Abstract: A mixing valve nozzle for homogeneously mixing two fluid streams and dispensing a predetermined quantity of fluid into a container, the mixing valve having a housing with a centrally disposed valve stem, an inlet port, an outlet port and a second inlet port disposed therebetween, the valve stem having mixing means rotatably secured thereto comprising a plurality of mixing plugs axially mounted on the valve stem, each mixing plug containing a plurality of nonaligned conduit passageways to homogeneously mix the fluid entering the mixing valve nozzle from the first inlet and the fluid entering the mixing valve from the second inlet, during the dispensing phase.

Abstract: A wiper is shifted between high and low wiping pressures by thermally responsive shape memory wires that shift an overcenter spring lever between two stable positions.