JPS5413628A - Method and device for unattended supporting of pit ceiling board by mechanical excavation - Google Patents
Method and device for unattended supporting of pit ceiling board by mechanical excavationInfo
- Publication number
- JPS5413628A JPS5413628A JP7929177A JP7929177A JPS5413628A JP S5413628 A JPS5413628 A JP S5413628A JP 7929177 A JP7929177 A JP 7929177A JP 7929177 A JP7929177 A JP 7929177A JP S5413628 A JPS5413628 A JP S5413628A
- Authority
- JP
- Japan
- Prior art keywords
- unattended
- supporting
- ceiling board
- mechanical excavation
- pit
- 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.)
- Granted
Links
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7929177A JPS5413628A (en) | 1977-07-02 | 1977-07-02 | Method and device for unattended supporting of pit ceiling board by mechanical excavation |
US05/908,631 US4207016A (en) | 1977-05-31 | 1978-05-23 | Method and apparatus for supporting the wall of an upwardly excavated shaft |
DE2823417A DE2823417C3 (en) | 1977-05-31 | 1978-05-29 | Manhole lining for use in drilling up a manhole and manhole ring for such a manhole lining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7929177A JPS5413628A (en) | 1977-07-02 | 1977-07-02 | Method and device for unattended supporting of pit ceiling board by mechanical excavation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5413628A true JPS5413628A (en) | 1979-02-01 |
JPS5527956B2 JPS5527956B2 (en) | 1980-07-24 |
Family
ID=13685741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7929177A Granted JPS5413628A (en) | 1977-05-31 | 1977-07-02 | Method and device for unattended supporting of pit ceiling board by mechanical excavation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5413628A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665399U (en) * | 1979-10-25 | 1981-06-01 |
-
1977
- 1977-07-02 JP JP7929177A patent/JPS5413628A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665399U (en) * | 1979-10-25 | 1981-06-01 | ||
JPS587277Y2 (en) * | 1979-10-25 | 1983-02-08 | 株式会社 谷口製作所 | electric dry furnace |
Also Published As
Publication number | Publication date |
---|---|
JPS5527956B2 (en) | 1980-07-24 |
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