JPS6312222Y2 - - Google Patents
Info
- Publication number
- JPS6312222Y2 JPS6312222Y2 JP1982166658U JP16665882U JPS6312222Y2 JP S6312222 Y2 JPS6312222 Y2 JP S6312222Y2 JP 1982166658 U JP1982166658 U JP 1982166658U JP 16665882 U JP16665882 U JP 16665882U JP S6312222 Y2 JPS6312222 Y2 JP S6312222Y2
- Authority
- JP
- Japan
- Prior art keywords
- bit
- cutting
- carbide
- tip
- arms
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000010953 base metal Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910009043 WC-Co Inorganic materials 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16665882U JPS5969285U (ja) | 1982-11-01 | 1982-11-01 | 回転式ロツクビツト |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16665882U JPS5969285U (ja) | 1982-11-01 | 1982-11-01 | 回転式ロツクビツト |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5969285U JPS5969285U (ja) | 1984-05-10 |
JPS6312222Y2 true JPS6312222Y2 (zh) | 1988-04-08 |
Family
ID=30364809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16665882U Granted JPS5969285U (ja) | 1982-11-01 | 1982-11-01 | 回転式ロツクビツト |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5969285U (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5800587B2 (ja) * | 2011-06-16 | 2015-10-28 | 株式会社斜面対策研究所 | 削孔装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5614832A (en) * | 1979-07-17 | 1981-02-13 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection system for internal combustion engine |
-
1982
- 1982-11-01 JP JP16665882U patent/JPS5969285U/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5614832A (en) * | 1979-07-17 | 1981-02-13 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection system for internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JPS5969285U (ja) | 1984-05-10 |
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