JPH0211327B2 - - Google Patents

Info

Publication number
JPH0211327B2
JPH0211327B2 JP5256482A JP5256482A JPH0211327B2 JP H0211327 B2 JPH0211327 B2 JP H0211327B2 JP 5256482 A JP5256482 A JP 5256482A JP 5256482 A JP5256482 A JP 5256482A JP H0211327 B2 JPH0211327 B2 JP H0211327B2
Authority
JP
Japan
Prior art keywords
container
upsetting
drilling
square steel
mandrel
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
JP5256482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58168428A (ja
Inventor
Kenji Kawano
Minoru Odagaki
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
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP5256482A priority Critical patent/JPS58168428A/ja
Publication of JPS58168428A publication Critical patent/JPS58168428A/ja
Publication of JPH0211327B2 publication Critical patent/JPH0211327B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Metal Extraction Processes (AREA)
JP5256482A 1982-03-31 1982-03-31 押抜き製管方法 Granted JPS58168428A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5256482A JPS58168428A (ja) 1982-03-31 1982-03-31 押抜き製管方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5256482A JPS58168428A (ja) 1982-03-31 1982-03-31 押抜き製管方法

Publications (2)

Publication Number Publication Date
JPS58168428A JPS58168428A (ja) 1983-10-04
JPH0211327B2 true JPH0211327B2 (cs) 1990-03-13

Family

ID=12918291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5256482A Granted JPS58168428A (ja) 1982-03-31 1982-03-31 押抜き製管方法

Country Status (1)

Country Link
JP (1) JPS58168428A (cs)

Also Published As

Publication number Publication date
JPS58168428A (ja) 1983-10-04

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