JPH026795U - - Google Patents
Info
- Publication number
- JPH026795U JPH026795U JP8629288U JP8629288U JPH026795U JP H026795 U JPH026795 U JP H026795U JP 8629288 U JP8629288 U JP 8629288U JP 8629288 U JP8629288 U JP 8629288U JP H026795 U JPH026795 U JP H026795U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- tip
- view
- bit
- cutting bit
- 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
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086292U JPH07550Y2 (ja) | 1988-06-29 | 1988-06-29 | 両方向切削ビット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086292U JPH07550Y2 (ja) | 1988-06-29 | 1988-06-29 | 両方向切削ビット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026795U true JPH026795U (US07642317-20100105-C00010.png) | 1990-01-17 |
| JPH07550Y2 JPH07550Y2 (ja) | 1995-01-11 |
Family
ID=31310931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086292U Expired - Lifetime JPH07550Y2 (ja) | 1988-06-29 | 1988-06-29 | 両方向切削ビット |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07550Y2 (US07642317-20100105-C00010.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0430190U (US07642317-20100105-C00010.png) * | 1990-07-04 | 1992-03-11 | ||
| JP4734735B2 (ja) * | 2001-03-02 | 2011-07-27 | 株式会社タンガロイ | 両方向掘削ビット |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931697U (ja) * | 1982-08-19 | 1984-02-27 | 日立造船株式会社 | シ−ルド掘進機のカツタ− |
| JPS61121293U (US07642317-20100105-C00010.png) * | 1985-01-11 | 1986-07-31 | ||
| JPS62190786U (US07642317-20100105-C00010.png) * | 1986-05-21 | 1987-12-04 |
-
1988
- 1988-06-29 JP JP1988086292U patent/JPH07550Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931697U (ja) * | 1982-08-19 | 1984-02-27 | 日立造船株式会社 | シ−ルド掘進機のカツタ− |
| JPS61121293U (US07642317-20100105-C00010.png) * | 1985-01-11 | 1986-07-31 | ||
| JPS62190786U (US07642317-20100105-C00010.png) * | 1986-05-21 | 1987-12-04 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0430190U (US07642317-20100105-C00010.png) * | 1990-07-04 | 1992-03-11 | ||
| JP4734735B2 (ja) * | 2001-03-02 | 2011-07-27 | 株式会社タンガロイ | 両方向掘削ビット |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07550Y2 (ja) | 1995-01-11 |
