JPS55133925A - Method of applying resin to inner surface of metal pipe - Google Patents

Method of applying resin to inner surface of metal pipe

Info

Publication number
JPS55133925A
JPS55133925A JP4214179A JP4214179A JPS55133925A JP S55133925 A JPS55133925 A JP S55133925A JP 4214179 A JP4214179 A JP 4214179A JP 4214179 A JP4214179 A JP 4214179A JP S55133925 A JPS55133925 A JP S55133925A
Authority
JP
Japan
Prior art keywords
metal pipe
resin
supplied
molten
resin film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4214179A
Other languages
Japanese (ja)
Inventor
Katsuhiko Tanioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP4214179A priority Critical patent/JPS55133925A/en
Publication of JPS55133925A publication Critical patent/JPS55133925A/en
Pending legal-status Critical Current

Links

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain a metal pipe which has at an inner surface thereof a resin film formed in a uniform thickness without pinhole, by a method wherein a metal pipe is rotated while plasticized molten resin is supplied, and the resin is filmed on an inner surface of the metal pipe by a centrifugal force for cooling and hardening thereat.
CONSTITUTION: A filming resin is enoughly plasticized and molten by an injection- molder, and a given amount of the resin is supplied into a metal pipe such as steel pipes. A nozzle of the injection-molder is formed in the shape of a long cylinder where a large number of resin jetting holes are provided in a circumferential wall thereof. It is desirable that the resin is supplied in such a manner as blows the molten resin against the inner surface of the metal pipe through the said jetting holes. The metal pipe is rotated at high speed after or before the molten resin is supplied. The molten resin forms a resin film evenly along the inner wall of the metal pipe by a centrifugal force produced due to the rotation of the metal pipe. After the resin film is formed on the inner surface of the metal pipe in the manner described above, the resin film is cooled for hardening.
COPYRIGHT: (C)1980,JPO&Japio
JP4214179A 1979-04-06 1979-04-06 Method of applying resin to inner surface of metal pipe Pending JPS55133925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4214179A JPS55133925A (en) 1979-04-06 1979-04-06 Method of applying resin to inner surface of metal pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4214179A JPS55133925A (en) 1979-04-06 1979-04-06 Method of applying resin to inner surface of metal pipe

Publications (1)

Publication Number Publication Date
JPS55133925A true JPS55133925A (en) 1980-10-18

Family

ID=12627655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4214179A Pending JPS55133925A (en) 1979-04-06 1979-04-06 Method of applying resin to inner surface of metal pipe

Country Status (1)

Country Link
JP (1) JPS55133925A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223181A (en) * 1975-08-14 1977-02-21 Konyoushiya Kk Method of rubber lining inner surface of metal tube by centrifugal molding
JPS53132046A (en) * 1977-04-22 1978-11-17 Daiichi Koshuha Kogyo Kk Method and apparatus for lining resin to inner surface of metal pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223181A (en) * 1975-08-14 1977-02-21 Konyoushiya Kk Method of rubber lining inner surface of metal tube by centrifugal molding
JPS53132046A (en) * 1977-04-22 1978-11-17 Daiichi Koshuha Kogyo Kk Method and apparatus for lining resin to inner surface of metal pipe

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