JPS52113522A - Shield device - Google Patents

Shield device

Info

Publication number
JPS52113522A
JPS52113522A JP2980276A JP2980276A JPS52113522A JP S52113522 A JPS52113522 A JP S52113522A JP 2980276 A JP2980276 A JP 2980276A JP 2980276 A JP2980276 A JP 2980276A JP S52113522 A JPS52113522 A JP S52113522A
Authority
JP
Japan
Prior art keywords
shield device
shield
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.)
Pending
Application number
JP2980276A
Other languages
Japanese (ja)
Inventor
Yukimori Shida
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP2980276A priority Critical patent/JPS52113522A/en
Publication of JPS52113522A publication Critical patent/JPS52113522A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP2980276A 1976-03-22 1976-03-22 Shield device Pending JPS52113522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2980276A JPS52113522A (en) 1976-03-22 1976-03-22 Shield device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2980276A JPS52113522A (en) 1976-03-22 1976-03-22 Shield device

Publications (1)

Publication Number Publication Date
JPS52113522A true JPS52113522A (en) 1977-09-22

Family

ID=12286134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2980276A Pending JPS52113522A (en) 1976-03-22 1976-03-22 Shield device

Country Status (1)

Country Link
JP (1) JPS52113522A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197593U (en) * 1981-06-12 1982-12-15

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4220348Y1 (en) * 1964-02-17 1967-11-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4220348Y1 (en) * 1964-02-17 1967-11-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197593U (en) * 1981-06-12 1982-12-15
JPS6215358Y2 (en) * 1981-06-12 1987-04-18

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