Patent ID: 8511117

Claim:
A plastic washing-machine tub comprising: a cylindrical wall enclosing an inner tub compartment, which comprises: a first injection-molded plastic tub shell forming a front wall; and a second injection-molded plastic tub shell forming a rear wall and connectable to the first injection-molded tub shell along an assembly plane in a tub closure direction; and an integral bulge emerging from the cylindrical wall and defining a cavity connected to an inner tub compartment, the integral bulge having an inlet and/or an outlet opening and a conduit in the tub closure direction divided by the assembly plane, wherein the conduit places the cavity in communication with the inlet and/or outlet opening, the integral bulge further comprising: a first bulge part in the first injection-molded plastic tub shell; and a second bulge part in the second injection-molded plastic tub shell and divided from the first bulge part by the assembly plane, wherein one of the first bulge part and the second bulge part forms at least part of the inlet and/or outlet opening.