Abstract: A dispenser for dissolving a solid chemical into a flowing liquid includes a refillable cartridge that is held in a removable housing. A small amount of the liquid is diverted and is flowed upwardly through the chemical to dissolve same. The dissolved chemical is mixed with the rest of the liquid in an apertured protrusion that extends above a small liquid outlet hole in the top of the cartridge. The protrusion directs the liquid flow toward the liquid outlet opening of the dispenser.

Abstract: Solid sulfur pellets are made by dropping sulfur particles in two distinct curtains of particles within a drum having a tumbling bed of such particles. The larger curtain of particles is sprayed with molten sulfur and the smaller is sprayed with water above the bed. This indirect application of water keeps the temperature of the bed as well as the other curtain of particles being sprayed with sulfur within predetermined temperature ranges which produce high quality sulfur pellets. Dust emissions are prevented by classifying as to size a third falling curtain of recycled particles and spraying molten sulfur on the side containing dust particles. Seed nuclei are produced by intermittently raising the temperature of the tumbling particle bed about 40.degree. F. for short periods of time.

Abstract: An evaporator for increasing the solids content of a liquid-solids mixture employs vapor compressor means to recycle superheated vapors that are boiled off the mixture by a heat transfer fluid. The super-heated vapors are forced into the mixture before the mixture is heated by passage over a heat transfer surface, and the vapors cause the mixture to flow past such heat transfer surface at sufficient velocity to prevent excessive solids from depositing on the heat transfer surface.

Abstract: A dispenser for an aqueous solution of a chemical, such as potassium permanganate, that should be confined at all times encloses the chemical in a lightweight disposable jar. The dispenser is actuated by a valve that has a relatively large float on one end of a stem and a diaphragm at the other end of such stem. It is not necessary for the user of the chemical to ever remove it from the container in which it is sold.

Abstract: A pump for a radioactive waste concentrator in a shielded enclosure is mounted on a wheeled vehicle that travels on tracks, and a spare pump is mounted on an identical wheeled vehicle outside of the shielded enclosure, adjacent the tracks. If the pump fails, it is wheeled out of the shielded enclosure, and the vehicle carrying the spare pump is put on the tracks and wheeled into the enclosure for quick connection to the concentrator.

Abstract: A liquid metering pump has power-operated poppet valves in its intake and return conduits. The quantity of liquid discharged is controlled by a movable cam which determines how long the liquid return conduit is open. A switch operated by a portion of a pumping diaphragm prevents excess pressure from damaging the pump.

Abstract: A flexible diaphragm can be moved to line opposite surfaces of a vehicle so that incompatible fluids alternately can be transported in the vehicle without the need for cleaning it. The edge of the diaphragm may be held against the inside surface of the vehicle container by a series of aligned clamps that are independently movable. The terminal edge of the diaphragm is enclosed in a transient pressure absorbing chamber defined in part by the under surface of the clamps which enables the clamps to exert increased sealing pressure on the diaphragm during the transient pressure surges caused by movement of the liquid when the vehicle changes speed or direction suddenly.

Abstract: A flexible diaphragm can be moved to line opposite surfaces of a tank vehicle so that incompatible fluids alternately can be transported in the vehicle without the need for cleaning it. Both sides of the diaphragm are vented to the atmosphere automatically whenever the vehicle container is filled with fluid. The diaphragm is prevented from entering a manway on the vehicle, and an outage gauge is confined entirely within the manway to prevent damage to the diaphragm.

Abstract: A liquid precoat filter has a multitude of elongated replaceable filter elements that have one of their ends supported on tubes that project upwardly from a tube sheet. A multi-component, spring-biased, sliding seal prevents leakage between the filter elements and their support tubes. Externally engageable connectors are used to releasably fasten the filter elements to their tubes.

Abstract: A flexible diaphragm can be moved to line opposite surfaces of a vehicle container so that incompatible fluids alternately can be transported in the vehicle without the need for cleaning it. The edge of the diaphragm may be held against the inside surface of the vehicle container by a clamp. The terminal edge of the diaphragm contacts an abutment around its entire periphery. The clamp extends over the diaphragm terminal edge and the abutment.

Abstract: Vehicle-mounted rail grinding apparatus has circular rail grinding discs mounted on a massive platform that is supported by hydraulic pistons and cylinders located at or adjacent the centers of gravity of the platform and vehicle carriage. This permits universal relative movement of the vehicle carriage and platform so that the vertical position of the discs is independent of the movement of the vehicle carriage caused by undulations and other imperfections in the rails.

Abstract: A fan blade is adjustably connected to a power driven shaft by means of a hollow coupling with a flat bearing surface on its inside face, and surrounding a hole through its radially outer face. The fan blade shank extends through the hole and is captured by a split ring that has a rim which is compressed against the inside bearing surface by a shoulder on the shank. A removable yoke is held against the blade shaft or shoulder by bolts which pass through the coupling's radially outer face, span the rims and shoulder, and engage into tapped holes in the yoke.

Abstract: Cooling tower splash fill batts are supported by grids made from vertical and horizontal wire strands. The grids are suspended from fill hanger beams that are adjustably connected to beams in the cooling tower subject to deflection or bowing. Splash deck members are also supported by the fill hanger beams.

Abstract: Cooling tower splash fill batts are supported by a plurality of vertically and horizontally aligned grids made from vertical and horizontal wire strands. The grids occupying the same vertical plane are connected to each other by elongated generally C-shaped fill hanger splice beams.

Abstract: A flexible diaphragm can be moved to line opposite surfaces of a vehicle container so that incompatible fluids alternately can be transported in the vehicle without the need for cleaning it. The container is loaded and unloaded in a manner which causes the diaphragm to neatly lie against the container surface without forming wrinkles, creases or bubbles. The movement of the diaphragm is controlled by the sequence and timing by which inlet and outlet conduits on opposite sides of the diaphragm are opened and closed.

Abstract: A liquid precoat filter has a multitude of elongated replaceable filter elements that have one of their ends supported on tubes that project upwardly from a tube sheet. The individual filter elements are releasably connected to the tubes by couplings that permit a spring clip to lock under shoulders when the filter element is pushed down; the spring clip is released when the filter element is rotated about one-quarter of a turn. A sliding seal prevents leakage between the filter elements and their support tubes.

Abstract: A liquid cooling tower has a series of vertically spaced rows of unitary louver panels for controlling air flow into the tower and for preventing escape of liquid falling through the tower. The panels are non-planar, and they are shaped so as to increase their stiffness for withstanding wind and ice loads.

Abstract: An apparatus for automatically sealing random sized cartons which includes an improved mechanism to automatically move the carton centering side arms towards and away from the carton.

Abstract: A golf club carrier having a plurality of relatively short club receiving tubes positioned between front and rear vertical plates. A handle assembly is located adjacent the upper ends of the front and rear plates to the front of the longitudinal center of gravity of the clubs and carrier.

Abstract: A punch for forming a fastener head has a shaped projection at each end and is releasably secured in a holder with one end abutting against a ledge on the inside of the holder and the other end extending beyond the holder. The shaped projections are formed simultaneously by a pair of hobs in one press stroke.