JPS61188689U - - Google Patents
Info
- Publication number
- JPS61188689U JPS61188689U JP7112685U JP7112685U JPS61188689U JP S61188689 U JPS61188689 U JP S61188689U JP 7112685 U JP7112685 U JP 7112685U JP 7112685 U JP7112685 U JP 7112685U JP S61188689 U JPS61188689 U JP S61188689U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- cutting edge
- attached above
- circular ring
- letter
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案の一実施例の正面図、第２図は
同じく側面図、第３図は第１図の―線断面図
、第４図は同じく―線断面図、第５図は同じ
く―線断面図である。
図中、１……本体、２……一文字型ビツト刃、
３……サイドビツト、４……円形リングビツト、
……。
Fig. 1 is a front view of an embodiment of the present invention, Fig. 2 is a side view, Fig. 3 is a cross-sectional view taken along the line - - of Fig. 1, Fig. 4 is a cross-sectional view taken along the - line, and Fig. 5 is the same. -It is a line cross-sectional view. In the figure, 1...Main body, 2...Single character type bit blade,
3...Side bit, 4...Circular ring bit,
…….
Claims (1)
する方向のサイドビツトを取付け、さらにその上
方に円形リングビツトを取付けたことを特徴とす
る地盤掘削用複合ビツト。 1. A composite bit for ground excavation, characterized in that a side bit extending in a direction across the cutting edge is attached above the cutting edge of the single-letter bit, and a circular ring bit is further attached above the side bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7112685U JPS61188689U (en) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7112685U JPS61188689U (en) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188689U true JPS61188689U (en) | 1986-11-25 |
Family
ID=30608338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7112685U Pending JPS61188689U (en) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188689U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5032485U (en) * | 1973-07-24 | 1975-04-09 |
-
1985
- 1985-05-14 JP JP7112685U patent/JPS61188689U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5032485U (en) * | 1973-07-24 | 1975-04-09 |