JPS56105094A - Drill bit - Google Patents

Drill bit

Info

Publication number
JPS56105094A
JPS56105094A JP799680A JP799680A JPS56105094A JP S56105094 A JPS56105094 A JP S56105094A JP 799680 A JP799680 A JP 799680A JP 799680 A JP799680 A JP 799680A JP S56105094 A JPS56105094 A JP S56105094A
Authority
JP
Japan
Prior art keywords
drill bit
drill
bit
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
JP799680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5711996B2 (enExample
Inventor
Masaaki Miyanaga
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 JP799680A priority Critical patent/JPS56105094A/ja
Publication of JPS56105094A publication Critical patent/JPS56105094A/ja
Publication of JPS5711996B2 publication Critical patent/JPS5711996B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP799680A 1980-01-26 1980-01-26 Drill bit Granted JPS56105094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP799680A JPS56105094A (en) 1980-01-26 1980-01-26 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP799680A JPS56105094A (en) 1980-01-26 1980-01-26 Drill bit

Publications (2)

Publication Number Publication Date
JPS56105094A true JPS56105094A (en) 1981-08-21
JPS5711996B2 JPS5711996B2 (enExample) 1982-03-08

Family

ID=11681000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP799680A Granted JPS56105094A (en) 1980-01-26 1980-01-26 Drill bit

Country Status (1)

Country Link
JP (1) JPS56105094A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317989A1 (de) * 1983-05-18 1984-11-22 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug

Also Published As

Publication number Publication date
JPS5711996B2 (enExample) 1982-03-08

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