JPS53147603A - Pressure system supporting and holding frame for unmanned execution of ore chute sideewall supporting and holding - Google Patents
Pressure system supporting and holding frame for unmanned execution of ore chute sideewall supporting and holdingInfo
- Publication number
- JPS53147603A JPS53147603A JP6364477A JP6364477A JPS53147603A JP S53147603 A JPS53147603 A JP S53147603A JP 6364477 A JP6364477 A JP 6364477A JP 6364477 A JP6364477 A JP 6364477A JP S53147603 A JPS53147603 A JP S53147603A
- Authority
- JP
- Japan
- Prior art keywords
- supporting
- holding
- sideewall
- pressure system
- ore chute
- 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 |
---|---|---|---|
JP6364477A JPS53147603A (en) | 1977-05-31 | 1977-05-31 | Pressure system supporting and holding frame for unmanned execution of ore chute sideewall supporting and holding |
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 |
---|---|---|---|
JP6364477A JPS53147603A (en) | 1977-05-31 | 1977-05-31 | Pressure system supporting and holding frame for unmanned execution of ore chute sideewall supporting and holding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53147603A true JPS53147603A (en) | 1978-12-22 |
JPS5531265B2 JPS5531265B2 (en) | 1980-08-16 |
Family
ID=13235258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6364477A Granted JPS53147603A (en) | 1977-05-31 | 1977-05-31 | Pressure system supporting and holding frame for unmanned execution of ore chute sideewall supporting and holding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53147603A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57180022A (en) * | 1981-04-28 | 1982-11-05 | Iwatsu Electric Co Ltd | Operator actuating mechanism |
-
1977
- 1977-05-31 JP JP6364477A patent/JPS53147603A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5531265B2 (en) | 1980-08-16 |
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