Title:
【発明の名称】船舶におけるロンジ貫通部構造
Document Type and Number:
Japanese Patent JPH07100467
Kind Code:
B2
Abstract:
PURPOSE:To provide a longitudinal through part structure wherein conventionally required stiffener and back bracket can be eliminated so that the stiffener of a large frame and a bulkhead can be arranged in a horizontal direction with substantial reduction possible of labor hours in a jobsite, by improving shape of a slot opened to a location, where a longidudinal passes through the large frame, bulkhead, etc., to contrive relaxation of stress in this hole edge part. CONSTITUTION:In the case that a longitudinal L formed of a web 1 and a face plate 2 passes through, for instance, a large frame 4, a slot 5 is opened to the large frame 4 so as to surround the face plate 2. Here, at least a slot hole edge part C toward a side of the web 1 from the vicinity of a level of the face plate 2 is formed in a slot hole edge 5a of almost elliptic shape, such as providing its major axis P in a direction almost parallel to the web 1, to constitute a longitudinal through part structure in the large frame 4. In this way, stress concentration in the hole edge part of the slot is relaxed.
Inventors:
Okada Setsuhiro
Shinichi Nakamura
Shinichi Nakamura
Application Number:
JP1110392A
Publication Date:
November 01, 1995
Filing Date:
January 24, 1992
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B63B3/28; B63B3/26; B63B3/34; (IPC1-7): B63B3/34
Domestic Patent References:
| JP60117445U |
Attorney, Agent or Firm:
Yoshihiro Tsunoda