SLAB MOUNTING DUCT CONNECTION SLEEVE OF THE BUILDING

摘要

The present invention relates to a sleeve for a slab in a building to install vertical ducts capable of maintaining solidity and sealability while conveniently constructing vertical ducts in the sleeve formed on a slab. The vertical ducts (30) are fitted in the upper and lower parts of the sleeve (20) by having a partition connection pipe (50) bent in the upper and lower parts of an attachment part (51) attached while being in contact with the middle of the inner surface of the sleeve (20) to form insertion grooves (52) between the inner surface of the sleeve (20) and the partition connection pipe. A gap between the vertical ducts (30) and the sleeve (20) in a state where the vertical ducts (30) are fitted in the insertion grooves (52) is filled with filling materials (60) to be sealed.