JPH02135113U - - Google Patents
Info
- Publication number
- JPH02135113U JPH02135113U JP4387589U JP4387589U JPH02135113U JP H02135113 U JPH02135113 U JP H02135113U JP 4387589 U JP4387589 U JP 4387589U JP 4387589 U JP4387589 U JP 4387589U JP H02135113 U JPH02135113 U JP H02135113U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- pipe body
- cutting
- hole
- gun drill
- 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
- 238000005219 brazing Methods 0.000 claims 1
- 239000010730 cutting oil Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4387589U JPH02135113U (de) | 1989-04-14 | 1989-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4387589U JPH02135113U (de) | 1989-04-14 | 1989-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135113U true JPH02135113U (de) | 1990-11-09 |
Family
ID=31556669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4387589U Pending JPH02135113U (de) | 1989-04-14 | 1989-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135113U (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009113207A1 (ja) * | 2008-03-14 | 2009-09-17 | ユニタック株式会社 | ガンドリル |
-
1989
- 1989-04-14 JP JP4387589U patent/JPH02135113U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009113207A1 (ja) * | 2008-03-14 | 2009-09-17 | ユニタック株式会社 | ガンドリル |