Abstract: An improved process for producing a unit, such as a small plastic housing, from two plastic parts in which a first plastic part is produced in a molding production step and has at least one first connection recess, in which a second plastic part is produced in a molding production step and has at least one second connection recess assigned to the first connection recess. The process is characterized by the two plastic parts being joined together such that the first connection recess and second connection recess are located next to one another and a connector pin is inserted into the two connection recesses thus resulting in a tightly joined unit of the two plastic parts.

Abstract: In a high-pressure cleaning apparatus comprising an electric motor arranged in a housing, a high-pressure pump arranged in a housing with at least one piston entering a pump chamber in a sealed manner, and a swash plate carried by a motor shaft protruding from the housing of the electric motor, with the piston or pistons of the high-pressure pump resting in a resilient manner against the swash plate, in order to achieve electrical insulation in the region of the swash plate drive, it is proposed that the transition from the motor shaft via the swash plate to the piston or pistons be electrically interrupted by an electrically insulating material being interposed therebetween.