JPH0416234Y2 - - Google Patents
Info
- Publication number
- JPH0416234Y2 JPH0416234Y2 JP5245987U JP5245987U JPH0416234Y2 JP H0416234 Y2 JPH0416234 Y2 JP H0416234Y2 JP 5245987 U JP5245987 U JP 5245987U JP 5245987 U JP5245987 U JP 5245987U JP H0416234 Y2 JPH0416234 Y2 JP H0416234Y2
- Authority
- JP
- Japan
- Prior art keywords
- tooth tip
- holder
- bit
- drill
- tip
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000013459 approach Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5245987U JPH0416234Y2 (enExample) | 1987-04-06 | 1987-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5245987U JPH0416234Y2 (enExample) | 1987-04-06 | 1987-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63159788U JPS63159788U (enExample) | 1988-10-19 |
| JPH0416234Y2 true JPH0416234Y2 (enExample) | 1992-04-10 |
Family
ID=30877644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5245987U Expired JPH0416234Y2 (enExample) | 1987-04-06 | 1987-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416234Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5859079B2 (ja) * | 2014-09-03 | 2016-02-10 | 有限会社清和実業 | オーガスクリュー |
-
1987
- 1987-04-06 JP JP5245987U patent/JPH0416234Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63159788U (enExample) | 1988-10-19 |
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