JPS564714B2 - - Google Patents

Info

Publication number: JPS564714B2
Authority: JP; Japan
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

JP4467073A

Other languages

Japanese (ja)

Other versions

JPS49130031A (en

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.)

1973-04-21

Filing date

1973-04-21

Publication date

1981-01-31

1973-04-21 Application filed filed Critical

1973-04-21 Priority to JP4467073A priority Critical patent/JPS564714B2/ja

1974-12-12 Publication of JPS49130031A publication Critical patent/JPS49130031A/ja

1981-01-31 Publication of JPS564714B2 publication Critical patent/JPS564714B2/ja

Status Expired legal-status Critical Current

Links

Landscapes

Excavating Of Shafts Or Tunnels (AREA)

JP4467073A 1973-04-21 1973-04-21 Expired JPS564714B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP4467073A JPS564714B2 (en)	1973-04-21	1973-04-21

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4467073A JPS564714B2 (en)	1973-04-21	1973-04-21

Publications (2)

Publication Number	Publication Date
JPS49130031A JPS49130031A (en)	1974-12-12
JPS564714B2 true JPS564714B2 (en)	1981-01-31

Family

ID=12697870

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP4467073A Expired JPS564714B2 (en)	1973-04-21	1973-04-21

Country Status (1)

Country	Link
JP (1)	JPS564714B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5812959Y2 (en) *	1978-12-28	1983-03-12	日本電信電話株式会社	Earth pressure shield type tunnel boring machine
JPS56115433A (en) *	1980-02-16	1981-09-10	Nishimatsu Kensetsu Kk	Refilling of earth
JPS58207491A (en) *	1982-05-26	1983-12-02	米井建機株式会社	Shaft bit drilling method and apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4959434A (en) *	1972-10-12	1974-06-10

1973
- 1973-04-21 JP JP4467073A patent/JPS564714B2/ja not_active Expired

Also Published As

Publication number	Publication date
JPS49130031A (en)	1974-12-12

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