JPS56109112A - Remover for internal bead of welded pipe - Google Patents

Remover for internal bead of welded pipe

Info

Publication number
JPS56109112A
JPS56109112A JP1001780A JP1001780A JPS56109112A JP S56109112 A JPS56109112 A JP S56109112A JP 1001780 A JP1001780 A JP 1001780A JP 1001780 A JP1001780 A JP 1001780A JP S56109112 A JPS56109112 A JP S56109112A
Authority
JP
Japan
Prior art keywords
roll
pipe
welded
mandrel
welded pipe
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
JP1001780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643572B2 (enrdf_load_html_response
Inventor
Koichi Kawatani
Keiji Minami
Takeo Kitaoka
Nobuyoshi Rokushiya
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel Co 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP1001780A priority Critical patent/JPS56109112A/ja
Publication of JPS56109112A publication Critical patent/JPS56109112A/ja
Publication of JPS643572B2 publication Critical patent/JPS643572B2/ja
Granted legal-status Critical Current

Links

JP1001780A 1980-02-01 1980-02-01 Remover for internal bead of welded pipe Granted JPS56109112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1001780A JPS56109112A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1001780A JPS56109112A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Publications (2)

Publication Number Publication Date
JPS56109112A true JPS56109112A (en) 1981-08-29
JPS643572B2 JPS643572B2 (enrdf_load_html_response) 1989-01-23

Family

ID=11738619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1001780A Granted JPS56109112A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Country Status (1)

Country Link
JP (1) JPS56109112A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS643572B2 (enrdf_load_html_response) 1989-01-23

Similar Documents

Publication Publication Date Title
JPS56109112A (en) Remover for internal bead of welded pipe
JPS56109111A (en) Remover for internal bead of welded pipe
JPS55112128A (en) Production of large-diameter square steel pipe
JPS55141323A (en) Edge forming method in manufacturing electric resistance welded steel pipe
EP0115441A3 (en) Process and apparatus for fabricating tubular structures
JPS56128618A (en) Production of square steel pipe
JPS57168703A (en) Roll changing method for rolling mill
Hansen Method for Operating a Strip Rolling Mill
JPS5699094A (en) Manufacture of square welded steel pipe
EP0179172A3 (en) Rolling method and rolling apparatus for metal strips
Michaux Fully Universal Rolling Processing for H or I-Beam Type Metal Sections
JPS5671505A (en) Cold rolling method
JPS5561391A (en) Inside surface bead smoothing device of welding metal pipe
Ermakov Method of Pilger Rolling of Tubes
JPS54126656A (en) Electric welded steel pipe superior in groove corrosion resistance
Tan et al. Study on Strip Tension of Continuous Electrolytic Tinplate Production Line
JPS5725217A (en) Working method for scroll lap for scroll compressor
JPS56154209A (en) Rearranging apparatus for roll and stand of rolling mill
JPS5550902A (en) Rolling method for steel shape
JPS53144856A (en) Method and apparatus for preventing tear of strip in rolling mill
Mihara et al. Roll Forming of U-Shaped Ribs by a New Roller Die Forming Process
JPS56111589A (en) Tack arc welding method in pipe making process for spiral steel pipe
JPS5764418A (en) Formation of cylindrical body
JPS54155965A (en) Manufacture of spirally welded steel pipe
JPS57149016A (en) Edge wave preventing and forming method for electric welded steel pipe