JPS5840208A - ドリル - Google Patents

ドリル

Info

Publication number
JPS5840208A
JPS5840208A JP13891981A JP13891981A JPS5840208A JP S5840208 A JPS5840208 A JP S5840208A JP 13891981 A JP13891981 A JP 13891981A JP 13891981 A JP13891981 A JP 13891981A JP S5840208 A JPS5840208 A JP S5840208A
Authority
JP
Japan
Prior art keywords
drill
cutting edge
center
rotation
lip
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.)
Granted
Application number
JP13891981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS64166B2 (enrdf_load_stackoverflow
Inventor
Toshiaki Hosoi
細井　俊明
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 JP13891981A priority Critical patent/JPS5840208A/ja
Publication of JPS5840208A publication Critical patent/JPS5840208A/ja
Publication of JPS64166B2 publication Critical patent/JPS64166B2/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)
JP13891981A 1981-09-02 1981-09-02 ドリル Granted JPS5840208A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13891981A JPS5840208A (ja) 1981-09-02 1981-09-02 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13891981A JPS5840208A (ja) 1981-09-02 1981-09-02 ドリル

Publications (2)

Publication Number Publication Date
JPS5840208A true JPS5840208A (ja) 1983-03-09
JPS64166B2 JPS64166B2 (enrdf_load_stackoverflow) 1989-01-05

Family

ID=15233199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13891981A Granted JPS5840208A (ja) 1981-09-02 1981-09-02 ドリル

Country Status (1)

Country Link
JP (1) JPS5840208A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846035A (en) * 1997-07-11 1998-12-08 General Electric Company Damage resistant drill
US6551036B2 (en) * 2000-11-30 2003-04-22 Heinrich Heule Drilling bit and holder for drilling bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846035A (en) * 1997-07-11 1998-12-08 General Electric Company Damage resistant drill
US6551036B2 (en) * 2000-11-30 2003-04-22 Heinrich Heule Drilling bit and holder for drilling bit

Also Published As

Publication number Publication date
JPS64166B2 (enrdf_load_stackoverflow) 1989-01-05

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