发明名称 Drum manufacturing method of washing machine
摘要 Provided is a drum of a washing machine and method for manufacturing the same in which the drum can be rigidly manufactured at a low cost. The method includes forming a plurality of holes on a surface of a metal plate, bending first and second end portions of the metal plate, rolling the metal plate into a shape of a hollow cylinder and engaging the first bent end portion with the second bent end portion, and curling the engaged first and second bent edge portions toward an inner surface of the hollow cylinder and seaming the engaged first and second bent end portions to an outer surface of the hollow cylinder.
申请公布号 KR100657465(B1) 申请公布日期 2006.12.13
申请号 KR20040034561 申请日期 2004.05.15
申请人 发明人
分类号 D06F37/04;D06F29/00;D06F35/00;D06F37/02 主分类号 D06F37/04
代理机构 代理人
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