JPS6180883U - - Google Patents
Info
- Publication number
- JPS6180883U JPS6180883U JP16301984U JP16301984U JPS6180883U JP S6180883 U JPS6180883 U JP S6180883U JP 16301984 U JP16301984 U JP 16301984U JP 16301984 U JP16301984 U JP 16301984U JP S6180883 U JPS6180883 U JP S6180883U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- slit
- attached
- drilling tool
- tool
- 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
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図から第４図は本考案の実施例を示すもの
で、第１図は正面図、第２図は第１図の−線
に沿う断面図、第８図は作業説明図、第４図は孔
の形状を示す断面図、第５図は従来の穿孔工具を
示す正面図、第６図は発破作業現場を示す斜視図
である。
１はビツト、３はロツド、５はスリツト用工具
、５ａは翼片、６は切刃、９は孔。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a sectional view taken along the - line in FIG. 1, FIG. The figure is a sectional view showing the shape of a hole, FIG. 5 is a front view showing a conventional drilling tool, and FIG. 6 is a perspective view showing a blasting work site. 1 is a bit, 3 is a rod, 5 is a slitting tool, 5a is a wing piece, 6 is a cutting edge, and 9 is a hole.
Claims (1)
穿孔工具において、ビツト１と共に穿孔された孔
９内に入るロツド部に、少なくとも軸方向ビツト
側に切刃６を設けた翼片５ａ，５ｂを外側に突設
したスリツト用工具５を回転自在に嵌合したこと
を特徴とする穿孔工具。 In a drilling tool in which a bit 1 is attached to the tip of a rotating rod 3, blades 5a and 5b, which are provided with a cutting edge 6 at least on the bit side in the axial direction, are attached to the outside of the rod portion that enters a hole 9 drilled together with the bit 1. A drilling tool characterized in that a slit tool 5 protruding from the slit is rotatably fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16301984U JPS6180883U (en) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16301984U JPS6180883U (en) | 1984-10-30 | 1984-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180883U true JPS6180883U (en) | 1986-05-29 |
Family
ID=30720881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16301984U Pending JPS6180883U (en) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180883U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5712793A (en) * | 1980-06-27 | 1982-01-22 | Toyo Kogyo Co | Drilling of grooved hole |
-
1984
- 1984-10-30 JP JP16301984U patent/JPS6180883U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5712793A (en) * | 1980-06-27 | 1982-01-22 | Toyo Kogyo Co | Drilling of grooved hole |