JPH0450491U - - Google Patents
Info
- Publication number
- JPH0450491U JPH0450491U JP9225690U JP9225690U JPH0450491U JP H0450491 U JPH0450491 U JP H0450491U JP 9225690 U JP9225690 U JP 9225690U JP 9225690 U JP9225690 U JP 9225690U JP H0450491 U JPH0450491 U JP H0450491U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- cutting edge
- mounting hole
- cutter bit
- excavation
- 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 5
- 238000009412 basement excavation Methods 0.000 claims 3
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9225690U JP2508131Y2 (ja) | 1990-08-31 | 1990-08-31 | カッタ―ビット |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9225690U JP2508131Y2 (ja) | 1990-08-31 | 1990-08-31 | カッタ―ビット |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0450491U true JPH0450491U (un) | 1992-04-28 |
JP2508131Y2 JP2508131Y2 (ja) | 1996-08-21 |
Family
ID=31828569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9225690U Expired - Lifetime JP2508131Y2 (ja) | 1990-08-31 | 1990-08-31 | カッタ―ビット |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2508131Y2 (un) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013159891A (ja) * | 2012-02-01 | 2013-08-19 | Takashi Matsuyama | カッタービットおよびカッタービットの超硬合金チップ分離方法 |
-
1990
- 1990-08-31 JP JP9225690U patent/JP2508131Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013159891A (ja) * | 2012-02-01 | 2013-08-19 | Takashi Matsuyama | カッタービットおよびカッタービットの超硬合金チップ分離方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2508131Y2 (ja) | 1996-08-21 |