JPS63176190U - - Google Patents
Info
- Publication number
- JPS63176190U JPS63176190U JP18589986U JP18589986U JPS63176190U JP S63176190 U JPS63176190 U JP S63176190U JP 18589986 U JP18589986 U JP 18589986U JP 18589986 U JP18589986 U JP 18589986U JP S63176190 U JPS63176190 U JP S63176190U
- Authority
- JP
- Japan
- Prior art keywords
- spiral
- main body
- screw main
- spiral screw
- bite
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18589986U JPS63176190U (en, 2012) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18589986U JPS63176190U (en, 2012) | 1986-12-02 | 1986-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176190U true JPS63176190U (en, 2012) | 1988-11-15 |
Family
ID=31134958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18589986U Pending JPS63176190U (en, 2012) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176190U (en, 2012) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS506968U (en, 2012) * | 1973-05-15 | 1975-01-24 | ||
| JPS508704B1 (en, 2012) * | 1970-10-26 | 1975-04-07 | ||
| JPS60173285A (ja) * | 1984-02-17 | 1985-09-06 | 大成建設株式会社 | 岩盤掘削ビツト |
-
1986
- 1986-12-02 JP JP18589986U patent/JPS63176190U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS508704B1 (en, 2012) * | 1970-10-26 | 1975-04-07 | ||
| JPS506968U (en, 2012) * | 1973-05-15 | 1975-01-24 | ||
| JPS60173285A (ja) * | 1984-02-17 | 1985-09-06 | 大成建設株式会社 | 岩盤掘削ビツト |