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.)
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.)
BIRKENFELDER TON und ZIEGELWER
Original Assignee
BIRKENFELDER TON und ZIEGELWER
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 BIRKENFELDER TON und ZIEGELWERfiledCriticalBIRKENFELDER TON und ZIEGELWER
Application grantedgrantedCritical
Publication of FR728181ApublicationCriticalpatent/FR728181A/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
E21D11/04—Lining with building materials
E21D11/06—Lining with building materials with bricks
Landscapes
Engineering & Computer Science
(AREA)
Architecture
(AREA)
Structural Engineering
(AREA)
Mining & Mineral Resources
(AREA)
Civil Engineering
(AREA)
Life Sciences & Earth Sciences
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geochemistry & Mineralogy
(AREA)
Geology
(AREA)
FR728181D1931-12-121931-12-12Brique pour le revêtement de l'extrados des tunnels
ExpiredFR728181A
(fr)