Title:
WELDING METHOD OF BUILT IN DIAPHRAGM OF SQUARE STEEL TUBE COLUMN
Document Type and Number:
Japanese Patent JPH0663738
Kind Code:
A
Abstract:
PURPOSE: To execute the first welding of a diaphragm as it is in horizontal position without rotating a column material and erecting it to vertical direction.
CONSTITUTION: At the welding method that the built in diaphragm, which is fixed inside a square tube having box cross section, is welded to join on skin plates constituting the peripheral, three skin plates 1, 3, 2 are assembled to U shape cross section, inserting the diaphragm 5 therein, weld lines 6, 6' of the diaphragm, consisting of vertical two sides facing each other, are welded vertically from lower side to upper side.
Inventors:
NAKAJIMA MATSUSHIGE
NORINAGA TADASUKE
MIYAWAKI SHIGEMI
NORINAGA TADASUKE
MIYAWAKI SHIGEMI
Application Number:
JP21890292A
Publication Date:
March 08, 1994
Filing Date:
August 18, 1992
Export Citation:
Assignee:
KAWATETSU METAL FUABURIKA KK
International Classes:
B23K9/00; B23K9/02; B23K9/173; B23K25/00; E04C3/32; (IPC1-7): B23K9/00; B23K9/02; B23K9/173; B23K25/00; E04C3/32
Attorney, Agent or Firm:
Eiichi Kobayashi