JP7339592B1 - 中空部材の製造方法 - Google Patents

中空部材の製造方法 Download PDF

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Publication number
JP7339592B1
JP7339592B1 JP2023522476A JP2023522476A JP7339592B1 JP 7339592 B1 JP7339592 B1 JP 7339592B1 JP 2023522476 A JP2023522476 A JP 2023522476A JP 2023522476 A JP2023522476 A JP 2023522476A JP 7339592 B1 JP7339592 B1 JP 7339592B1
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Japan
Prior art keywords
mold
pipe
cross
bending
blank
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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.)
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JP2023522476A
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English (en)
Japanese (ja)
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JPWO2023136172A1 (https=
JPWO2023136172A5 (https=
Inventor
翔平 田村
稔 金丸
陸央 北山
祥 白井
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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Publication of JPWO2023136172A1 publication Critical patent/JPWO2023136172A1/ja
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Publication of JPWO2023136172A5 publication Critical patent/JPWO2023136172A5/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/08—Bending tubes using mandrels or the like in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/025—Stamping using rigid devices or tools for tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP2023522476A 2022-01-13 2022-12-28 中空部材の製造方法 Active JP7339592B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022003790 2022-01-13
JP2022003790 2022-01-13
PCT/JP2022/048587 WO2023136172A1 (ja) 2022-01-13 2022-12-28 中空部材の製造方法

Publications (3)

Publication Number Publication Date
JPWO2023136172A1 JPWO2023136172A1 (https=) 2023-07-20
JP7339592B1 true JP7339592B1 (ja) 2023-09-06
JPWO2023136172A5 JPWO2023136172A5 (https=) 2023-12-13

Family

ID=87279091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023522476A Active JP7339592B1 (ja) 2022-01-13 2022-12-28 中空部材の製造方法

Country Status (5)

Country Link
US (1) US20250033105A1 (https=)
JP (1) JP7339592B1 (https=)
CN (1) CN118450952A (https=)
MX (1) MX2024008694A (https=)
WO (1) WO2023136172A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025229987A1 (ja) * 2024-04-30 2025-11-06 日本製鉄株式会社 中空部材の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940272A (https=) * 1972-08-26 1974-04-15
JPS532422B2 (https=) * 1973-09-06 1978-01-27
JPS561166B2 (https=) * 1977-06-27 1981-01-12
WO2016052644A1 (ja) * 2014-10-03 2016-04-07 新日鐵住金株式会社 プレス成形品の製造方法、及びプレス成形品
WO2022014262A1 (ja) * 2020-07-14 2022-01-20 日本製鉄株式会社 中空部材の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125252A (en) * 1990-03-19 1992-06-30 The Babcock & Wilcox Company Variable geometry tube bending dies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940272A (https=) * 1972-08-26 1974-04-15
JPS532422B2 (https=) * 1973-09-06 1978-01-27
JPS561166B2 (https=) * 1977-06-27 1981-01-12
WO2016052644A1 (ja) * 2014-10-03 2016-04-07 新日鐵住金株式会社 プレス成形品の製造方法、及びプレス成形品
WO2022014262A1 (ja) * 2020-07-14 2022-01-20 日本製鉄株式会社 中空部材の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025229987A1 (ja) * 2024-04-30 2025-11-06 日本製鉄株式会社 中空部材の製造方法

Also Published As

Publication number Publication date
MX2024008694A (es) 2024-07-19
CN118450952A (zh) 2024-08-06
US20250033105A1 (en) 2025-01-30
WO2023136172A1 (ja) 2023-07-20
JPWO2023136172A1 (https=) 2023-07-20

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