JPS5712794A - Bit for drilling grooved hole - Google Patents

Bit for drilling grooved hole

Info

Publication number
JPS5712794A
JPS5712794A JP8825580A JP8825580A JPS5712794A JP S5712794 A JPS5712794 A JP S5712794A JP 8825580 A JP8825580 A JP 8825580A JP 8825580 A JP8825580 A JP 8825580A JP S5712794 A JPS5712794 A JP S5712794A
Authority
JP
Japan
Prior art keywords
drilling
bit
grooved hole
grooved
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.)
Granted
Application number
JP8825580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6257792B2 (enrdf_load_stackoverflow
Inventor
Takao Shibukawa
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.)
Mazda Motor Corp
Original Assignee
Toyo Kogyo Co 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 Toyo Kogyo Co Ltd filed Critical Toyo Kogyo Co Ltd
Priority to JP8825580A priority Critical patent/JPS5712794A/ja
Publication of JPS5712794A publication Critical patent/JPS5712794A/ja
Publication of JPS6257792B2 publication Critical patent/JPS6257792B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP8825580A 1980-06-27 1980-06-27 Bit for drilling grooved hole Granted JPS5712794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8825580A JPS5712794A (en) 1980-06-27 1980-06-27 Bit for drilling grooved hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8825580A JPS5712794A (en) 1980-06-27 1980-06-27 Bit for drilling grooved hole

Publications (2)

Publication Number Publication Date
JPS5712794A true JPS5712794A (en) 1982-01-22
JPS6257792B2 JPS6257792B2 (enrdf_load_stackoverflow) 1987-12-02

Family

ID=13937754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8825580A Granted JPS5712794A (en) 1980-06-27 1980-06-27 Bit for drilling grooved hole

Country Status (1)

Country Link
JP (1) JPS5712794A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6257792B2 (enrdf_load_stackoverflow) 1987-12-02

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