JPS639668Y2 - - Google Patents
Info
- Publication number
- JPS639668Y2 JPS639668Y2 JP16233782U JP16233782U JPS639668Y2 JP S639668 Y2 JPS639668 Y2 JP S639668Y2 JP 16233782 U JP16233782 U JP 16233782U JP 16233782 U JP16233782 U JP 16233782U JP S639668 Y2 JPS639668 Y2 JP S639668Y2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- guide rod
- hole
- taper
- tip guide
- 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 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16233782U JPS59140391U (ja) | 1982-10-28 | 1982-10-28 | 穿孔用工具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16233782U JPS59140391U (ja) | 1982-10-28 | 1982-10-28 | 穿孔用工具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59140391U JPS59140391U (ja) | 1984-09-19 |
| JPS639668Y2 true JPS639668Y2 (en]) | 1988-03-22 |
Family
ID=30356511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16233782U Granted JPS59140391U (ja) | 1982-10-28 | 1982-10-28 | 穿孔用工具 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140391U (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528012Y2 (en]) * | 1987-10-12 | 1993-07-19 |
-
1982
- 1982-10-28 JP JP16233782U patent/JPS59140391U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59140391U (ja) | 1984-09-19 |
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