JP7541275B1 - インピーダーシート、電縫管製造装置のマンドレル及び電縫管の製造方法 - Google Patents

インピーダーシート、電縫管製造装置のマンドレル及び電縫管の製造方法 Download PDF

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Publication number
JP7541275B1
JP7541275B1 JP2024521734A JP2024521734A JP7541275B1 JP 7541275 B1 JP7541275 B1 JP 7541275B1 JP 2024521734 A JP2024521734 A JP 2024521734A JP 2024521734 A JP2024521734 A JP 2024521734A JP 7541275 B1 JP7541275 B1 JP 7541275B1
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Japan
Prior art keywords
sheet
impedance
electric
mandrel
welded pipe
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JP2024521734A
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English (en)
Japanese (ja)
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JPWO2024190039A1 (https=
JPWO2024190039A5 (https=
Inventor
芳明 廣田
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
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Nippon Steel Corp
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Priority claimed from PCT/JP2023/046525 external-priority patent/WO2024190039A1/ja
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Publication of JPWO2024190039A1 publication Critical patent/JPWO2024190039A1/ja
Publication of JPWO2024190039A5 publication Critical patent/JPWO2024190039A5/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • B23K13/025—Seam welding for tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/08—Electric supply or control circuits therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)
JP2024521734A 2023-03-16 2023-12-25 インピーダーシート、電縫管製造装置のマンドレル及び電縫管の製造方法 Active JP7541275B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023042009 2023-03-16
JP2023042009 2023-03-16
PCT/JP2023/046525 WO2024190039A1 (ja) 2023-03-16 2023-12-25 インピーダーシート、電縫管製造装置のマンドレル及び電縫管の製造方法

Publications (3)

Publication Number Publication Date
JP7541275B1 true JP7541275B1 (ja) 2024-08-28
JPWO2024190039A1 JPWO2024190039A1 (https=) 2024-09-19
JPWO2024190039A5 JPWO2024190039A5 (https=) 2025-02-19

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ID=92499134

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Application Number Title Priority Date Filing Date
JP2024521734A Active JP7541275B1 (ja) 2023-03-16 2023-12-25 インピーダーシート、電縫管製造装置のマンドレル及び電縫管の製造方法

Country Status (2)

Country Link
EP (1) EP4681859A1 (https=)
JP (1) JP7541275B1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236721U (https=) * 1975-09-09 1977-03-15
JPS5818690U (ja) * 1981-07-28 1983-02-04 ティーディーケイ株式会社 電縫管製造装置用インピ−ダコア
JPS58221681A (ja) * 1982-06-18 1983-12-23 Sumitomo Metal Ind Ltd 電縫管の製造方法及びインピ−ダ
JP2007210026A (ja) * 2006-02-13 2007-08-23 Tdk Corp インピーダコア
WO2014027565A1 (ja) * 2012-08-17 2014-02-20 新日鐵住金株式会社 電縫管溶接装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236721U (https=) * 1975-09-09 1977-03-15
JPS5818690U (ja) * 1981-07-28 1983-02-04 ティーディーケイ株式会社 電縫管製造装置用インピ−ダコア
JPS58221681A (ja) * 1982-06-18 1983-12-23 Sumitomo Metal Ind Ltd 電縫管の製造方法及びインピ−ダ
JP2007210026A (ja) * 2006-02-13 2007-08-23 Tdk Corp インピーダコア
WO2014027565A1 (ja) * 2012-08-17 2014-02-20 新日鐵住金株式会社 電縫管溶接装置

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JPWO2024190039A1 (https=) 2024-09-19
EP4681859A1 (en) 2026-01-21

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