JPS6216765B2 - - Google Patents

Info

Publication number
JPS6216765B2
JPS6216765B2 JP57115794A JP11579482A JPS6216765B2 JP S6216765 B2 JPS6216765 B2 JP S6216765B2 JP 57115794 A JP57115794 A JP 57115794A JP 11579482 A JP11579482 A JP 11579482A JP S6216765 B2 JPS6216765 B2 JP S6216765B2
Authority
JP
Japan
Prior art keywords
cutting edge
groove
discharge groove
cutting
chip discharge
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
JP57115794A
Other languages
English (en)
Japanese (ja)
Other versions
JPS597509A (ja
Inventor
Toshiaki Hosoi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11579482A priority Critical patent/JPS597509A/ja
Publication of JPS597509A publication Critical patent/JPS597509A/ja
Publication of JPS6216765B2 publication Critical patent/JPS6216765B2/ja
Granted 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
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP11579482A 1982-07-02 1982-07-02 ドリル Granted JPS597509A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11579482A JPS597509A (ja) 1982-07-02 1982-07-02 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11579482A JPS597509A (ja) 1982-07-02 1982-07-02 ドリル

Publications (2)

Publication Number Publication Date
JPS597509A JPS597509A (ja) 1984-01-14
JPS6216765B2 true JPS6216765B2 (et) 1987-04-14

Family

ID=14671231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11579482A Granted JPS597509A (ja) 1982-07-02 1982-07-02 ドリル

Country Status (1)

Country Link
JP (1) JPS597509A (et)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63185507A (ja) * 1987-01-26 1988-08-01 Toshiaki Hosoi ドリル
WO1996014954A1 (de) * 1994-11-10 1996-05-23 Kennametal Hertel Ag Werkzeuge + Hartstoffe Bohrwerkzeug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5590214A (en) * 1978-12-27 1980-07-08 Toshiaki Hosoi Drill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5590214A (en) * 1978-12-27 1980-07-08 Toshiaki Hosoi Drill

Also Published As

Publication number Publication date
JPS597509A (ja) 1984-01-14

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