JPH0750470Y2 - 回転穿孔具 - Google Patents
回転穿孔具Info
- Publication number
- JPH0750470Y2 JPH0750470Y2 JP13615489U JP13615489U JPH0750470Y2 JP H0750470 Y2 JPH0750470 Y2 JP H0750470Y2 JP 13615489 U JP13615489 U JP 13615489U JP 13615489 U JP13615489 U JP 13615489U JP H0750470 Y2 JPH0750470 Y2 JP H0750470Y2
- Authority
- JP
- Japan
- Prior art keywords
- inner cylinder
- adapter
- peripheral surface
- cylinder
- 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 - Lifetime
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13615489U JPH0750470Y2 (ja) | 1989-11-25 | 1989-11-25 | 回転穿孔具 |
EP90312600A EP0430536B1 (en) | 1989-11-25 | 1990-11-20 | Drill |
DE69007241T DE69007241T2 (de) | 1989-11-25 | 1990-11-20 | Hohlbohrer. |
US07/616,318 US5092716A (en) | 1989-11-25 | 1990-11-21 | Drill and method for using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13615489U JPH0750470Y2 (ja) | 1989-11-25 | 1989-11-25 | 回転穿孔具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0376089U JPH0376089U (es) | 1991-07-30 |
JPH0750470Y2 true JPH0750470Y2 (ja) | 1995-11-15 |
Family
ID=31683378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13615489U Expired - Lifetime JPH0750470Y2 (ja) | 1989-11-25 | 1989-11-25 | 回転穿孔具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0750470Y2 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114135234B (zh) * | 2021-12-13 | 2022-08-16 | 河南黄河旋风股份有限公司 | 自适应收放水管的钻进系统 |
-
1989
- 1989-11-25 JP JP13615489U patent/JPH0750470Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0376089U (es) | 1991-07-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8091452B2 (en) | Method for manufacturing drill head | |
EP2006043A1 (en) | Deep hole drilling machine | |
US20110280675A1 (en) | Method for Forming Through-Hole | |
BR0309737B1 (pt) | método para produzir um compacto de metal pulverizado em um conjunto de punção e matriz, e cabeça de corte. | |
WO2011093482A1 (ja) | 有底孔部を有する部材の製造方法及び、加工工具 | |
JPH0750470Y2 (ja) | 回転穿孔具 | |
JPS6240781Y2 (es) | ||
EP1279464A1 (de) | Werkzeug mit einer Absaughaube | |
JP2892123B2 (ja) | 穿孔方法 | |
JP5072497B2 (ja) | 切削工具およびそれを用いた切削方法 | |
JP4142930B2 (ja) | 深穴切削具 | |
JP4057936B2 (ja) | 深孔切削具 | |
JPH02114413U (es) | ||
JP2507238Y2 (ja) | 面取チップを有するツ―ル | |
JPH1071517A (ja) | 孔開け工具及び孔開け工具用芯出し治具並びに孔開け工具による孔開け方法 | |
JP2890190B1 (ja) | 配水用ポリエチレン管の穿孔用ホルソ | |
CN210498410U (zh) | 切削刀具 | |
JPH0525985A (ja) | 回転穿孔具 | |
CN211192177U (zh) | 一种用于阀套加工的扁钻 | |
KR101109945B1 (ko) | 코어 커터 | |
JP2511065Y2 (ja) | 油供給路付き工具 | |
JP4047703B2 (ja) | 深穴切削具 | |
JP4272021B2 (ja) | 深孔切削具 | |
JP4201627B2 (ja) | 深孔切削具 | |
JPH06170683A (ja) | 切屑吸引式転削工具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |