JPS6150728B2 - - Google Patents

Info

Publication number
JPS6150728B2
JPS6150728B2 JP57015305A JP1530582A JPS6150728B2 JP S6150728 B2 JPS6150728 B2 JP S6150728B2 JP 57015305 A JP57015305 A JP 57015305A JP 1530582 A JP1530582 A JP 1530582A JP S6150728 B2 JPS6150728 B2 JP S6150728B2
Authority
JP
Japan
Prior art keywords
pipe
hole
notch
blade
core mold
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
JP57015305A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58132410A (ja
Inventor
Yoji Sumizaki
Toshio Okude
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 Aluminium Co Ltd
Original Assignee
Nippon Aluminium Co 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 Nippon Aluminium Co Ltd filed Critical Nippon Aluminium Co Ltd
Priority to JP1530582A priority Critical patent/JPS58132410A/ja
Publication of JPS58132410A publication Critical patent/JPS58132410A/ja
Publication of JPS6150728B2 publication Critical patent/JPS6150728B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D21/00—Machines or devices for shearing or cutting tubes
    • B23D21/02—Machines or devices for shearing or cutting tubes otherwise than in a plane perpendicular to the axis of the tube, e.g. for making mitred cuts, for making bicycle frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
JP1530582A 1982-02-01 1982-02-01 パイプの孔抜方法 Granted JPS58132410A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1530582A JPS58132410A (ja) 1982-02-01 1982-02-01 パイプの孔抜方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1530582A JPS58132410A (ja) 1982-02-01 1982-02-01 パイプの孔抜方法

Publications (2)

Publication Number Publication Date
JPS58132410A JPS58132410A (ja) 1983-08-06
JPS6150728B2 true JPS6150728B2 (fr) 1986-11-05

Family

ID=11885086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1530582A Granted JPS58132410A (ja) 1982-02-01 1982-02-01 パイプの孔抜方法

Country Status (1)

Country Link
JP (1) JPS58132410A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07109610A (ja) * 1993-08-16 1995-04-25 Tokai Kensetsu:Kk ヘルメット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50102988A (fr) * 1974-01-21 1975-08-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07109610A (ja) * 1993-08-16 1995-04-25 Tokai Kensetsu:Kk ヘルメット

Also Published As

Publication number Publication date
JPS58132410A (ja) 1983-08-06

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