Uoe steel pipe and structure
AssigneeJfe Steel Corporation
InventorsHisakazu Tajika, Takahiro Sakimoto, Satoshi Igi
Life of this patent
Estimating the term…
Abstract
A UOE steel pipe used to form a structure by performing butt circumferential welding and having an outside diameter shape in a waveform in a longitudinal direction is shaped to have no local minimum of the outside diameter shape in the waveform within a predetermined length from both longitudinal end portions.
Claims11
-6. (canceled)
A UOE steel pipe used to form a structure by performing butt circumferential welding and having an outside diameter shape in a waveform in a longitudinal direction, wherein
- the UOE steel pipe is shaped to have no local minimum of the outside diameter shape in the waveform within a predetermined length from both longitudinal end portions.
A structure formed by performing butt circumferential welding to longitudinal end portions of a UOE steel pipe, the UOE steel pipe having an outside diameter shape in a waveform in a longitudinal direction, and shaped to have no local minimum of the outside diameter shape in the waveform within a predetermined length from both longitudinal end portions.
Dependencies are inferred from the claim text.