the die 20 more specifically in embodiments the plunger 50 is sealed on the mixer tank 5 and the motor 60 supplies power to the screw driven shaft 55 to lower the plunger 50 within the mixer tank 5 in this way the plunger 50 forces material 80 through the die 20 of the mixer tank 5 in embodiments the plunger 50 is a screw type plunger however it should be understood by those of skill in the art that other types of plungers are contemplated by the present invention fig5 shows material 80 being discharged from the die 20 of the mixer tank 5 and guided through a water bath 85 the water bath 85 is used to maintain a stable temperature of the material 80 fig5 further shows the material 80 guided through a pellitizer 90 which produces pellets 95 of different sizes and with different mechanical properties depending on the desired pellet type in embodiments the pelletizer 90 uses both mechanical force and thermal processes to produce the desired pellet properties as a result the discharged material 80 is transformed into pellets 95 as thus should now be understood a method of mixing and blending material e g polymeric material and or food products can be achieved with the batch mixer of the present invention for example material is placed within the mixer tank 5 and the mixing head 29 is placed on the mixer tank 5 the mixing head 29 is activated and more specifically the one or more mixer blades begin to mix the material within the mixing tank 5 once a desired residence time is achieved the mixing head 29 is removed from the mixing tank 5 for example the mixing head 29 can be lifted.