JPS52143590A - Drill - Google Patents

Drill

Info

Publication number
JPS52143590A
JPS52143590A JP6100676A JP6100676A JPS52143590A JP S52143590 A JPS52143590 A JP S52143590A JP 6100676 A JP6100676 A JP 6100676A JP 6100676 A JP6100676 A JP 6100676A JP S52143590 A JPS52143590 A JP S52143590A
Authority
JP
Japan
Prior art keywords
drill
exchanging
blades
way
different sizes
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.)
Pending
Application number
JP6100676A
Other languages
Japanese (ja)
Inventor
Suguru Motonishi
Hideyuki Fujiwara
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP6100676A priority Critical patent/JPS52143590A/en
Publication of JPS52143590A publication Critical patent/JPS52143590A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

PURPOSE:To punch holes of different sizes by way of a single drill by exchanging the blades.
JP6100676A 1976-05-25 1976-05-25 Drill Pending JPS52143590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6100676A JPS52143590A (en) 1976-05-25 1976-05-25 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6100676A JPS52143590A (en) 1976-05-25 1976-05-25 Drill

Publications (1)

Publication Number Publication Date
JPS52143590A true JPS52143590A (en) 1977-11-30

Family

ID=13158814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6100676A Pending JPS52143590A (en) 1976-05-25 1976-05-25 Drill

Country Status (1)

Country Link
JP (1) JPS52143590A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182556B2 (en) * 2001-12-07 2007-02-27 Mitsubishi Materials Corporation Drill and throwaway insert

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182556B2 (en) * 2001-12-07 2007-02-27 Mitsubishi Materials Corporation Drill and throwaway insert

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