JPS57193316A - Coating method for synthetic resin on metal tube - Google Patents

Coating method for synthetic resin on metal tube

Info

Publication number
JPS57193316A
JPS57193316A JP7808081A JP7808081A JPS57193316A JP S57193316 A JPS57193316 A JP S57193316A JP 7808081 A JP7808081 A JP 7808081A JP 7808081 A JP7808081 A JP 7808081A JP S57193316 A JPS57193316 A JP S57193316A
Authority
JP
Japan
Prior art keywords
tube
resin
synthetic resin
machine
metal tube
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
JP7808081A
Other languages
Japanese (ja)
Inventor
Toshio Kurahashi
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP7808081A priority Critical patent/JPS57193316A/en
Publication of JPS57193316A publication Critical patent/JPS57193316A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/048—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like specially adapted for articles having local protrusions, e.g. tubes having a bead weld
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0065—Heat treatment
    • B29C63/0069—Heat treatment of tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

PURPOSE:To reduce the quantity of synthetic resin to be used by decreasing the temperature of a metal tube when the resin is wound on the tube, winding the resin, then temporarily cooling the resin and again heating, thereby suppressing the reduction in the thickness of the resin on a bead. CONSTITUTION:After a steel tube 1 is heated by a heating machine 2, an adhesive and a synthetic resin are coated on the tube by a T-shaped die 4. Then, the tube is cooled by a cooling machine 5. Further, the tube is reheated by a reheating machine 6 at the next stage, and is again recooled by a cooling machine 7. The thicknes of this produce is suppressed in reduction on a bead as much as possible, and a coating of approximately uniform minimum standard thickness can be formed on the tube.
JP7808081A 1981-05-25 1981-05-25 Coating method for synthetic resin on metal tube Pending JPS57193316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7808081A JPS57193316A (en) 1981-05-25 1981-05-25 Coating method for synthetic resin on metal tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7808081A JPS57193316A (en) 1981-05-25 1981-05-25 Coating method for synthetic resin on metal tube

Publications (1)

Publication Number Publication Date
JPS57193316A true JPS57193316A (en) 1982-11-27

Family

ID=13651860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7808081A Pending JPS57193316A (en) 1981-05-25 1981-05-25 Coating method for synthetic resin on metal tube

Country Status (1)

Country Link
JP (1) JPS57193316A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143565A1 (en) * 2006-06-05 2007-12-13 3M Innovative Properties Company Method for applying a protective layer to a pipe joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143565A1 (en) * 2006-06-05 2007-12-13 3M Innovative Properties Company Method for applying a protective layer to a pipe joint

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