JP2540956Y2 - ロックドリルビット - Google Patents
ロックドリルビットInfo
- Publication number
- JP2540956Y2 JP2540956Y2 JP1989026023U JP2602389U JP2540956Y2 JP 2540956 Y2 JP2540956 Y2 JP 2540956Y2 JP 1989026023 U JP1989026023 U JP 1989026023U JP 2602389 U JP2602389 U JP 2602389U JP 2540956 Y2 JP2540956 Y2 JP 2540956Y2
- Authority
- JP
- Japan
- Prior art keywords
- core piece
- center
- chips
- bit body
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989026023U JP2540956Y2 (ja) | 1989-03-07 | 1989-03-07 | ロックドリルビット |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989026023U JP2540956Y2 (ja) | 1989-03-07 | 1989-03-07 | ロックドリルビット |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02116588U JPH02116588U (US06633600-20031014-M00021.png) | 1990-09-18 |
JP2540956Y2 true JP2540956Y2 (ja) | 1997-07-09 |
Family
ID=31247269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989026023U Expired - Lifetime JP2540956Y2 (ja) | 1989-03-07 | 1989-03-07 | ロックドリルビット |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2540956Y2 (US06633600-20031014-M00021.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5719680B2 (ja) * | 2011-05-12 | 2015-05-20 | 岡部株式会社 | 穿孔ビット |
JP5793342B2 (ja) * | 2011-05-12 | 2015-10-14 | 岡部株式会社 | 穿孔ビット |
-
1989
- 1989-03-07 JP JP1989026023U patent/JP2540956Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02116588U (US06633600-20031014-M00021.png) | 1990-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6074137A (en) | Cutting tool assembly | |
US4648760A (en) | Drill and cutting insert therefor | |
JP2504976B2 (ja) | 穴あけ工具 | |
JPS6347564B2 (US06633600-20031014-M00021.png) | ||
US2795979A (en) | Chatterless countersink cutter | |
JP2540956Y2 (ja) | ロックドリルビット | |
JPH0731926Y2 (ja) | 高送り用バニシングドリル | |
US6135680A (en) | Boring tool with staggered rotary cutting inserts | |
JPS6314968Y2 (US06633600-20031014-M00021.png) | ||
JPS62213911A (ja) | 穴明け工具 | |
JPH0771770B2 (ja) | 転削工具 | |
JPH0533202Y2 (US06633600-20031014-M00021.png) | ||
JPH06134611A (ja) | スローアウェイチップおよびスローアウェイ式穴明け工具 | |
JPH0630330Y2 (ja) | ガンドリル | |
JPS6024511Y2 (ja) | ドリルリ−マ | |
JPH0621612Y2 (ja) | スローアウエイチップ | |
JPH0325858Y2 (US06633600-20031014-M00021.png) | ||
JP2558887Y2 (ja) | スローアウェイ式転削工具 | |
JPS6211514U (US06633600-20031014-M00021.png) | ||
JPH0521291Y2 (US06633600-20031014-M00021.png) | ||
JPH0518004Y2 (US06633600-20031014-M00021.png) | ||
JPH0219212Y2 (US06633600-20031014-M00021.png) | ||
JPH0440812Y2 (US06633600-20031014-M00021.png) | ||
JPH0632251Y2 (ja) | 切屑排出溝を有する穿孔工具 | |
JPS5856090Y2 (ja) | ドリル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |