JPS6225055B2 - - Google Patents

Info

Publication number
JPS6225055B2
JPS6225055B2 JP7738984A JP7738984A JPS6225055B2 JP S6225055 B2 JPS6225055 B2 JP S6225055B2 JP 7738984 A JP7738984 A JP 7738984A JP 7738984 A JP7738984 A JP 7738984A JP S6225055 B2 JPS6225055 B2 JP S6225055B2
Authority
JP
Japan
Prior art keywords
roll
caliber
steel pipes
rolls
present
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.)
Expired
Application number
JP7738984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60221132A (ja
Inventor
Mitsuo Machida
Yasuo Kimya
Ryuichi Urushama
Isao Kawabata
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
Daido Kikai Seisakusho KK
Original Assignee
Nippon Steel Corp
Daido Kikai Seisakusho KK
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 Nippon Steel Corp, Daido Kikai Seisakusho KK filed Critical Nippon Steel Corp
Priority to JP7738984A priority Critical patent/JPS60221132A/ja
Publication of JPS60221132A publication Critical patent/JPS60221132A/ja
Publication of JPS6225055B2 publication Critical patent/JPS6225055B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
    • B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP7738984A 1984-04-17 1984-04-17 電縫鋼管の造管用ロ−ル Granted JPS60221132A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7738984A JPS60221132A (ja) 1984-04-17 1984-04-17 電縫鋼管の造管用ロ−ル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7738984A JPS60221132A (ja) 1984-04-17 1984-04-17 電縫鋼管の造管用ロ−ル

Publications (2)

Publication Number Publication Date
JPS60221132A JPS60221132A (ja) 1985-11-05
JPS6225055B2 true JPS6225055B2 (enrdf_load_stackoverflow) 1987-06-01

Family

ID=13632531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7738984A Granted JPS60221132A (ja) 1984-04-17 1984-04-17 電縫鋼管の造管用ロ−ル

Country Status (1)

Country Link
JP (1) JPS60221132A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395618U (enrdf_load_stackoverflow) * 1986-12-10 1988-06-20

Also Published As

Publication number Publication date
JPS60221132A (ja) 1985-11-05

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