ES176541Y - DEVICE OF COUPLING ELEMENTS, FOR CONSTRUCTION OF UNDERGROUND PASSAGES. - Google Patents

DEVICE OF COUPLING ELEMENTS, FOR CONSTRUCTION OF UNDERGROUND PASSAGES.

Info

Publication number: ES176541Y
Authority: ES; Spain
Prior art keywords: construction; coupling elements; underground passages; underground; passages
Prior art date: 1971-02-22
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

ES1972176541U

Other languages

Spanish (es)

Other versions

ES176541U (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.)

1971-02-22

Filing date

1972-01-26

Publication date

1973-03-01

1972-01-26 Application filed filed Critical

1972-08-01 Publication of ES176541U publication Critical patent/ES176541U/en

1973-03-01 Application granted granted Critical

1973-03-01 Publication of ES176541Y publication Critical patent/ES176541Y/en

Status Expired legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them

Landscapes

Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
Paleontology (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Lining And Supports For Tunnels (AREA)

ES1972176541U 1971-02-22 1972-01-26 DEVICE OF COUPLING ELEMENTS, FOR CONSTRUCTION OF UNDERGROUND PASSAGES. Expired ES176541Y (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT5293971		1971-02-22

Publications (2)

Publication Number	Publication Date
ES176541U ES176541U (en)	1972-08-01
ES176541Y true ES176541Y (en)	1973-03-01

Family

ID=11278687

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES1972176541U Expired ES176541Y (en)	1971-02-22	1972-01-26	DEVICE OF COUPLING ELEMENTS, FOR CONSTRUCTION OF UNDERGROUND PASSAGES.

Country Status (5)

Country	Link
BE (1)	BE778636A (en)
CH (1)	CH547400A (en)
ES (1)	ES176541Y (en)
FR (1)	FR2126202B1 (en)
GB (1)	GB1334827A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2578904B1 (en) *	1985-03-12	1987-07-03	Koeckelberg Sa	PROCESS FOR THE PRODUCTION OF A TUNNEL
CN100570058C (en) *	2007-05-10	2009-12-16	方兴	The asymmetrical type underground passage of bootable natural wind convection current

1972
- 1972-01-21 CH CH547400D patent/CH547400A/en not_active IP Right Cessation
- 1972-01-26 ES ES1972176541U patent/ES176541Y/en not_active Expired
- 1972-01-27 FR FR7203703A patent/FR2126202B1/fr not_active Expired
- 1972-01-28 BE BE778636A patent/BE778636A/en unknown
- 1972-02-22 GB GB804272A patent/GB1334827A/en not_active Expired

Also Published As

Publication number	Publication date
CH547400A (en)	1974-03-29
GB1334827A (en)	1973-10-24
FR2126202A1 (en)	1972-10-06
BE778636A (en)	1972-05-16
FR2126202B1 (en)	1976-07-23
ES176541U (en)	1972-08-01

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