JPH0342397B2 - - Google Patents

Info

Publication number
JPH0342397B2
JPH0342397B2 JP1031484A JP1031484A JPH0342397B2 JP H0342397 B2 JPH0342397 B2 JP H0342397B2 JP 1031484 A JP1031484 A JP 1031484A JP 1031484 A JP1031484 A JP 1031484A JP H0342397 B2 JPH0342397 B2 JP H0342397B2
Authority
JP
Japan
Prior art keywords
reaction force
cylinder
jack
cylindrical body
cylinders
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
JP1031484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60156899A (ja
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 filed Critical
Priority to JP1031484A priority Critical patent/JPS60156899A/ja
Publication of JPS60156899A publication Critical patent/JPS60156899A/ja
Publication of JPH0342397B2 publication Critical patent/JPH0342397B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1031484A 1984-01-25 1984-01-25 初期反力増強装置 Granted JPS60156899A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1031484A JPS60156899A (ja) 1984-01-25 1984-01-25 初期反力増強装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1031484A JPS60156899A (ja) 1984-01-25 1984-01-25 初期反力増強装置

Publications (2)

Publication Number Publication Date
JPS60156899A JPS60156899A (ja) 1985-08-17
JPH0342397B2 true JPH0342397B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-27

Family

ID=11746781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1031484A Granted JPS60156899A (ja) 1984-01-25 1984-01-25 初期反力増強装置

Country Status (1)

Country Link
JP (1) JPS60156899A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS60156899A (ja) 1985-08-17

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Legal Events

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