Patent ID: 6905048

Claim:
A portable apparatus for dispensing a solid material and a liquid material into a mixer, comprising: (a) a drum having an opening therein and sized for receiving and containing a predetermined volume of solid material from a hopper positioned above said drum for allowing free flow of the solid material into the drum, wherein said drum includes a cylindrical side wall and two opposed lateral end walls, and the drum opening is formed in the cylindrical side wall; (b) a discharge assembly for discharging the predetermined volume of solid material from said drum into the mixer; (c) a container for dispensing a predetermined volume of liquid into the mixer for mixing with the solid material; and (d) a support frame for mounting said drum, said hopper and said container in an elevated position above the mixer; and (e) a containment shield positioned adjacent to the cylindrical side wall of said drum and adapted to conform to the cylindrical sidewall and cover the drum opening as the drum is rotated between the receiving and dispensing positions whereby the containment shield prevents escape of the solid material through the drum opening while positioned between the receiving and dispensing positions, and wherein said containment shield includes first and second ends, said first end pivotally connected to said support frame.