JPH0446185U - - Google Patents
Info
- Publication number
- JPH0446185U JPH0446185U JP8759590U JP8759590U JPH0446185U JP H0446185 U JPH0446185 U JP H0446185U JP 8759590 U JP8759590 U JP 8759590U JP 8759590 U JP8759590 U JP 8759590U JP H0446185 U JPH0446185 U JP H0446185U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- bit
- conical
- outer peripheral
- peripheral side
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
第１図は、本考案コニカルビツトの一実施例を
示す一部を切欠した正面図、第２図は、その側面
図、第３図および第４図は、変形例をそれぞれ示
す正面図である。
１……ビツト本体、４……掘削チツプ、４ａ…
…尖鋭頭部、５……取付け溝。
FIG. 1 is a partially cutaway front view showing one embodiment of the conical bit of the present invention, FIG. 2 is a side view thereof, and FIGS. 3 and 4 are front views showing modified examples, respectively. 1...Bit body, 4...Drilling tip, 4a...
...Sharp head, 5...Mounting groove.
Claims (1)
状の尖鋭頭部４ａを備えた掘削チツプ４が取付け
られるようにしたコニカルビツトにおいて、 前記尖鋭頭部４ａに続くビツト本体１の外周側
部には、取付け溝５が等配され、この取付け溝５
内には、偏摩耗防止用のサイドチツプ６が取付け
られ、その一部を外周側部よりも突出させている
ことを特徴とするコニカルビツト。[Claims for Utility Model Registration] A conical bit in which a drilling tip 4 having a substantially conical sharp head 4a is attached to the tip of a cylindrical bit body 1, which continues from the sharp head 4a. Mounting grooves 5 are evenly distributed on the outer peripheral side of the bit body 1.
A conical bit characterized in that a side tip 6 for preventing uneven wear is attached inside, and a part of the side tip 6 protrudes beyond the outer peripheral side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990087595U JPH0750473Y2 (en) | 1990-08-22 | 1990-08-22 | Conical bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990087595U JPH0750473Y2 (en) | 1990-08-22 | 1990-08-22 | Conical bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0446185U true JPH0446185U (en) | 1992-04-20 |
| JPH0750473Y2 JPH0750473Y2 (en) | 1995-11-15 |
Family
ID=31820071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990087595U Expired - Fee Related JPH0750473Y2 (en) | 1990-08-22 | 1990-08-22 | Conical bit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750473Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5972397A (en) * | 1982-09-17 | 1984-04-24 | ケンナメタル・インコ−ポレイテツド | Multiple insert cutter bit |
| JPS63165688A (en) * | 1986-12-19 | 1988-07-08 | ケンナメタル インコーポレイテツド | Corrosion-resistant cutting chisel on which surface hardening is executed |
-
1990
- 1990-08-22 JP JP1990087595U patent/JPH0750473Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5972397A (en) * | 1982-09-17 | 1984-04-24 | ケンナメタル・インコ−ポレイテツド | Multiple insert cutter bit |
| JPS63165688A (en) * | 1986-12-19 | 1988-07-08 | ケンナメタル インコーポレイテツド | Corrosion-resistant cutting chisel on which surface hardening is executed |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0750473Y2 (en) | 1995-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |