AIR DUCT BRANCH TOOL AND BRANCH STRUCTURE OF AIR DUCT

摘要

PROBLEM TO BE SOLVED: To provide a device and a structure, which can easily form a branch passage from an air duct as needed.SOLUTION: An air duct branch tool is interposed in connections among a plurality of pipe body constituting an air duct. The air duct branch tool comprises at least a set of casings that are integrally configured by being arranged in such a manner as to be sandwiched from inner and outer peripheral surfaces of the pipe bodies. One of the set of casings is provided with a through-hole penetrating in a vertical direction. The other one of the set of casings is provided with a cylinder part capable of being inserted through the through-hole. The inside of the cylinder part is configured as a branch passage that communicates with the inside of the air duct.SELECTED DRAWING: Figure 2