A spraying bowl for a liquid coating product, wherein the spraying bowl is to be incorporated into a rotary coating product sprayer, the spraying bowl comprising a body centred on a longitudinal axis and which defines a radial internal surface for distributing the coating product as far as a circular spraying edge centred on the longitudinal axis and equipped with notches formed in the radial internal surface and evenly distributed around its circumference, wherein:
- the notches have a linear density along the circular spraying edge that is greater than or equal to 4 notches per millimetre;
- and
- each notch has an opening angle that is less than or equal to 45°.