JPS5712608A - Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe - Google Patents

Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe

Info

Publication number
JPS5712608A
JPS5712608A JP8715180A JP8715180A JPS5712608A JP S5712608 A JPS5712608 A JP S5712608A JP 8715180 A JP8715180 A JP 8715180A JP 8715180 A JP8715180 A JP 8715180A JP S5712608 A JPS5712608 A JP S5712608A
Authority
JP
Japan
Prior art keywords
steel pipe
coated
fusion
plastic
loop
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
JP8715180A
Other languages
Japanese (ja)
Inventor
Masakazu Naruse
Ryoji Endo
Ryoji Saito
Koichi Kaida
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 JP8715180A priority Critical patent/JPS5712608A/en
Publication of JPS5712608A publication Critical patent/JPS5712608A/en
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

PURPOSE: To fusion-cut a plastic film coated on a steel pipe without injuring the steel pipe by a method wherein a plastic-coated steel pipe having the coated film to be fusion-cut is inserted in a looped sheathed heater which is capable of being contracted and expanded in diameter, and extended end parts of the loop of the sheathed heater are pulled to the left and the right respectively.
CONSTITUTION: Brackets 13a are projected from inside surfaces on both sides of a lower part of a support frame 11a at a central part of a frame 11 of a truck 10. A pair of left and right rotatable levers 13 are supported by the brackets 13 through pins. By holding the extended end parts 12a of the loop of the sheathed heater 12 with the tip parts of the rotatable levers 13 and then rotating the levers 13 so as to pull the extended end parts 12a of the heater 12 to the left and the right respectively, the loop is elastically contracted in diameter, whereby the coated plastic film on the steel pipe 1 being conveyed is fusion-cut.
COPYRIGHT: (C)1982,JPO&Japio
JP8715180A 1980-06-26 1980-06-26 Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe Pending JPS5712608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8715180A JPS5712608A (en) 1980-06-26 1980-06-26 Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8715180A JPS5712608A (en) 1980-06-26 1980-06-26 Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe

Publications (1)

Publication Number Publication Date
JPS5712608A true JPS5712608A (en) 1982-01-22

Family

ID=13906972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8715180A Pending JPS5712608A (en) 1980-06-26 1980-06-26 Method and apparatus for fusion-cutting of coated film of plastic-coated steel pipe

Country Status (1)

Country Link
JP (1) JPS5712608A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112141390A (en) * 2020-09-25 2020-12-29 梅梓彬 Film winding and cutting device for water and electricity fine water delivery pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112141390A (en) * 2020-09-25 2020-12-29 梅梓彬 Film winding and cutting device for water and electricity fine water delivery pipe

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