JPS6281693U - - Google Patents
Info
- Publication number
- JPS6281693U JPS6281693U JP17276885U JP17276885U JPS6281693U JP S6281693 U JPS6281693 U JP S6281693U JP 17276885 U JP17276885 U JP 17276885U JP 17276885 U JP17276885 U JP 17276885U JP S6281693 U JPS6281693 U JP S6281693U
- Authority
- JP
- Japan
- Prior art keywords
- base
- tip
- pyramid
- rear end
- utility
- 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 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Description
第１図はこの考案の実施例を示す側面図、第２
図は同背面図、第３図は同使用状態を示す部分破
断側面図、第４図は従来のビツトを示す側面図で
ある。
１…削孔ビツト、１ａ…先端部、１ｂ…後端部
、６…噴水口、Ａ…稜線部。
Figure 1 is a side view showing an embodiment of this invention, Figure 2 is a side view showing an embodiment of this invention.
3 is a partially cutaway side view showing the same state of use, and FIG. 4 is a side view showing the conventional bit. 1... Drilling bit, 1a... Tip part, 1b... Rear end part, 6... Fountain port, A... Ridgeline part.
Claims (1)
らなり、前記先端部の基端後方に噴水口を設けて
なることを特徴とする削孔ビツト。 1. A drilling bit comprising a pyramid-shaped tip and a rear end thinner than the base thereof, and comprising a water fountain provided at the rear of the base of the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17276885U JPS6281693U (en) | 1985-11-09 | 1985-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17276885U JPS6281693U (en) | 1985-11-09 | 1985-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281693U true JPS6281693U (en) | 1987-05-25 |
Family
ID=31109605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17276885U Pending JPS6281693U (en) | 1985-11-09 | 1985-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013209828A (en) * | 2012-03-30 | 2013-10-10 | Osaka Bosui Constr Co Ltd | Tip bit and drilling apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313562A (en) * | 1976-07-23 | 1978-02-07 | Shin Meiwa Ind Co Ltd | Device for closing and opening cover of container in comparator and container |
-
1985
- 1985-11-09 JP JP17276885U patent/JPS6281693U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313562A (en) * | 1976-07-23 | 1978-02-07 | Shin Meiwa Ind Co Ltd | Device for closing and opening cover of container in comparator and container |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013209828A (en) * | 2012-03-30 | 2013-10-10 | Osaka Bosui Constr Co Ltd | Tip bit and drilling apparatus |