JPS57105268A - Preparation of thermoplastic resin coated steel pipe - Google Patents

Preparation of thermoplastic resin coated steel pipe

Info

Publication number
JPS57105268A
JPS57105268A JP18131580A JP18131580A JPS57105268A JP S57105268 A JPS57105268 A JP S57105268A JP 18131580 A JP18131580 A JP 18131580A JP 18131580 A JP18131580 A JP 18131580A JP S57105268 A JPS57105268 A JP S57105268A
Authority
JP
Japan
Prior art keywords
thermoplastic resin
steel pipe
primer
cooling water
coated
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
JP18131580A
Other languages
Japanese (ja)
Inventor
Tadao Kimura
Katsumi Omori
Yoichi Maruyama
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP18131580A priority Critical patent/JPS57105268A/en
Publication of JPS57105268A publication Critical patent/JPS57105268A/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 shorten a production time and enhance production efficiency, in preparing the thermoplastic resin coated steel pipe, by forcedly cooling a primer layer between a coating and curing process of a reaction curable type primer and a thermoplastic coating process.
CONSTITUTION: While a steel pipe 1 subjected to anti-rust treatment is moved to a direction shown by an arrow, an external surface thereof is coated with a reaction curable type primer by a coating machine 2 and, in order to accerelate curing, a primer layer is heated by induction heater to cure the primer in a short time. Next, cooling water is blown onto the primer layer from a cooling water injection pipe 4 to forcedly cool the same in such a degree that wettability with a thermoplastic resin applied in the next process is not lost. In this case, temp. of the steel pipe directly before the thermoplastic resin is applied thereto is measured by a radiation thermometer 6 and, corresponding to the measured value, while a valve 5 is controlled by a flow controller 7 to adjust a cooling water amt. and, after cooling is carried out so as not to lose the above described wettability, the thermoplastic resin is coated on said steel pipe from an extruder 8 and solidified thereon.
COPYRIGHT: (C)1982,JPO&Japio
JP18131580A 1980-12-23 1980-12-23 Preparation of thermoplastic resin coated steel pipe Pending JPS57105268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18131580A JPS57105268A (en) 1980-12-23 1980-12-23 Preparation of thermoplastic resin coated steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18131580A JPS57105268A (en) 1980-12-23 1980-12-23 Preparation of thermoplastic resin coated steel pipe

Publications (1)

Publication Number Publication Date
JPS57105268A true JPS57105268A (en) 1982-06-30

Family

ID=16098524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18131580A Pending JPS57105268A (en) 1980-12-23 1980-12-23 Preparation of thermoplastic resin coated steel pipe

Country Status (1)

Country Link
JP (1) JPS57105268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102481A (en) * 1982-12-06 1984-06-13 Toyo Chem Co Ltd Production of metallic pipe coated with synthetic resin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102481A (en) * 1982-12-06 1984-06-13 Toyo Chem Co Ltd Production of metallic pipe coated with synthetic resin

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