JPH01105698U - - Google Patents
Info
- Publication number
- JPH01105698U JPH01105698U JP116388U JP116388U JPH01105698U JP H01105698 U JPH01105698 U JP H01105698U JP 116388 U JP116388 U JP 116388U JP 116388 U JP116388 U JP 116388U JP H01105698 U JPH01105698 U JP H01105698U
- Authority
- JP
- Japan
- Prior art keywords
- earth
- excavating
- sand
- comes
- view
- 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
- 238000005266 casting Methods 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例における掘削用刃物
の側面図、第２図は他の実施例における掘削用刃
物の正面図、第３図は同側面図、第４図はシール
ド掘進機の断面図、第５図は従来の掘削用刃物の
平面図、第６図は同側面図である。
１…掘削用刃物、２…掘削刃、３…支持体、３
ａ…外表面部、４…粒状体。
Fig. 1 is a side view of an excavation cutter according to one embodiment of the present invention, Fig. 2 is a front view of an excavation cutter according to another embodiment, Fig. 3 is a side view of the same, and Fig. 4 is a diagram of a shield excavator. A sectional view, FIG. 5 is a plan view of a conventional excavating cutter, and FIG. 6 is a side view of the same. 1...Drilling knife, 2...Drilling blade, 3...Support, 3
a... Outer surface portion, 4... Granular body.
Claims (1)
金の粒状体を鋳ぐるんで形成したことを特徴とす
る掘削用刃物。 A cutting tool for excavating, characterized in that the part that comes into contact with earth and sand and receives earth pressure is formed by casting cemented carbide granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP116388U JPH01105698U (en) | 1988-01-07 | 1988-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP116388U JPH01105698U (en) | 1988-01-07 | 1988-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105698U true JPH01105698U (en) | 1989-07-17 |
Family
ID=31200814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP116388U Pending JPH01105698U (en) | 1988-01-07 | 1988-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04309698A (en) * | 1991-04-09 | 1992-11-02 | Hitachi Constr Mach Co Ltd | Cutter bit for excavating earth and sand |
-
1988
- 1988-01-07 JP JP116388U patent/JPH01105698U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04309698A (en) * | 1991-04-09 | 1992-11-02 | Hitachi Constr Mach Co Ltd | Cutter bit for excavating earth and sand |
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