Title:
溶接構造体
Document Type and Number:
Japanese Patent JP5078184
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a welded structure which stops propagation of a brittle crack, and is structured to stop the propagation of the brittle crack by simple work without using a high-cost arrestor material high in alloy before resulting in large-scale breakage even when the brittle crack should occur.SOLUTION: The welded structure includes a joining plate 2 which is formed by jointing two metal plates 2a to each other by welding, and a joining object plate 4 which is joined to the joining plate 2 by welding, wherein the welded joint part 6 between the two metal plates 2a faces to the joining object plate 4 and extends to the vicinity of the joining position between the joining plate 2 and the joining object plate 4. The welded structure is composed such that the welded joint part 6 does not contact the joining object plate 4 in the direction that the welded joint part 6 faces to the joining object plate 4, and no welding part which joints the joining plate 2 to the joining object plate 4 exists between the welded joint part 6 and the joining object plate 4.
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Inventors:
Toyoda Masanobu
Okada Tetsuo
Takahito Yokura
Yoshiyuki Nakajima
Koji Noboru
Okada Tetsuo
Takahito Yokura
Yoshiyuki Nakajima
Koji Noboru
Application Number:
JP2011232079A
Publication Date:
November 21, 2012
Filing Date:
October 21, 2011
Export Citation:
Assignee:
IHI Co., Ltd. Marine United
Ihi Co., Ltd.
Ihi Co., Ltd.
International Classes:
B23K31/00; B23K9/00; B23K9/173; B63B3/00; B63B9/00
Domestic Patent References:
| JP2005145353A | ||||
| JP2229671A |
Attorney, Agent or Firm:
Minoru Hotta