JPS54121528A - Cave excavation method and its device - Google Patents

Cave excavation method and its device

Info

Publication number
JPS54121528A
JPS54121528A JP2859678A JP2859678A JPS54121528A JP S54121528 A JPS54121528 A JP S54121528A JP 2859678 A JP2859678 A JP 2859678A JP 2859678 A JP2859678 A JP 2859678A JP S54121528 A JPS54121528 A JP S54121528A
Authority
JP
Japan
Prior art keywords
excavation method
cave excavation
cave
excavation
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
JP2859678A
Other languages
Japanese (ja)
Inventor
Minoru Yamamoto
Hironosuke Miyata
Yoshiharu Kiritani
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.)
SATO KOUGIYOU KK
Original Assignee
SATO KOUGIYOU KK
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 SATO KOUGIYOU KK filed Critical SATO KOUGIYOU KK
Priority to JP2859678A priority Critical patent/JPS54121528A/en
Publication of JPS54121528A publication Critical patent/JPS54121528A/en
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP2859678A 1978-03-15 1978-03-15 Cave excavation method and its device Pending JPS54121528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2859678A JPS54121528A (en) 1978-03-15 1978-03-15 Cave excavation method and its device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2859678A JPS54121528A (en) 1978-03-15 1978-03-15 Cave excavation method and its device

Publications (1)

Publication Number Publication Date
JPS54121528A true JPS54121528A (en) 1979-09-20

Family

ID=12252962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2859678A Pending JPS54121528A (en) 1978-03-15 1978-03-15 Cave excavation method and its device

Country Status (1)

Country Link
JP (1) JPS54121528A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221995A (en) * 1985-07-22 1987-01-30 飛島建設株式会社 Shielding excavator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48904U (en) * 1971-05-27 1973-01-08
JPS5025529U (en) * 1973-06-29 1975-03-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48904U (en) * 1971-05-27 1973-01-08
JPS5025529U (en) * 1973-06-29 1975-03-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221995A (en) * 1985-07-22 1987-01-30 飛島建設株式会社 Shielding excavator

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