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
Application number
JP57109377A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59500A (ja
Inventor
Motoyuki Takasu
Hisafumi Ichikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyu Construction Co Ltd
Original Assignee
Tokyu Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyu Construction Co Ltd filed Critical Tokyu Construction Co Ltd
Priority to JP57109377A priority Critical patent/JPS59500A/ja
Publication of JPS59500A publication Critical patent/JPS59500A/ja
Publication of JPS6340920B2 publication Critical patent/JPS6340920B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
JP57109377A 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 Granted JPS59500A (ja)

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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1978-09-22 1980-03-28
JPS5848313Y2 (ja) * 1980-04-07 1983-11-04 三井造船株式会社 吊具

Also Published As

Publication number Publication date
JPS59500A (ja) 1984-01-05

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