JPS62154090U - - Google Patents
Info
- Publication number
- JPS62154090U JPS62154090U JP4204286U JP4204286U JPS62154090U JP S62154090 U JPS62154090 U JP S62154090U JP 4204286 U JP4204286 U JP 4204286U JP 4204286 U JP4204286 U JP 4204286U JP S62154090 U JPS62154090 U JP S62154090U
- Authority
- JP
- Japan
- Prior art keywords
- kelly bar
- sectional
- kerryba
- urethane
- wear
- 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
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000007779 soft material Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986042042U JPH0434236Y2 (zh) | 1986-03-20 | 1986-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986042042U JPH0434236Y2 (zh) | 1986-03-20 | 1986-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154090U true JPS62154090U (zh) | 1987-09-30 |
| JPH0434236Y2 JPH0434236Y2 (zh) | 1992-08-14 |
Family
ID=30857591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986042042U Expired JPH0434236Y2 (zh) | 1986-03-20 | 1986-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434236Y2 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198294U (zh) * | 1987-12-21 | 1989-06-30 | ||
| JP2015014179A (ja) * | 2012-11-08 | 2015-01-22 | 株式会社アイチコーポレーション | アースオーガ装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51160404U (zh) * | 1975-06-14 | 1976-12-21 |
-
1986
- 1986-03-20 JP JP1986042042U patent/JPH0434236Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51160404U (zh) * | 1975-06-14 | 1976-12-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198294U (zh) * | 1987-12-21 | 1989-06-30 | ||
| JP2015014179A (ja) * | 2012-11-08 | 2015-01-22 | 株式会社アイチコーポレーション | アースオーガ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434236Y2 (zh) | 1992-08-14 |