent References:
| JP2019166539A | 2019-10-03 | |||
| JPH11147173A | 1999-06-02 | |||
| JPH06134571A | 1994-05-17 | |||
| JPS58187293A | 1983-11-01 | |||
| JPS4959743A | 1974-06-10 | |||
| JPH01224168A | 1989-09-07 |
Attorney, Agent or Firm:
Tatsuya Saito