JPS52120526A - Ventilation device in pit in tunnel construction - Google Patents

Ventilation device in pit in tunnel construction

Info

Publication number
JPS52120526A
JPS52120526A JP3727676A JP3727676A JPS52120526A JP S52120526 A JPS52120526 A JP S52120526A JP 3727676 A JP3727676 A JP 3727676A JP 3727676 A JP3727676 A JP 3727676A JP S52120526 A JPS52120526 A JP S52120526A
Authority
JP
Japan
Prior art keywords
pit
ventilation device
tunnel construction
tunnel
construction
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
JP3727676A
Other languages
Japanese (ja)
Inventor
Motoaki Yano
Osamu Komiyama
Jirou Sakai
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.)
Obayashi Gumi Ltd
Original Assignee
Obayashi Gumi 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 Obayashi Gumi Ltd filed Critical Obayashi Gumi Ltd
Priority to JP3727676A priority Critical patent/JPS52120526A/en
Publication of JPS52120526A publication Critical patent/JPS52120526A/en
Pending legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP3727676A 1976-04-05 1976-04-05 Ventilation device in pit in tunnel construction Pending JPS52120526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3727676A JPS52120526A (en) 1976-04-05 1976-04-05 Ventilation device in pit in tunnel construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3727676A JPS52120526A (en) 1976-04-05 1976-04-05 Ventilation device in pit in tunnel construction

Publications (1)

Publication Number Publication Date
JPS52120526A true JPS52120526A (en) 1977-10-11

Family

ID=12493152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3727676A Pending JPS52120526A (en) 1976-04-05 1976-04-05 Ventilation device in pit in tunnel construction

Country Status (1)

Country Link
JP (1) JPS52120526A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224515A (en) * 2010-04-22 2011-11-10 Furukawa Industrial Machinery Systems Co Ltd Electric dust collector for tunnel construction
JP2014047466A (en) * 2012-08-29 2014-03-17 Shimizu Corp Ventilation system for tunnel construction
JP2014231723A (en) * 2013-05-30 2014-12-11 株式会社大林組 Diffusion prevention device for tunnel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973843A (en) * 1972-11-22 1974-07-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973843A (en) * 1972-11-22 1974-07-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224515A (en) * 2010-04-22 2011-11-10 Furukawa Industrial Machinery Systems Co Ltd Electric dust collector for tunnel construction
JP2014047466A (en) * 2012-08-29 2014-03-17 Shimizu Corp Ventilation system for tunnel construction
JP2014231723A (en) * 2013-05-30 2014-12-11 株式会社大林組 Diffusion prevention device for tunnel

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