发明名称 Method and apparatus of manufacturing drum
摘要 An apparatus and method of manufacturing a drum, for use in an appliance such as a dryer, that prevents noise and vibration during operation. The method involves forming a cylindrical drum; reducing a diameter at both ends of the drum; forming beads in a central part of the drum; and bending both edges of the drum.
申请公布号 US7353684(B2) 申请公布日期 2008.04.08
申请号 US20040860153 申请日期 2004.06.04
申请人 LG ELECTRONICS INC. 发明人 LEE SOON JO
分类号 B21D41/00;D06F37/04;B21B15/00;B21D22/00;B21D22/16;B21D41/04;B21D51/18;B21D53/26;B21D53/34;D06F37/02;D06F39/12;D06F58/04;D06F58/20 主分类号 B21D41/00
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