JPS639389U - - Google Patents
Info
- Publication number
- JPS639389U JPS639389U JP10418086U JP10418086U JPS639389U JP S639389 U JPS639389 U JP S639389U JP 10418086 U JP10418086 U JP 10418086U JP 10418086 U JP10418086 U JP 10418086U JP S639389 U JPS639389 U JP S639389U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- soundproof cover
- tip
- core body
- rotating shaft
- 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 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986104180U JPH0613899Y2 (ja) | 1986-07-07 | 1986-07-07 | コンクリ−ト削孔装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986104180U JPH0613899Y2 (ja) | 1986-07-07 | 1986-07-07 | コンクリ−ト削孔装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS639389U true JPS639389U (enExample) | 1988-01-21 |
| JPH0613899Y2 JPH0613899Y2 (ja) | 1994-04-13 |
Family
ID=30977439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986104180U Expired - Lifetime JPH0613899Y2 (ja) | 1986-07-07 | 1986-07-07 | コンクリ−ト削孔装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613899Y2 (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410903U (enExample) * | 1977-06-23 | 1979-01-24 |
-
1986
- 1986-07-07 JP JP1986104180U patent/JPH0613899Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410903U (enExample) * | 1977-06-23 | 1979-01-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613899Y2 (ja) | 1994-04-13 |