JPS6231498Y2 - - Google Patents
Info
- Publication number
- JPS6231498Y2 JPS6231498Y2 JP1981029111U JP2911181U JPS6231498Y2 JP S6231498 Y2 JPS6231498 Y2 JP S6231498Y2 JP 1981029111 U JP1981029111 U JP 1981029111U JP 2911181 U JP2911181 U JP 2911181U JP S6231498 Y2 JPS6231498 Y2 JP S6231498Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- support member
- bracket
- guide cell
- hole
- 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
- 238000005553 drilling Methods 0.000 claims description 17
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981029111U JPS6231498Y2 (US06272168-20010807-M00014.png) | 1981-03-02 | 1981-03-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981029111U JPS6231498Y2 (US06272168-20010807-M00014.png) | 1981-03-02 | 1981-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57142087U JPS57142087U (US06272168-20010807-M00014.png) | 1982-09-06 |
JPS6231498Y2 true JPS6231498Y2 (US06272168-20010807-M00014.png) | 1987-08-12 |
Family
ID=29826727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981029111U Expired JPS6231498Y2 (US06272168-20010807-M00014.png) | 1981-03-02 | 1981-03-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6231498Y2 (US06272168-20010807-M00014.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0830396B2 (ja) * | 1992-10-15 | 1996-03-27 | 政敏 内橋 | 油圧式ショベル系掘削機用削孔装置 |
JP5946055B2 (ja) * | 2011-12-22 | 2016-07-05 | ライト工業株式会社 | 削孔機取付用ブラケット及び削孔システム |
JP2021116574A (ja) * | 2020-01-24 | 2021-08-10 | 鹿島建設株式会社 | トンネル掘削方法及びトンネル掘削機 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS514963Y2 (US06272168-20010807-M00014.png) * | 1971-09-06 | 1976-02-12 |
-
1981
- 1981-03-02 JP JP1981029111U patent/JPS6231498Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57142087U (US06272168-20010807-M00014.png) | 1982-09-06 |
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