发明名称 Drum in dryer and method for fabricating the same
摘要 Drum in a laundry dryer, and method for fabricating the same, wherein the drum in a dryer including a steel layer which forms a base, anti-corrosive metal film on the steel layer, and an organic film on the metal film, and the method includes the steps of providing a metal sheet having a steel layer, a metal film thereon, and an organic film thereon, rolling the metal sheet into a cylinder, and welding abut joining parts, to form a cylindrical drum, reducing diameters of opposite ends of the cylindrical drum, forming beads in a middle portion of the cylindrical drum except the reduced diameter portions, and hemming opposite edges of the cylindrical drum of the reduced diameter portions, to fold the opposite edges, respectively, thereby reducing production cost significantly, preventing easy visibility of dents in an inside circumferential surface of the drum with naked eyes different from the related art, preventing occurrence of rust, and improving bonding strength of the felt which is a sealing material.
申请公布号 US7340849(B2) 申请公布日期 2008.03.11
申请号 US20050059679 申请日期 2005.02.17
申请人 LG ELECTRONICS INC. 发明人 KIM MYONG DOK
分类号 F26B11/02 主分类号 F26B11/02
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