Title:
METHOD FOR MANUFACTURING JOINT PIPE
Document Type and Number:
Japanese Patent JP2018091078
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a joint capable of inexpensively manufacturing a large amount of joints.SOLUTION: A joint 1 is formed by shrinking a pipe base material 20 with a predetermined length in an axial direction L from a tip to form a first joint pipe 2, and shrinking the pipe base material 20 in the axial direction L from a rear end to form a second joint pipe 3.SELECTED DRAWING: Figure 6
Inventors:
SAITO TAKESHI
KARASAWA YOSHINORI
KARASAWA YOSHINORI
Application Number:
JP2016236517A
Publication Date:
June 14, 2018
Filing Date:
December 06, 2016
Export Citation:
Assignee:
CHUO BUILD IND CO LTD
International Classes:
E04G7/20; B21D51/16
Attorney, Agent or Firm:
Takamitsu Shimizu