JPH0312638B2 - - Google Patents
Info
- Publication number
- JPH0312638B2 JPH0312638B2 JP24795084A JP24795084A JPH0312638B2 JP H0312638 B2 JPH0312638 B2 JP H0312638B2 JP 24795084 A JP24795084 A JP 24795084A JP 24795084 A JP24795084 A JP 24795084A JP H0312638 B2 JPH0312638 B2 JP H0312638B2
- Authority
- JP
- Japan
- Prior art keywords
- wear
- bit
- cutter
- detection
- metal rod
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 62
- 239000002184 metal Substances 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24795084A JPS61126298A (ja) | 1984-11-26 | 1984-11-26 | シ−ルド掘進機における摩耗検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24795084A JPS61126298A (ja) | 1984-11-26 | 1984-11-26 | シ−ルド掘進機における摩耗検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61126298A JPS61126298A (ja) | 1986-06-13 |
JPH0312638B2 true JPH0312638B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-20 |
Family
ID=17170956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24795084A Granted JPS61126298A (ja) | 1984-11-26 | 1984-11-26 | シ−ルド掘進機における摩耗検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61126298A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4600686B2 (ja) * | 2002-04-18 | 2010-12-15 | 五洋建設株式会社 | シールド掘進機 |
-
1984
- 1984-11-26 JP JP24795084A patent/JPS61126298A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61126298A (ja) | 1986-06-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |