JPS55120420A - Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy - Google Patents

Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy

Info

Publication number
JPS55120420A
JPS55120420A JP2805379A JP2805379A JPS55120420A JP S55120420 A JPS55120420 A JP S55120420A JP 2805379 A JP2805379 A JP 2805379A JP 2805379 A JP2805379 A JP 2805379A JP S55120420 A JPS55120420 A JP S55120420A
Authority
JP
Japan
Prior art keywords
pipe
melting point
coating material
low melting
diameter electric
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.)
Granted
Application number
JP2805379A
Other languages
Japanese (ja)
Other versions
JPS6219923B2 (en
Inventor
Masayoshi Usui
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.)
Usui Kokusai Sangyo Kaisha Ltd
Original Assignee
Usui Kokusai Sangyo Kaisha 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 Usui Kokusai Sangyo Kaisha Ltd filed Critical Usui Kokusai Sangyo Kaisha Ltd
Priority to JP2805379A priority Critical patent/JPS55120420A/en
Publication of JPS55120420A publication Critical patent/JPS55120420A/en
Publication of JPS6219923B2 publication Critical patent/JPS6219923B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To manufacture titled thin diameter electric welded steel pipe being coated with uniformly molten and spread coating material, by continuously feeding the low melting point coating material to the rough surface formed on the side of the steel strip to be the inner surface of the pipe, by forming this steel strip into the seam pipe, and by heating this seam pipe in the nonoxidizing atmosphere.
CONSTITUTION: The rough surface is formed RO on the side of the thin steel strip 1, to be the inner surface of the pipe, and the steel strip 1 is sent to the process I, in which the open seam pipe 2 is formed so as to internally hold the linear type low melting point coating material (m) like as tin, etc. This pipe 2 is sent to the process II, where both side edges 1a, 1a, are pressure welded (w) by the electrode roll ER and the pressure welding roll R2, and the seam pipe 3 is formed, which is then sent to the process III. The pipe 3 is passed the heater holding the nonoxidizing atmosphere and is heated to the melting point of the coating material (m) so as to fluidize the coating material (m); hereby, the entire inner surface of the pipe 3 is coated (p), and the seam pipe 4, that is the aim thin diameter electric welded steel pipe, is manufactured.
COPYRIGHT: (C)1980,JPO&Japio
JP2805379A 1979-03-10 1979-03-10 Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy Granted JPS55120420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2805379A JPS55120420A (en) 1979-03-10 1979-03-10 Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2805379A JPS55120420A (en) 1979-03-10 1979-03-10 Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy

Publications (2)

Publication Number Publication Date
JPS55120420A true JPS55120420A (en) 1980-09-16
JPS6219923B2 JPS6219923B2 (en) 1987-05-01

Family

ID=12238005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2805379A Granted JPS55120420A (en) 1979-03-10 1979-03-10 Manufacture of thin diameter electric welded steel pipe with inner surface coated with low melting point metal or its group alloy

Country Status (1)

Country Link
JP (1) JPS55120420A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3350933B2 (en) * 1995-02-23 2002-11-25 トヨタ自動車株式会社 Mash seam welding method and mash seam welding device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928570A (en) * 1972-07-14 1974-03-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928570A (en) * 1972-07-14 1974-03-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3350933B2 (en) * 1995-02-23 2002-11-25 トヨタ自動車株式会社 Mash seam welding method and mash seam welding device

Also Published As

Publication number Publication date
JPS6219923B2 (en) 1987-05-01

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