JPS5612493A - Gaugueereinforced frictional sliding rotary bit - Google Patents

Gaugueereinforced frictional sliding rotary bit

Info

Publication number
JPS5612493A
JPS5612493A JP8643579A JP8643579A JPS5612493A JP S5612493 A JPS5612493 A JP S5612493A JP 8643579 A JP8643579 A JP 8643579A JP 8643579 A JP8643579 A JP 8643579A JP S5612493 A JPS5612493 A JP S5612493A
Authority
JP
Japan
Prior art keywords
gaugueereinforced
frictional sliding
rotary bit
sliding rotary
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.)
Pending
Application number
JP8643579A
Other languages
Japanese (ja)
Inventor
Riyuuichi Kabashima
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 JP8643579A priority Critical patent/JPS5612493A/en
Publication of JPS5612493A publication Critical patent/JPS5612493A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8643579A 1979-07-10 1979-07-10 Gaugueereinforced frictional sliding rotary bit Pending JPS5612493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8643579A JPS5612493A (en) 1979-07-10 1979-07-10 Gaugueereinforced frictional sliding rotary bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8643579A JPS5612493A (en) 1979-07-10 1979-07-10 Gaugueereinforced frictional sliding rotary bit

Publications (1)

Publication Number Publication Date
JPS5612493A true JPS5612493A (en) 1981-02-06

Family

ID=13886827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8643579A Pending JPS5612493A (en) 1979-07-10 1979-07-10 Gaugueereinforced frictional sliding rotary bit

Country Status (1)

Country Link
JP (1) JPS5612493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376988A (en) * 1989-04-05 1991-04-02 Morrison Pumps Sa Pty Ltd Rotatable crown for rotary drill and substratum drilling method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140748A (en) * 1963-05-16 1964-07-14 Kennametal Inc Earth boring drill bit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140748A (en) * 1963-05-16 1964-07-14 Kennametal Inc Earth boring drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376988A (en) * 1989-04-05 1991-04-02 Morrison Pumps Sa Pty Ltd Rotatable crown for rotary drill and substratum drilling method

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