WATER CUT-OFF DEVICE FOR PASSAGE USING WATERPROOF SHEET

PROBLEM TO BE SOLVED: To provide a water cut-off device for passage using a waterproof sheet capable of cutting off water of a flood and others with a higher water level.SOLUTION: A waterproof sheet storage groove is formed on a passage floor surface and a lid for passage is installed in the upper s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIYACHIKA TAKAMASA, ISHIBASHI SHINPEI
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FENCING FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS MASTS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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