JPS51133949A - Ventilation device in top open type tunnel - Google Patents

Ventilation device in top open type tunnel

Info

Publication number
JPS51133949A
JPS51133949A JP5808075A JP5808075A JPS51133949A JP S51133949 A JPS51133949 A JP S51133949A JP 5808075 A JP5808075 A JP 5808075A JP 5808075 A JP5808075 A JP 5808075A JP S51133949 A JPS51133949 A JP S51133949A
Authority
JP
Japan
Prior art keywords
ventilation device
open type
type tunnel
top open
tunnel
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.)
Granted
Application number
JP5808075A
Other languages
Japanese (ja)
Other versions
JPS5432546B2 (en
Inventor
Atsutaka Fujii
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.)
KYOEI SEIKOU KK
Kyoei Steel Ltd
Original Assignee
KYOEI SEIKOU KK
Kyoei Steel 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 KYOEI SEIKOU KK, Kyoei Steel Ltd filed Critical KYOEI SEIKOU KK
Priority to JP5808075A priority Critical patent/JPS51133949A/en
Publication of JPS51133949A publication Critical patent/JPS51133949A/en
Publication of JPS5432546B2 publication Critical patent/JPS5432546B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)

Abstract

PURPOSE: To provide a satisfactory ventilation in a top-open-type tunnel.
COPYRIGHT: (C)1976,JPO&Japio
JP5808075A 1975-05-14 1975-05-14 Ventilation device in top open type tunnel Granted JPS51133949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5808075A JPS51133949A (en) 1975-05-14 1975-05-14 Ventilation device in top open type tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5808075A JPS51133949A (en) 1975-05-14 1975-05-14 Ventilation device in top open type tunnel

Publications (2)

Publication Number Publication Date
JPS51133949A true JPS51133949A (en) 1976-11-20
JPS5432546B2 JPS5432546B2 (en) 1979-10-15

Family

ID=13073928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5808075A Granted JPS51133949A (en) 1975-05-14 1975-05-14 Ventilation device in top open type tunnel

Country Status (1)

Country Link
JP (1) JPS51133949A (en)

Also Published As

Publication number Publication date
JPS5432546B2 (en) 1979-10-15

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