JPS6157124B2 - - Google Patents

Info

Publication number
JPS6157124B2
JPS6157124B2 JP9329681A JP9329681A JPS6157124B2 JP S6157124 B2 JPS6157124 B2 JP S6157124B2 JP 9329681 A JP9329681 A JP 9329681A JP 9329681 A JP9329681 A JP 9329681A JP S6157124 B2 JPS6157124 B2 JP S6157124B2
Authority
JP
Japan
Prior art keywords
cutting edge
chips
drill
cutting
hole
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
JP9329681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57211406A (en
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 JP9329681A priority Critical patent/JPS57211406A/ja
Publication of JPS57211406A publication Critical patent/JPS57211406A/ja
Publication of JPS6157124B2 publication Critical patent/JPS6157124B2/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)
JP9329681A 1981-06-17 1981-06-17 Drill Granted JPS57211406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9329681A JPS57211406A (en) 1981-06-17 1981-06-17 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9329681A JPS57211406A (en) 1981-06-17 1981-06-17 Drill

Publications (2)

Publication Number Publication Date
JPS57211406A JPS57211406A (en) 1982-12-25
JPS6157124B2 true JPS6157124B2 (enrdf_load_stackoverflow) 1986-12-05

Family

ID=14078400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9329681A Granted JPS57211406A (en) 1981-06-17 1981-06-17 Drill

Country Status (1)

Country Link
JP (1) JPS57211406A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365816U (enrdf_load_stackoverflow) * 1986-10-20 1988-04-30
JPS6365815U (enrdf_load_stackoverflow) * 1986-10-20 1988-04-30
JPH01117914A (ja) * 1987-10-30 1989-05-10 Honda Motor Co Ltd 水冷式多気筒エンジンの冷却構造

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389211A (ja) * 1986-09-30 1988-04-20 Toshiba Tungaloy Co Ltd ツイストドリル
JP2002144125A (ja) * 2000-08-31 2002-05-21 Mitsubishi Materials Corp 穴明け工具

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365816U (enrdf_load_stackoverflow) * 1986-10-20 1988-04-30
JPS6365815U (enrdf_load_stackoverflow) * 1986-10-20 1988-04-30
JPH01117914A (ja) * 1987-10-30 1989-05-10 Honda Motor Co Ltd 水冷式多気筒エンジンの冷却構造

Also Published As

Publication number Publication date
JPS57211406A (en) 1982-12-25

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