JPS5612493A - Gaugueereinforced frictional sliding rotary bit - Google Patents
Gaugueereinforced frictional sliding rotary bitInfo
- 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
Links
Landscapes
- Earth Drilling (AREA)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3140748A (en) * | 1963-05-16 | 1964-07-14 | Kennametal Inc | Earth boring drill bit |
-
1979
- 1979-07-10 JP JP8643579A patent/JPS5612493A/en active Pending
Patent Citations (1)
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)
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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