INTEGRAL CABLE-TRAY SLEEVE TO PENETRATE THE SLAB

摘要

PURPOSE: A cable tray integrated slab penetrating sleeve is provided to easily control the size of a tray by simply using a filling trestle. CONSTITUTION: A sleeve includes an upper open part and a lower open part by opening the upper and lower sides of a main body. A support frame (130) partially protrudes from the lower open part. A plurality of filling trestle insertion grooves (140) are vertically formed on both inner sides of the main body. A filling trestle (200) is composed of a vertical partition and a support partition and is inserted into the filling trestle insertion groove.