JPS63159789U - - Google Patents
Info
- Publication number
- JPS63159789U JPS63159789U JP5246087U JP5246087U JPS63159789U JP S63159789 U JPS63159789 U JP S63159789U JP 5246087 U JP5246087 U JP 5246087U JP 5246087 U JP5246087 U JP 5246087U JP S63159789 U JPS63159789 U JP S63159789U
- Authority
- JP
- Japan
- Prior art keywords
- space
- tooth tip
- detection sensor
- drill
- metal detection
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5246087U JPH0416949Y2 (zh) | 1987-04-06 | 1987-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5246087U JPH0416949Y2 (zh) | 1987-04-06 | 1987-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63159789U true JPS63159789U (zh) | 1988-10-19 |
| JPH0416949Y2 JPH0416949Y2 (zh) | 1992-04-15 |
Family
ID=30877646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5246087U Expired JPH0416949Y2 (zh) | 1987-04-06 | 1987-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416949Y2 (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241105A (ja) * | 1990-02-16 | 1991-10-28 | Nippon Telegr & Teleph Corp <Ntt> | 路面切断用カッター装置 |
| JP2007284910A (ja) * | 2006-04-13 | 2007-11-01 | Tokyo Gas Co Ltd | 金属埋設物の調査用掘削装置及び調査用掘削工法 |
| JP2010222937A (ja) * | 2009-03-25 | 2010-10-07 | Chikami Miltec Inc | 打設装置及び打設方法、並びに、探査装置及び探査方法 |
| JP2013506859A (ja) * | 2009-10-06 | 2013-02-28 | ルイジアナ テック ユニヴァーシティ リサーチ ファンデーション | 埋設物を探知するための方法および装置 |
-
1987
- 1987-04-06 JP JP5246087U patent/JPH0416949Y2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241105A (ja) * | 1990-02-16 | 1991-10-28 | Nippon Telegr & Teleph Corp <Ntt> | 路面切断用カッター装置 |
| JP2007284910A (ja) * | 2006-04-13 | 2007-11-01 | Tokyo Gas Co Ltd | 金属埋設物の調査用掘削装置及び調査用掘削工法 |
| JP4717690B2 (ja) * | 2006-04-13 | 2011-07-06 | 東京瓦斯株式会社 | 金属埋設物の調査用掘削装置及び調査用掘削工法 |
| JP2010222937A (ja) * | 2009-03-25 | 2010-10-07 | Chikami Miltec Inc | 打設装置及び打設方法、並びに、探査装置及び探査方法 |
| JP2013506859A (ja) * | 2009-10-06 | 2013-02-28 | ルイジアナ テック ユニヴァーシティ リサーチ ファンデーション | 埋設物を探知するための方法および装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416949Y2 (zh) | 1992-04-15 |