JPS6225452B2 - - Google Patents

Info

Publication number
JPS6225452B2
JPS6225452B2 JP60003964A JP396485A JPS6225452B2 JP S6225452 B2 JPS6225452 B2 JP S6225452B2 JP 60003964 A JP60003964 A JP 60003964A JP 396485 A JP396485 A JP 396485A JP S6225452 B2 JPS6225452 B2 JP S6225452B2
Authority
JP
Japan
Prior art keywords
roll
forming
bending
cylindrical body
edges
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
JP60003964A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61165231A (ja
Inventor
Tsuneo Hidaka
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP396485A priority Critical patent/JPS61165231A/ja
Publication of JPS61165231A publication Critical patent/JPS61165231A/ja
Publication of JPS6225452B2 publication Critical patent/JPS6225452B2/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)
JP396485A 1985-01-16 1985-01-16 円管状体冷間成形ロ−ル Granted JPS61165231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP396485A JPS61165231A (ja) 1985-01-16 1985-01-16 円管状体冷間成形ロ−ル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP396485A JPS61165231A (ja) 1985-01-16 1985-01-16 円管状体冷間成形ロ−ル

Publications (2)

Publication Number Publication Date
JPS61165231A JPS61165231A (ja) 1986-07-25
JPS6225452B2 true JPS6225452B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-06-03

Family

ID=11571761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP396485A Granted JPS61165231A (ja) 1985-01-16 1985-01-16 円管状体冷間成形ロ−ル

Country Status (1)

Country Link
JP (1) JPS61165231A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7198969B2 (ja) * 2019-03-29 2023-01-05 日鉄建材株式会社 差厚断面を有する冷間ロール成形軽量形鋼

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844884Y2 (ja) * 1980-10-17 1983-10-12 株式会社 山陽精機 造管装置の成形ロ−ル

Also Published As

Publication number Publication date
JPS61165231A (ja) 1986-07-25

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