JPS5642624A - Device for covering synthetic resin on metal tube - Google Patents

Device for covering synthetic resin on metal tube

Info

Publication number
JPS5642624A
JPS5642624A JP11873379A JP11873379A JPS5642624A JP S5642624 A JPS5642624 A JP S5642624A JP 11873379 A JP11873379 A JP 11873379A JP 11873379 A JP11873379 A JP 11873379A JP S5642624 A JPS5642624 A JP S5642624A
Authority
JP
Japan
Prior art keywords
resin
metal tube
dice
molten resin
stretched
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
JP11873379A
Other languages
Japanese (ja)
Inventor
Moichi Shimizu
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.)
TOYO PLAST SEIKOU KK
TOYO PLASTIC SEIKOU KK
Original Assignee
TOYO PLAST SEIKOU KK
TOYO PLASTIC SEIKOU KK
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 TOYO PLAST SEIKOU KK, TOYO PLASTIC SEIKOU KK filed Critical TOYO PLAST SEIKOU KK
Priority to JP11873379A priority Critical patent/JPS5642624A/en
Publication of JPS5642624A publication Critical patent/JPS5642624A/en
Pending legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To enable a reliable tight adhesion of resin to a metal tube due to the contraction action of the resin proper, by a method wherein, when an inner surface of a molten resin coming out of a molten resin extrusion dice is cooled for curing, the molten resin simultaneously covers the metal tube while the molten resin is cold- stretched.
CONSTITUTION: A metal tube 1, positione at right angles to a molten resin extrusion dice 3 located at the point of an extruder 2 feeding resin, is fed to a drawing device 5 which rotates at a constant drawing speed. A molten resin 6 passes through an outlet of the dice 3, and is cooled from the inside thereof for curing when it passes above a cooling dice 4. It is cold-stretched by the amount of a ratio of a diameter of the cooling dice 4 to a diameter of the metal tube 1, and is drawn by the drawing device 5 in such a state as allows the resin to be adhered tightly to the surface of the metal tube 1. This permits the firm adhesion of the resin to the metal tube by the contraction action of the resin itself.
COPYRIGHT: (C)1981,JPO&Japio
JP11873379A 1979-09-18 1979-09-18 Device for covering synthetic resin on metal tube Pending JPS5642624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11873379A JPS5642624A (en) 1979-09-18 1979-09-18 Device for covering synthetic resin on metal tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11873379A JPS5642624A (en) 1979-09-18 1979-09-18 Device for covering synthetic resin on metal tube

Publications (1)

Publication Number Publication Date
JPS5642624A true JPS5642624A (en) 1981-04-20

Family

ID=14743719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11873379A Pending JPS5642624A (en) 1979-09-18 1979-09-18 Device for covering synthetic resin on metal tube

Country Status (1)

Country Link
JP (1) JPS5642624A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001121615A (en) * 2000-09-25 2001-05-08 Toyo Kohan Co Ltd Method for manufacturing resin-coated metallic plate
EP2746028A1 (en) * 2012-12-18 2014-06-25 Wellstream International Limited Apparatus and method for coating a pipe with extruded polymer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001121615A (en) * 2000-09-25 2001-05-08 Toyo Kohan Co Ltd Method for manufacturing resin-coated metallic plate
EP2746028A1 (en) * 2012-12-18 2014-06-25 Wellstream International Limited Apparatus and method for coating a pipe with extruded polymer

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