JPH0386188U - - Google Patents
Info
- Publication number
- JPH0386188U JPH0386188U JP14896589U JP14896589U JPH0386188U JP H0386188 U JPH0386188 U JP H0386188U JP 14896589 U JP14896589 U JP 14896589U JP 14896589 U JP14896589 U JP 14896589U JP H0386188 U JPH0386188 U JP H0386188U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- bit
- ring bit
- drilling
- auxiliary
- 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
Links
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims 2
- 230000004323 axial length Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14896589U JPH0721675Y2 (ja) | 1989-12-25 | 1989-12-25 | リングビット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14896589U JPH0721675Y2 (ja) | 1989-12-25 | 1989-12-25 | リングビット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0386188U true JPH0386188U (en:Method) | 1991-08-30 |
| JPH0721675Y2 JPH0721675Y2 (ja) | 1995-05-17 |
Family
ID=31695399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14896589U Expired - Fee Related JPH0721675Y2 (ja) | 1989-12-25 | 1989-12-25 | リングビット |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721675Y2 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007063909A (ja) * | 2005-09-01 | 2007-03-15 | Techno Earth Corp | 地質試料採取装置および、これを用いた廃棄物の採取方法 |
| KR20160099559A (ko) | 2013-12-18 | 2016-08-22 | 가부시키가이샤 시마노 | 글러브 |
-
1989
- 1989-12-25 JP JP14896589U patent/JPH0721675Y2/ja not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007063909A (ja) * | 2005-09-01 | 2007-03-15 | Techno Earth Corp | 地質試料採取装置および、これを用いた廃棄物の採取方法 |
| KR20160099559A (ko) | 2013-12-18 | 2016-08-22 | 가부시키가이샤 시마노 | 글러브 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721675Y2 (ja) | 1995-05-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |