JPS6340920B2 - - Google Patents
Info
- Publication number
- JPS6340920B2 JPS6340920B2 JP57109377A JP10937782A JPS6340920B2 JP S6340920 B2 JPS6340920 B2 JP S6340920B2 JP 57109377 A JP57109377 A JP 57109377A JP 10937782 A JP10937782 A JP 10937782A JP S6340920 B2 JPS6340920 B2 JP S6340920B2
- Authority
- JP
- Japan
- Prior art keywords
- jack
- piston rod
- oil chamber
- pressing
- opening
- 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
- 210000000078 claw Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 23
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 239000010720 hydraulic oil Substances 0.000 description 7
- 244000208734 Pisonia aculeata Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57109377A JPS59500A (ja) | 1982-06-25 | 1982-06-25 | 支保工組立装置におけるチヤツキング装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57109377A JPS59500A (ja) | 1982-06-25 | 1982-06-25 | 支保工組立装置におけるチヤツキング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59500A JPS59500A (ja) | 1984-01-05 |
JPS6340920B2 true JPS6340920B2 (US06265458-20010724-C00056.png) | 1988-08-15 |
Family
ID=14508695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57109377A Granted JPS59500A (ja) | 1982-06-25 | 1982-06-25 | 支保工組立装置におけるチヤツキング装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59500A (US06265458-20010724-C00056.png) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524629A (en) * | 1975-06-27 | 1977-01-13 | Envirotech Corp | Method of building supporting holding work |
JPS5547819U (US06265458-20010724-C00056.png) * | 1978-09-22 | 1980-03-28 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5848313Y2 (ja) * | 1980-04-07 | 1983-11-04 | 三井造船株式会社 | 吊具 |
-
1982
- 1982-06-25 JP JP57109377A patent/JPS59500A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524629A (en) * | 1975-06-27 | 1977-01-13 | Envirotech Corp | Method of building supporting holding work |
JPS5547819U (US06265458-20010724-C00056.png) * | 1978-09-22 | 1980-03-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS59500A (ja) | 1984-01-05 |
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