JPS59193613U - 超硬ドリル - Google Patents

超硬ドリル

Info

Publication number
JPS59193613U
JPS59193613U JP8260083U JP8260083U JPS59193613U JP S59193613 U JPS59193613 U JP S59193613U JP 8260083 U JP8260083 U JP 8260083U JP 8260083 U JP8260083 U JP 8260083U JP S59193613 U JPS59193613 U JP S59193613U
Authority
JP
Japan
Prior art keywords
wall surface
tip
chip discharge
discharge groove
drill
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
JP8260083U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317604Y2 (OSRAM
Inventor
真司 黒田
細野　秀治
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.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP8260083U priority Critical patent/JPS59193613U/ja
Publication of JPS59193613U publication Critical patent/JPS59193613U/ja
Application granted granted Critical
Publication of JPS6317604Y2 publication Critical patent/JPS6317604Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP8260083U 1983-05-31 1983-05-31 超硬ドリル Granted JPS59193613U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8260083U JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8260083U JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Publications (2)

Publication Number Publication Date
JPS59193613U true JPS59193613U (ja) 1984-12-22
JPS6317604Y2 JPS6317604Y2 (OSRAM) 1988-05-18

Family

ID=30212555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8260083U Granted JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Country Status (1)

Country Link
JP (1) JPS59193613U (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS641811U (OSRAM) * 1987-06-22 1989-01-09

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414089A (en) * 1977-07-05 1979-02-01 Caterpillar Mitsubishi Ltd Drill with chip breaker for high hardness
JPS54102682A (en) * 1978-01-31 1979-08-13 Riyousuke Hosoi Spiralledge drill without chisel
JPS5652110A (en) * 1979-10-02 1981-05-11 Mitsubishi Metal Corp Rotary cutting tool with bottom blade

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414089A (en) * 1977-07-05 1979-02-01 Caterpillar Mitsubishi Ltd Drill with chip breaker for high hardness
JPS54102682A (en) * 1978-01-31 1979-08-13 Riyousuke Hosoi Spiralledge drill without chisel
JPS5652110A (en) * 1979-10-02 1981-05-11 Mitsubishi Metal Corp Rotary cutting tool with bottom blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS641811U (OSRAM) * 1987-06-22 1989-01-09

Also Published As

Publication number Publication date
JPS6317604Y2 (OSRAM) 1988-05-18

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