Ground actuated drum for making batch of concrete slurry

Claim 1

Apparatus for mixing and transporting a concrete slurry for use in repair work such as repairing bomb craters on the active surface of a runway, comprising: a water and gas sealing rubber container having peripheral and end walls for containing a cement mixture; a pair of plate members closing the end walls of said container; a shaft passing through said container, rotatably supported by said plate members; a tow hitch secured to the ends of said shaft; means for keying the tow hitch to said shaft; a plurality of radially extending paddles secured to said shaft; said paddles being spaced equidistantly along said shaft; means for supplying water to the cement mixture within said container; means, including a gas under pressure within said container, for maintaining the circular shape of said container whereby the peripheral wall of said container can be rolled over the ground toward the repair site to mix the cement and water within the container during transport; an opening in said container for discharging the slurry from the container at the repair site and means for sealing said opening during the transit of the container to the repair site.