JPH0415689U - - Google Patents
Info
- Publication number
- JPH0415689U JPH0415689U JP5462990U JP5462990U JPH0415689U JP H0415689 U JPH0415689 U JP H0415689U JP 5462990 U JP5462990 U JP 5462990U JP 5462990 U JP5462990 U JP 5462990U JP H0415689 U JPH0415689 U JP H0415689U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- rock
- drill bits
- shaped bit
- holes
- 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
- 239000011435 rock Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5462990U JPH0415689U (en]) | 1990-05-28 | 1990-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5462990U JPH0415689U (en]) | 1990-05-28 | 1990-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415689U true JPH0415689U (en]) | 1992-02-07 |
Family
ID=31576860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5462990U Pending JPH0415689U (en]) | 1990-05-28 | 1990-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415689U (en]) |
-
1990
- 1990-05-28 JP JP5462990U patent/JPH0415689U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2140830A1 (en) | Rock Bit Back Reaming Inserts | |
| JPH0415689U (en]) | ||
| JPH0362190U (en]) | ||
| GB709740A (en) | Tipped chisels, drills and like tools | |
| JPS591538U (ja) | サイドロツクホルダ− | |
| JPH03100011U (en]) | ||
| JPH0243115U (en]) | ||
| JPH0212806U (en]) | ||
| JPS6029607U (ja) | コンクリ−ト材等の穿孔装置 | |
| JPS6357029U (en]) | ||
| JPS5919694Y2 (ja) | ガラス用穴あけダイヤモンドドリル | |
| JPS58145393U (ja) | 鉄筋コンクリ−ト穿孔用ビツト | |
| JPS63104487U (en]) | ||
| JPS60165585U (ja) | ドリルビツト | |
| JPH01175116U (en]) | ||
| JPS5943592U (ja) | ハンマ−ドリル | |
| JPS58106120U (ja) | ボルト差込孔の内径削直用錐 | |
| JPS60135394U (ja) | 岩盤穿孔用ドリルビツト | |
| JPS60105107U (ja) | 木工用木栓切抜錐 | |
| JPS63176011U (en]) | ||
| JPS58106169U (ja) | ハンマ−ドリル等の工具脱着装置 | |
| JPH0473401U (en]) | ||
| GB1023768A (en) | Improvements in drills | |
| JPS6150608U (en]) | ||
| JPS6285592U (en]) |