JPH0549407B2 - - Google Patents

Info

Publication number
JPH0549407B2
JPH0549407B2 JP57078721A JP7872182A JPH0549407B2 JP H0549407 B2 JPH0549407 B2 JP H0549407B2 JP 57078721 A JP57078721 A JP 57078721A JP 7872182 A JP7872182 A JP 7872182A JP H0549407 B2 JPH0549407 B2 JP H0549407B2
Authority
JP
Japan
Prior art keywords
drilling
sizing
section steel
shaped steel
steel
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
JP57078721A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58196910A (ja
Inventor
Mitsuo Kondo
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.)
Daito Seiki KK
Original Assignee
Daito Seiki 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 Daito Seiki KK filed Critical Daito Seiki KK
Priority to JP57078721A priority Critical patent/JPS58196910A/ja
Publication of JPS58196910A publication Critical patent/JPS58196910A/ja
Publication of JPH0549407B2 publication Critical patent/JPH0549407B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/003—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for drilling elongated pieces, e.g. beams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
JP57078721A 1982-05-10 1982-05-10 形鋼の自動穿孔装置 Granted JPS58196910A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57078721A JPS58196910A (ja) 1982-05-10 1982-05-10 形鋼の自動穿孔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57078721A JPS58196910A (ja) 1982-05-10 1982-05-10 形鋼の自動穿孔装置

Publications (2)

Publication Number Publication Date
JPS58196910A JPS58196910A (ja) 1983-11-16
JPH0549407B2 true JPH0549407B2 (fr) 1993-07-26

Family

ID=13669739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57078721A Granted JPS58196910A (ja) 1982-05-10 1982-05-10 形鋼の自動穿孔装置

Country Status (1)

Country Link
JP (1) JPS58196910A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101854400B1 (ko) * 2017-11-03 2018-05-03 박삼용 연속 타공장치 및 연속 타공방법

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62121009U (fr) * 1986-01-24 1987-07-31
JPS647058A (en) * 1987-06-30 1989-01-11 Toshiba Corp Image forming device
JPS648563A (en) * 1987-06-30 1989-01-12 Toshiba Corp Track counter
JPH0256511U (fr) * 1988-10-13 1990-04-24
IT201800007422A1 (it) 2018-07-23 2020-01-23 Macchina per la lavorazione di profili prismatici.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842449A (fr) * 1971-10-01 1973-06-20
JPS4894078A (fr) * 1972-02-21 1973-12-04
JPS4921343A (fr) * 1972-06-20 1974-02-25
JPS5423035U (fr) * 1977-07-15 1979-02-15
JPS554522A (en) * 1978-06-24 1980-01-14 Mitsubishi Electric Corp Equivalent testing apparatus of fuse and the like

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921343B1 (fr) * 1969-02-26 1974-05-31
JPS5423035Y2 (fr) * 1972-04-03 1979-08-08
JPS554522B2 (fr) * 1974-02-22 1980-01-30

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842449A (fr) * 1971-10-01 1973-06-20
JPS4894078A (fr) * 1972-02-21 1973-12-04
JPS4921343A (fr) * 1972-06-20 1974-02-25
JPS5423035U (fr) * 1977-07-15 1979-02-15
JPS554522A (en) * 1978-06-24 1980-01-14 Mitsubishi Electric Corp Equivalent testing apparatus of fuse and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101854400B1 (ko) * 2017-11-03 2018-05-03 박삼용 연속 타공장치 및 연속 타공방법

Also Published As

Publication number Publication date
JPS58196910A (ja) 1983-11-16

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