Title:
WELDING STRUCTURE FOR PIPE
Document Type and Number:
Japanese Patent JP3240233
Kind Code:
B2
Abstract:
PURPOSE: To provide a welding structure for a pipe which can normally join pipes having different diameter and can carry out welding by using a stainless steel sleeve, and in which the intrusion of the welding material in welding inside the pipe from a slit is prevented.
CONSTITUTION: In a pipe welding structure for welding the outer periphery of a joint part A of each end part by abutting each end part of a small diameter pipe 3 and a large diameter pipe 1, the diameter of the end part of the small diameter pipe 3 is spread through the beading work, and the outer periphery of the joint part A of each end part is welded by abutting the end part of the small diameter pipe 3 whose diameter is spread and the end part of the large diameter pipe 1.
Inventors:
Yuu Ono
Akio Kurihara
Akio Kurihara
Application Number:
JP32131193A
Publication Date:
December 17, 2001
Filing Date:
November 26, 1993
Export Citation:
Assignee:
SHOWA DENKO K.K.
International Classes:
F16L13/02; B23K9/028; B23K33/00; (IPC1-7): F16L13/02; B23K9/028; B23K33/00
Domestic Patent References:
| JP5910486A |
Attorney, Agent or Firm:
Masayuki Kushibuchi (1 person outside)