Abstract: Portable metering and mixing apparatus includes a trailer having a hopper thereon divided into two compartments, one compartment for sand material and another compartment for cementitious material. Screw conveyor assemblies, or auger assemblies, receive the materials and convey the materials to a mixer assembly. Different embodiments are disclosed. One embodiment includes a mixing chamber aligned with an auger assembly and to which the mixing chamber materials are fed directly. Another embodiment discloses a separate mixer assembly to which the materials are conveyed by a pair of auger assemblies.

Abstract: Aluminum can recycling and coupon dispenser apparatus includes a housing having a front door and a can receiving slot on the front of the door. Cans fall onto a conveyor belt which transmits or transports the cans to a conduit through which aluminum cans fall to a crusher. Ferrous cans remain on the conveyor held by magnetic elements and are pushed off the conveyor and are discarded. After being crushed for recycling, the cans are transported upwardly by a moving air stream to the upper portion of the housing and the cans fall rearwardly and downwardly to a storage bin where they remain until the bin is transported out of the apparatus. The storage bin may be removed intact and replaced by another storage bin. All of the active elements are secured to the door. The door is pivoted to remove the storage bin containing the crushed cans. Information is displayed while the can crushing is being accomplished and coupons are dispensed in response to user input on a keypad.

Abstract: Portable metering and mixing apparatus includes a trailer having a hopper thereon divided into two compartments, one compartment for aggregate and another compartment for cementitious material. An auger receives aggregate from one compartment and feeds aggregate into a mixing compartment where cementitious material is added, and the resulting mixture is then delivered as required. Metering elements meter the aggregate and the cementitious material as desired, and the metered aggregate and cementitious material are mixed in a mixing chamber. A metering sleeve over the auger insures that only the metered amount of aggregate is conveyed by the auger to the mixing chamber. A second embodiment utilizes only a single hopper which contains premixed aggregate and cementitious material, and the premix is fed to the auger through a metering sleeve. Water is added to the material while in the auger and prior to the mixing chamber.

Abstract: Can crusher apparatus includes a cylindrical housing and a can receiving slot in a lower portion of the cylindrical housing. Cans fall into a conveyor belt which transmits or transports the cans to a conduit which conveys the cans upwardly and to a crusher. Ferrous cans remain in the conveyor by magnetic elements and move off the conveyor and are discarded. After being crushed, the cans are transported upwardly by air pressure or a moving air stream to the upper portion of the housing where they remain until they are transported out of the apparatus. The cans are moved out of the apparatus by air pressure which is the exhaust portion of the air pressure applied to the conduit which transports the cans from the conveyor to the crusher.