JPH0518659B2 - - Google Patents

Info

Publication number
JPH0518659B2
JPH0518659B2 JP6453384A JP6453384A JPH0518659B2 JP H0518659 B2 JPH0518659 B2 JP H0518659B2 JP 6453384 A JP6453384 A JP 6453384A JP 6453384 A JP6453384 A JP 6453384A JP H0518659 B2 JPH0518659 B2 JP H0518659B2
Authority
JP
Japan
Prior art keywords
thick
column
straight pipe
diameter
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.)
Expired - Lifetime
Application number
JP6453384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60206545A (ja
Inventor
Arata Komitsu
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP6453384A priority Critical patent/JPS60206545A/ja
Publication of JPS60206545A publication Critical patent/JPS60206545A/ja
Publication of JPH0518659B2 publication Critical patent/JPH0518659B2/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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
JP6453384A 1984-03-30 1984-03-30 柱材の製造方法 Granted JPS60206545A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6453384A JPS60206545A (ja) 1984-03-30 1984-03-30 柱材の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6453384A JPS60206545A (ja) 1984-03-30 1984-03-30 柱材の製造方法

Publications (2)

Publication Number Publication Date
JPS60206545A JPS60206545A (ja) 1985-10-18
JPH0518659B2 true JPH0518659B2 (enrdf_load_stackoverflow) 1993-03-12

Family

ID=13260953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6453384A Granted JPS60206545A (ja) 1984-03-30 1984-03-30 柱材の製造方法

Country Status (1)

Country Link
JP (1) JPS60206545A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6341792B2 (ja) * 2014-08-04 2018-06-13 ナカジマ鋼管株式会社 鋼管柱及びその製造方法

Also Published As

Publication number Publication date
JPS60206545A (ja) 1985-10-18

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