Title:
STEEL BENT TUBE
Document Type and Number:
Japanese Patent JP2001271981
Kind Code:
A
Abstract:
To improve earthquake resistance of a bent tube.
This tube 1 is characterized in that the wall thickness near the neutral part of a central section 2 is locally made larger than the wall thickness of the other part.
Inventors:
YOSHIKAWA MASAKI
KATO AKIHIKO
ONO YOSHIMI
KATO AKIHIKO
ONO YOSHIMI
Application Number:
JP2000087727A
Publication Date:
October 05, 2001
Filing Date:
March 28, 2000
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
F16L43/00; B21D51/16; (IPC1-7): F16L43/00; B21D51/16
Attorney, Agent or Firm:
Shigeru Takano