Abstract: An applicator for combining and applying components of a multi-part curable system includes a proportioning valve having a body with a plurality of separate internal passageways, each communicating with a separate inlet recess and a separate outlet opening maintaining each component in separate condition in the valve. Each inlet recess is adapted to be connected to a source of one component of a multi-part curable system and the discharge openings discharge the two components separately from a common nose into an attached static mixing applicator nozzle.

Abstract: A self-purging auxiliary fluid supply system for supplying washout or makeup water or other fluids under pressure to a truck-mounted concrete mixing/dispensing drum is disclosed. The system includes a truck-mounted fluid reservoir for containing a quantity of fluid connected to supply fluid to an air-operated diaphragm pump connected to supply auxiliary fluid from the fluid reservoir under pressure to a discharge assembly. The pump further provides an integral purge system for displacing fluid in the fluid supply system after use.

Abstract: An integrally mounted apparatus for washing out vehicle-mounted concrete mixing drums is disclosed. The washout apparatus includes an open-ended elongate, relatively rigid shaped hollow guide tube mounted in fixed relation to the support structure support of an inclined mixing drum and extending in fixed relation to the open end of the drum between the fins and charge hopper. A flexible hollow hose is threaded through the guide tube. The hose has a receiving end connected with a source of cleaning fluid under pressure and a discharge end which protrudes from the end of the guide tube as it ends inside the open end of the mixing drum. A forward hose stop is provided for preventing the hose from slipping back down through the guide tube and a rear hose stop is provided for limiting the travel of the discharge end of the hose outward from the end of the guide tube.

Abstract: The disclosure describes a packing control system for a rear loading, rear discharge refuse packing body that enables adjustability in the overall weight distribution of the packed refuse. The packing density control system involves controlling the resistance of the packing/ejection panel against which refuse is packed in a rear loading refuse collection truck body so that the force necessary to cause the panel to retreat toward the front of the truck as refuse is packed in front of it can be varied in accordance with the desired density profile of the load as it is packed.

Abstract: A refuse collection vehicle for loading, compacting, transporting and ejecting refuse materials is disclosed including a hollow refuse storage enclosure having a forward refuse receiving opening, and a rear refuse discharge opening closed by a tailgate. A generally full width charging hopper is located forward of the storage enclosure for receiving refuse from refuse containers, the charging hopper having sidewalls and a floor and being in communication with the storage enclosure. A variable stroke followerless packer-ejector panel mechanism is provided to move refuse materials to the sweep charging hopper, pack the refuse materials into the storage enclosure and fully eject the refuse materials from the storage enclosure. The truck body accommodates one or more container handling devices selected from narrow profile side-loading and front-loading container handling devices or a combination thereof for emptying containers into the charging hopper.

Abstract: A container handling mechanism suitable for mounting on the side of a refuse vehicle for loading material from refuse containers is disclosed that includes a lift assembly, having a pair of spaced, generally parallel lift support members, attachable to a refuse vehicle, a carriage device reciprocally operable along the lift support members of the lift assembly, a container grabbing system carried by the carriage device and further including a pair of opposed grabber fingers and an actuator system for closing and opening the grabber fingers to engage and release containers of interest, the container grabbing system being vertically pivotable on a short radius for adjusting the position of and tipping a container. A chain and cylinder drive system operates the carriage device along the lift assembly, and a control system controls operation of the container handling mechanism.

Abstract: A manual/automatic side loading and rear discharge refuse collection truck body as disclosed which incorporates full ejection without truck body tipping. A unique packing system as provided which includes a low profile packer panel which operates in a low profile charging material receiving hopper which also features lowered or dropped floor to facilitate optional manual loading. The charging hopper features a low profile which creates a dropper area beneath the forward portion of the storage enclosure so that material deposited in the charging hopper can be fed by the packing system into the storage enclosure through a bottom forward charging opening. A packer-ejector assist panel is provided to assist in clearing material from the dropped area portion of the charging hopper.

Abstract: A pre-mixer agglomerator and method of pre-mixing batching ingredients used to produce concrete mixes is disclosed. Specifically, this invention involves a pre-mix system which blends the wetting agents and the cementitious ingredients in relation to each other at any selected ratio in an adjustable and repeatable manner. The pre-mixer is a twin screw, preferably counter-rotating, pre-mixer agglomerator unit for pre-mixing these materials prior to combining them with aggregates in a drum of a transit mixer truck or other final mixing vessel.

Abstract: A concrete batch mixing system and method are disclosed that enable the batch master to measure and control both the water and cementitious ingredient feeds in relation to each other so as to be able to blend the two ingredients in a known, selected, adjustable and repeatable manner, and to agglomerate these ingredients in a counter-rotating twin screw mixing apparatus for use in the preparation of batches of mixed concrete in a concrete batching process.

Abstract: A manual/automatic side loading and rear discharge refuse collection truck body as disclosed which incorporates full ejection without truck body tipping. A unique packing system as provided which includes a low profile packer panel which operates in a low profile charging material receiving hopper which also features lowered or dropped floor to facilitate optional manual loading. The charging hopper features a low profile which creates a dropped area beneath the forward portion of the storage enclosure so that material deposited in the charging hopper can be fed by the packing system into the storage enclosure through a bottom forward charging opening. A packer-ejector assist panel is provided to assist in clearing material from the dropped area portion of the charging hopper.

Abstract: The disclosure describes a packing control system for a rear loading, rear discharge refuse packing body that enables adjustability in the overall weight distribution of the packed refuse. The packing density control system involves controlling the resistance of the packing/ejection panel against which refuse is packed in a rear loading refuse collection truck body so that the force necessary to cause the panel to retreat toward the front of the truck as refuse is packed in front of it can be varied in accordance with the desired density profile of the load as it is packed.

Abstract: A refuse collection vehicle for loading, compacting, transporting and ejecting refuse materials is disclosed including a hollow refuse storage enclosure having a forward refuse receiving opening, and a rear refuse discharge opening closed by a tailgate. A generally full width charging hopper is located forward of the storage enclosure for receiving refuse from refuse containers, the charging hopper having sidewalls and a floor and being in communication with the storage enclosure. A variable stroke followerless packer-ejector panel mechanism is provided to move refuse materials to the sweep charging hopper, pack the refuse materials into the storage enclosure and fully eject the refuse materials from the storage enclosure. The truck body accommodates one or more container handling devices selected from narrow profile side-loading and front-loading container handling devices or a combination thereof for emptying containers into the charging hopper.

Abstract: A vessel-mounted concrete mixing system is disclosed that includes a barge having a deck elevated above the water line, at least one rotary mixing drum mounted on the deck to receive, mix and discharge concrete batch ingredients and a conveyor system for conveying mixed concrete batch material discharged from one or more rotary mixing drums, the conveyor system conveying the discharge mixed concrete to a portion of the barge accessible by an off-loading device not mounted on the barge.

Abstract: A two-piece charge hopper assembly for a concrete transit mixing vehicle of the rear-discharge type is disclosed in which a lower, movable portion including the hopper discharge lip is enabled to swing out of the way of discharging concrete while the upper body of the charge hopper remains in a fixed position which is accomplished by the use of a simple pivot mechanism.

Abstract: A manual/automatic side loading and rear discharge refuse collection truck body as disclosed which incorporates full ejection without truck body tipping. A unique packing system as provided which includes a low profile packer panel which operates in a low profile charging material receiving hopper which also features lowered or dropped floor to facilitate optional manual loading. The charging hopper features a low profile which creates a dropped area beneath the forward portion of the storage enclosure so that material deposited in the charging hopper can be fed by the packing system into the storage enclosure through a bottom forward charging opening. A packer-ejector assist panel is provided to assist in clearing material from the dropped area portion of the charging hopper.

Abstract: The disclosure describes a packing control system for a rear loading, rear discharge refuse packing body that enables adjustability in the overall weight distribution of the packed refuse. The packing density control system involves controlling the resistance of the packing/ejection panel against which refuse is packed in a rear loading refuse collection truck-body so that the force necessary to cause the panel to retreat toward the front of the truck as refuse is packed in front of it can be varied in accordance with the desired density profile of the load as it is packed.

Abstract: A two-section folding ladder assembly is disclosed secured to a pair of spaced platforms including an upper platform and a lower platform fixed to a truck. The ladder is arranged for manual deployment between a folded stowed position and an extended position facilitating access to the upper platform. The upper ladder section has an upper end pivotally secured to the upper platform and a lower end pivotally secured to the lower ladder section. The lower ladder section has an upper end pivotally attached to both the outer end of the lower platform and the lower end of the upper ladder section in a manner such that the lower ladder section is free to pivot between a folded position next to the upper ladder section and an extended position in which the upper ladder section and the lower ladder section combine to form a straight continuously aligned ladder structure.

Abstract: The disclosure describes a packing control system for a rear loading, rear discharge refuse packing body that enables adjustability in the overall weight distribution of the packed refuse. The packing density control system involves controlling the resistance of the packing/ejection panel against which refuse is packed in a rear loading refuse collection truck body so that the force necessary to cause the panel to retreat toward the front of the truck as refuse is packed in front of it can be varied in accordance with the desired density profile of the load as it is packed.

Abstract: A two-piece charge hopper assembly for a concrete transit mixing vehicle of the rear-discharge type is disclosed in which a lower, movable portion including the hopper discharge lip is enabled to swing out of the way of discharging concrete while the upper body of the charge hopper remains in a fixed position which is accomplished by the use of a simple pivot mechanism.

Abstract: Rear loading, rear-discharging refuse truck bodies are disclosed which also serve as sealed, stackable, transportable containers. The truck bodies of the invention include a loading or charging hopper mounted in a vertically opening tailgate which closes a storage receptacle. The loading hopper is mounted so that it can be deployed during collection efforts and retracted when not in use to enable the body to be transformed into or assume the shape of a modular container box that is removable from the truck chassis much as a maritime shipping container. The truck bodies in this modular container box configuration are capable of self sealing and are transportable and stackable as interchangeable modular units separate from the truck chassis. The truck bodies of the invention include hydraulic cylinders connected to raise the tailgate and a conventional ejector panel to discharge the packed contents with the tailgate raised.