Title:
DOUBLE STEEL PIPE PILLAR FILLED WITH COLD SETTING MATERIAL
Document Type and Number:
Japanese Patent JPH05287847
Kind Code:
A
Abstract:
PURPOSE: To manufacture a double steel pipe-pillar filled with cold setting material at low cost and with high efficiency.
CONSTITUTION: Plural large diameter steel pipes 1 and plural small-diameter steel pipes 2 are arranged in series respectively and concentrically, and the butt edge part 3 of the large-diameter steel pipe 1 and the butt edge part 4 of the small diameter steel pipe 2 are arranged so that they are deviated from each other along the length of these steel pipes. Then, the ring-shaped clearance between a train of the large-diameter steel pipes 1 and a train of the small- diameter steel pipes 2 is filled with cold setting material 5.
Inventors:
OKIMOTO MASAYUKI
TERASAKI SHIGEKI
KINOSHITA MASATAKA
TERASAKI SHIGEKI
KINOSHITA MASATAKA
Application Number:
JP11849992A
Publication Date:
November 02, 1993
Filing Date:
April 13, 1992
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
E01D19/02; E04B1/30; E04B1/58; E04C3/34; (IPC1-7): E04C3/34; E01D19/02; E04B1/30
Attorney, Agent or Firm:
Minoru Abe