EXPANSION JOINT FOR UNDERGROUND DRIVEWAYS

An expansion joint device for an underground roadway is provided to prevent the leakage of water to the inside of an expansion joint by reducing the defects of the existing sealant joint or a rubber joint. An expansion joint device for an underground roadway comprises a plate(11) formed in the recta...

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Bibliographic Details
Main Author RYU, YONG KEUN
Format Patent
LanguageEnglish
Published 19.01.2009
Subjects
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE
FIXED CONSTRUCTIONS
MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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