Method for fabricating a plastic drum and drum obtained thereby.

摘要

Clothes washing machine, in particular of the household type, comprising a tub which 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 said drum is moulded as a single piece by a blow-moulding process in which said outer cylindrical mantle of the drum is formed so as to create a plurality of trapezoidally shaped concave ribs (4). Said 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 said peripheral rim appropriate extensions of the arms of the spider journal are fastened. <IMAGE>