Patent ID: 8579532

Claim:
A dosing device having a monolithic roll for dosing liquid detergents, softeners, cleaners, adhesives, paints or other liquids, comprising: a roll ( 3 ) inserted into a holder ( 1 ) of a dosing container ( 2 ), said roll ( 3 ) designed in one piece and having a shaft ( 5 ) and an outer sleeve ( 6 ) spaced radially apart from the shaft ( 5 ) with void space therebetween, said outer sleeve ( 6 ) made of plastic and having recesses ( 7 ) therein, a plurality of spring lamellae ( 4 ) running radially between the shaft ( 5 ) and the outer sleeve ( 6 ), each of the spring lamellae having a thin-walled wavy profile with at least two bends to develop a spring action between the shaft ( 5 ) and the outer sleeve ( 6 ) in the radial direction, the shaft ( 5 ) is rotatably arranged in one journaled bearing ( 11 ) each, and the outer sleeve ( 6 ) is pressed sealingly from the inside against lips ( 25 ) of the holder ( 1 ) by the spring pressure of the spring lamellae ( 4 ).