DRAIN WATER STOP DEVICE AND WATER LEAKAGE TEST METHOD OF STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a drain water stop device which makes it possible to stuff drain definitely and inspect the presence of water leakage with high accuracy. ;SOLUTION: There is provided an energizing area 13 which energizes a water stop cover which covers an inside opening 30 of a drain 33 to the side of the drain 33. This energizing area 13 is formed with a locking area 16 which is locked with the end edge of an outside opening 40 of the drain 33 and a connecting tug area 17 which attracts a water stop cover 11 to the drain 33 by the locking area 16 to the water stop cover 11.;COPYRIGHT: (C)1997,JPO