B05B 12/1445

Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials {or several in selected proportions} to a {spray apparatus, e.g. to a} single spray outlet {for supplying several liquids or other fluent materials in selected proportions to a single spray outlet pumping means for the liquids or other fluent materials being mechanically linked, e.g. master and slave pumps}