ELBOW DUCT AND AN ELBOW DUCT MANUFACTURING METHOD THEREOF

摘要

PURPOSE: An elbow duct and an elbow duct manufacturing method thereof are provided to reduce the manufacturing cost by removing a separate mold to product the elbow duct.;CONSTITUTION: Both ends of the elbow duct are horizontally opened. A transverse section is circle or elliptic shape. A hallow part(11) in which fluid passes is formed inside the elbow duct. The elbow duct is combined with the state where it is cut at a regular interval in a longitudinal direction. A bonding groove(13) is formed at one side of a connecting part and inclined with a specific angle. A binding jaw(14) is inserted in a connecting hole.;COPYRIGHT KIPO 2010