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1. 发明授权

US5433091A Plastic drum for clothes washing machines 失效
标题翻译：塑料桶洗衣机
公开(公告)号：US5433091A
公开(公告)日：1995-07-18
申请号：US144200
申请日：1993-10-27
申请人： Piero Durazzani , Giorgio Sacchiero
发明人： Piero Durazzani , Giorgio Sacchiero
IPC分类号： B29C49/06 , B29C49/72 , B29C69/00 , B29L22/00 , D06F37/02 , D06F37/04 , D06F21/02
CPC分类号： B29C49/4278 , B29C49/72 , D06F37/04
摘要： Clothes washing machine, in particular of the household type, comprising a tub containing a perforated drum (1) which is formed by an outer cylindrical mantle, a rear plate and an open front wall and is supported by a spider journal, wherein the drum is molded as a single piece by a blow-molding process in which the outer cylindrical mantle of the drum is formed so as to create a plurality of trapezoidally shaped concave ribs (4). The drum has a peripheral rim (6) projecting from the outer portion, in particular from the front outer portion of the cylindrical mantle near the opening, so as to strengthen the structure and enable it to stand the highest expected load stresses. To the peripheral rim, appropriate extensions of the arms of the spider journal are fastened.
摘要翻译：洗衣机，特别是家用型洗衣机，包括一个包含多孔滚筒（1）的桶，该桶由外圆筒形罩，后板和敞开的前壁形成，并由一个蜘蛛轴颈支撑，其中滚筒是通过吹塑工艺模制成单件，其中形成鼓的外圆筒形罩，以便形成多个梯形凹形肋（4）。滚筒具有从外部部分突出的外围边缘（6），特别是从开口附近的圆筒形外壳的前外侧部分突出，以便加强结构并使其能够保持最高的预期载荷应力。对于外围边缘，紧固蜘蛛轴颈的臂的适当延伸部。

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