Title:
METHOD OF MANUFACTURING INNER FACE RESIN LINING STEEL PIPE HAVING ROLLED THREAD
Document Type and Number:
Japanese Patent JP2010051987
Kind Code:
A
Abstract:
To provide a method of manufacturing an inner face resin lining steel pipe having a rolled thread the lined inner face resin of which is flawless in the screw part.
After heating an end part of the inner face resin lining steel pipe and taking the heating temperature as a temperature at which the inner face resin lining is deformed together with the plastic deformation of the steel pipe caused by working the rolled thread and which is not lower than ((the melting point of the adhesive)-20)C, and not lower than the melting point of the inner face coating resin and not higher than the deterioration temperature of the inner face coating resin, the rolled thread is worked in the end part.
Inventors:
NISHINO KATSUHIKO
MIYATA SHIRO
OTSUKI HIROSHI
MIYATA SHIRO
OTSUKI HIROSHI
Application Number:
JP2008217527A
Publication Date:
March 11, 2010
Filing Date:
August 27, 2008
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
B21H3/02; F16L1/00
Attorney, Agent or Firm:
Kenichiro Ochiai
Kazuhiro Mori
Kazuhiro Mori