Abstract: An apparatus for dispensing a liquid detergent solution using a timing fluid is disclosed. A preferred cleaning system (10) includes a fluid-operated solvent metering apparatus (38). The metering apparatus (38) preferably includes a normally-closed valve (16) and a timing device (40). The timing device (40) preferably includes a cylinder (52) and a piston (54), wherein the piston (54) forms a pair of subchambers (56, 58) which are interconnected by a flow control device (68). The flow control device (68) serves to restrict the flow of a timing fluid from one subchamber (56) to the other subchamber (58) so as to hold the valve (16) in its open position for a period of timing following its initial manual opening. A return spring (48) in the normally closed valve (16) urges the valve (16) toward its closed position, and the spring (48) also acts against the piston (54) to cause the timing fluid to flow from the first subchamber (56 ) to the second subchamber (58).

Abstract: The disclosure relates to a method and apparatus for dispensing detergent into a washing machine. A container of particulate detergent includes a multilayer cover over the container mouth, the outer layer of which is removable to expose an inner layer of wire mesh. The relationship of the mesh size to the particulate detergent as one which prohibits passage of the detergent until dissolved at least partially by water. The receptacle is configured to receive and support the container above the inlet to the washing machine. The water sources provided within the receptacle to spray water and control the amounts through the wire mesh to dissolve the detergent. Once dissolved, the detergent can flow through the mesh and to the inlet of the washing machine.

Abstract: A capsule 1 (FIG. 1) for the treatment of water in an aqueous heat transfer apparatus comprises open top compartments 2, 3 and luges 6 to bear against and grip the inside of a passage in which the capsule is located. The open tops of the compartments are closed by means of covers of controlled release glass which dissolve in water at different rates. The capsule can be arranged to release a first dose of corrosion inhibitor on exposure to water under relatively milder conditions and a second dose of corrosion inhibitor on exposure to water under relatively severer conditions.

Abstract: A manually controlled device by which a body of water coloring toilet bowl cleanser can be held in either a lower position in the water of a toilet flush tank or a raised position above the water without moving the tank lid so that the bowl cleanser can be saved when its action is not desired. A leak in the flush valve or loss of water past the overflow pipe can be easily detected by introducing the water coloring toilet bowl cleanser into a clear tank with clear water in the toilet bowl, then not flushing the toilet for several hours thereafter. Since the water in the tank now becomes colored, any appearance of color in the toilet bowl will indicate a leak past the flush valve or the overflow pipe, or both.

Abstract: In a cleaning system for toilet bowls comprising a cleaning container for accommodating a cleaning preparation which is designed to be mounted on the rim of the toilet bowl and which is provided with correspondingly arranged openings for part of the flushing water to pass through, the invention enables the cleaning container to be filled with granular active substance without spillage and/or granulate to come into contact with the skin. In addition, the cleaning container is designed so that in the in-use position, its contents are substantially inaccessible to young children despite the refill facility.

Abstract: A device is disclosed to enable the safe insertion and removal of a container of solid or powdered detergent cleaner into a detergent dispenser such as for a dishwasher. The device includes a bowl portion and a central, upstanding water spray outlet near the bottom of the bowl which ejects water into the container to remove the detergent from the container, or from bulk powder fed into the bowl.The spray outlet is occluded by a cover plate which is mounted on a screen which retains the powdered detergent, and the cover plate functions to occlude the spray outlet and horizontally deflect the water spray. This prevents the ejection from the dispenser of water, steam, detergents and chemical solution.

Abstract: A dispenser for dispensing a dissolvable product into a toilet bowl. The structure of the dispenser properly meters and times the flow of water therethrough to increase operational efficiency. The dispenser includes a substantially sealed container enclosing the product and having an entrance hole and an exit hole. Water flow interruptions are positioned to interrupt the flow of flush water and to channel the water to the entrance. A sufficient change of water is guaranteed by the deflectors while excess water is limited by the size of the entrance. A deflector is positioned to deflect water away from the product, and instead to cause the water to rise gently in the containers. The size of the exit hole ensures that water remains in the container after flushing has stopped, so that the dissolved product is efficiently infused into the water standing in the toilet bowl as the water level in the container recedes.

Abstract: A device for dispensing a caked composition into a liquid employs a container filled to a desired level with a cake of the composition to be dispensed, and an upwardly opening vessel over which to place the container telescopically so that the cake surface is disposed over the vessel mouth. A support structure is included upon which the vessel is mounted in a position enabling placement of the container over the vessel, the support structure serving to support the vessel so that the vessel mouth is facing upwardly and the rim portion is disposed horizontally. Liquid coupling components couple a flow of liquid from a separate source through an inlet opening in the vessel, so that with the cake surface disposed over the vessel mouth, the liquid fills the vessel, washes across the cake surface to dispense the composition from the cake, and then discharges over the rim portion.

Abstract: A toilet bowl cleaner dispenser which automatically increases or decreases its liquid volume output respectively in response to an increase or decrease in the concentration of cleaning material dissolved in a liquid solution in a dispenser reservoir, and a method of manufacture thereof. The dispenser, which may be fixed in a toilet tank at a designated position relative to the quiescent water level in the tank, includes an enclosure having an internal cavity containing a solid block of water soluble cleaning agent, the cavity being sealed except for an upper air vent and a lower water inflow and solution outflow opening. The air vent communicates with the exterior of the dispenser through an air inflow and outflow passage having an air opening at a vertical level between the upper air vent and the lower opening. The lower opening communicates with the exterior of the dispenser through a passage having a liquid opening at a vertical level between the air opening and the lower opening.

Abstract: An article for sanitizing toilets comprising a dosing dispenser with a calcium hypochlorite cake composition characterized in that the article is designed (when used) to dispense from 1 ml to 4 mls of a 5% to 15% liquid bleach over the life of the article. When in use, the article is designed to maintain a reserve of liquid bleach in the dispenser wherein the reservoir to dose volumetric ratio of 3:1 to 6:1.

Abstract: A dispenser for a granular wash additive is provided which comprises a reservoir for receiving the additive and has a liquid inlet and a narrow slot-like opening for dispensing the additive. A tunnel member or chute is provided in the liquid flow path between the inlet and outlet, which is to be covered by the additive so that a portion of the inlet liquid will be directed below and within the pile of additive to effect a complete dispensing of the additive. An insert is provided for dispensing liquid additive from the same dispenser.

Abstract: A spray-type dispenser for on-demand dispensing of a solid block of chemical retained within a container in the form of an aqueous chemical solution of substantially constant concentration, comprising: (i) an upwardly dispoded spray nozzle, (ii) a three-dimensional support screen for supporting the solid block of chemical above the spray nozzle, and (iii) a housing enclosing the spray nozzle and support screen; the housing and support screen defining an annular cavity. In operation, a container retaining a solid block of a water-soluble chemical is placed within the dispenser such that the support screen contacts the chemical but not the container; thereby allowing the container to descend, by force of gravity into the annula cavity as the chemical retained therein is dissolved.

Abstract: A dry chemical pellet dispensing apparatus particularly adaptable for treatment of well water with chlorine pellets or like water purification tablets. A downwardly open pellet container is secured to a pellet flow regulator housing, which discharges pellets onto the surface of a metering plate. The discharge housing has baffles to regulate pellet flow. The metering plate has arrays of compartments for holding individual pellets. Select compartments are open and select compartments are closed. Open compartments can each receive a pellet. The pellet is moved in the open compartment upon rotation of the metering wheel to a location over a drop opening leading to a discharge tube which drops the pellet into the well. The speed of rotation of the metering wheel and the density of open compartments determines the dosage rate of pellets administered to the well.

Abstract: A cleaning and disinfecting article of manufacture and method are provided wherein the cleaning and disinfecting article of manufacture comprises a cleaning and disinfecting ingredient which includes a cleaning and disinfecting agent, a solid color indicator composition which includes a color indicator agent and a matrix agent supporting the color indicator agent, wherein the matrix agent is a matrix salt; and a stabilizing salt. The cleaning and disinfecting ingredient has a bleaching tendency relative to the color indicator agent such that when the solid color indicator composition is in an aqueous solution of the cleaning and disinfecting ingredient, the presence of the cleaning and disinfecting ingredient in the solution minimizes the display of color in the solution for as long as significant amounts of the cleaning and disinfecting ingredient are present.

Abstract: A device is disclosed for safely inserting and removing a container of solid or powder detergent cleaner into a detergent dispenser such as for a dishwasher. The device includes a bowl portion and a central, upstanding water spray outlet near the bottom of the bowl which ejects water into the container to remove the detergent from the container, or from bulk powder fed into the bowl.One or more fingers is attached to the inside of the bowl and is biased inwardly by a spring to occlude the spray outlet. When the container of detergent is inserted into the bowl, it biases the finger outwardly and exposes the spray outlet to the detergent. Upon removal of the container from the bowl, it will move out of contact with the finger, which is again biased inwardly by the spring to occlude the spray outlet and protect the operator.Dissolved detergent and wet powder and particles are deposited on, and seep through, a perforated plate or screen adjacent the spray outlet.

Abstract: A dispensing device for a bactericidal pellet such as chlorine tablets which is readily adapted to being placed on a hopper container for the pellets and which can dispense the pellets such as in conjunction with a well or a water recirculation system while employing a minimum number of parts. The pellet dispenser employs a unique rotor member with pellet carrying passages designed to dispense the pellets from the hopper and out of the pellet dispenser in an individual manner and without jamming. In the instance where pellets may become improperly placed in the pellet carrying passages so that the rotor does not properly move inside the rotor housing, a bi-directional self-reversing motor is utilized so that the tablet dispensing sequence will continue in an accurate manner. This is effected in part by a bidirectional rotor member which is able to dispense tablets in a clockwise or counterclockwise manner.

Abstract: A toxic substance extraction cell includes a chamber for housing a heated solvent, a pair of gaskets adapted to be seated on the solvent housing between which is clamped a specimen to be tested; the space between the gaskets being liquid tight, and a cover for clamping the gaskets to the solvent housing. After assembly of the cell with the preheated solvent in the housing and the specimen to be tested between the gaskets, the cell is inverted and supported on a plurality of legs provided on the cover. The solvent is thus placed in contact with the specimen in order to dissolve any toxic substances contained within the specimen. The cell is then reinverted and supported on a suitable stand and allowed to cool, disassembled, and the solvent removed and tested for toxic residue.

Abstract: An article and method for disinfecting a toilet bowl and providing the bowl water with a blue tint or hue, which tint or hue resists oxidation by the disinfecting agent. The article comprises a first product chamber containing a first cleaning composition, said composition including the dye Color Index Dye No. 52,035, and a second product chamber containing a second cleaning composition including a disinfectant agent selected from the group consisting of 1,3-dibromo-5,5-dimethylhydantoin, 1,3-dichloro-5,5-dimethylhydantoin 1-bromo-3-chloro-5,5-dimethylhydantoin, dichloroisocyanuric acid and its sodium and potassium salts, and trichloroisocyanuric acid, the bowl water after the dispensing of the article having an available chlorine concentration of from about 0.1 to about 5.0 ppm, the weight ratio of available chlorine to dye being from about 1:1 to about 20:1. The Color Index Dye No.

Abstract: A method and apparatus for accurately determining the rate of dissolution of solid substances with highly reproducible results is disclosed. The method and apparatus are directed to a system wherein a sample of solid, which may be powdery, is placed in a sample holder which is then immersed in a perfusion chamber. The weight of the sample is measured as a function of time as the sample dissolves. The sample holder has a variable internal volume which adjusts to the amount of sample therein so as to maintain a substantially constant liquid/solid interface area during dissolution rate measurements.

Abstract: A dispenser (10) for a detergent (13) is disclosed. A housing (10) defining an inner cavity (12) holds the detergent (13). The cavity (12) has a circular opening. An insert (14) of a substance not chemically compatible with the detergent (13) is retained in the opening of the inner cavity (12). The insert (14) is retained by retaining ring (20) and a cover (26). In a preferred embodiment, the retaining ring (20) defines an inner aperture (21a) and has a plurality of generally upwardly extending resilient fingers (24) cooperatively connected to the retaining ring (20) proximate the inner aperture (21b). A cover (26) is cooperatively connected to and secured by the fingers (24), wherein said insert (14) is placed over said fingers (24) and said cover (26) over said insert (14), whereby said fingers (24) and said cover (26) control the dissolving of the insert (14 ) by controlling the surface area of the insert (14) exposed to the detergent solution.

Abstract: A device for diluting concentrated chemicals into a receptacle. A storage container is provided for storing concentrated chemicals engageable with a receptacle and a water source for diluting said chemical and providing same in diluted form to said receptacle. The storage container is provided with a water inlet at one end and an outlet at the other end. The storage container is further provided with a collar which engages both the storage container and the inlet means of the receptacle.

Abstract: A holder comprising a sealed container provided to receive a water-soluble active, solid composition and to protect it against the direct erosion by water susceptible to penetrate in the container. The holder including a basin having a predetermined volume arranged at the upper portion of said container and having at least one hole in the bottom thereof, a discharge device for discharging in a water closet (WC) bowl and consisting of two siphon-type systems and of an appropriate hooking system to hook the holder under an edge of a WC bowl.

Abstract: A chemical feeder device for treatment of influent liquid and designed for relatively free maintenance being free of moving parts and including a head member to be disposed in a liquid supply line, a vessel detachably connected to the head member and a disposable, replaceable chemical feeder cartridge also attached to the head member and disposed inside the vessel, the cartridge being a unitary structure including pre-inserted chemical material, built-in capillaries, an inlet check valve. The device is designed to feed a concentrated chemical solution into a stream of flowing liquid at a constant, very low resulting chemical concentration independent of liquid pressure, flow rate and interruptions in flow.

Abstract: Method and apparatus for cleansing and disinfecting a toilet tank and toilet bowl by treating the water discharged from the toilet tank each time the toilet is flushed. A passive dosing dispenser that automatically dispenses a disinfectant with each flush is provided in the tank to carry out the cleansing and disinfecting method. The dispenser comprises a series of chambers in fluid communication including a reservoir containing the source of disinfectant, a vented volume control chamber, a delivery tube provided with a dispensing orifice in dynamic fluid communication with liquid in the toilet tank, and a vented standpipe. The respective chambers have volumes selected to provide a controlled dispensing action, and the arrangement of chambers is such that the concentration of the aqueous disinfectant solution discharged remains substantially constant upon repetitive flushing, and/or during extended quiescent periods.

Abstract: A method for sanitizing flush toilets wherein a sanitizing agent and a triphenylmethane dyestuff are dispensed into the toilet flush water. The dyestuff is resistant to attack by the sanitizing and therefore provides an aesthetically pleasing color to the water remaining in the bowl during the time period between flushes.

Abstract: A method for sanitizing flush toilets wherein a sanitizing agent and a triphenylmethane dyestuff are dispensed separately from a dual dispensing means into the toilet flush water. The dyestuff is resistant to attack by the sanitizing agent and therefore provides an aesthetically pleasing color to the water remaining in the bowl during the time period between flushes.

Abstract: An article of manufacture comprising a calcium hypochlorite cake composition in an improved particle retaining means which comprises a water-permeable polyvinyl chloride (PVC) bonded polyester (PET) filter sleeve which envelopes and supports the cake. The filter sleeve is designed to be rigid to avoid collapse in use, wicks water for improved cake contact, and is bleach resistant to insure a long product life.

Abstract: A new use of the apparatus for dispensing chemicals such as insecticides and fertilizers by means of a garden hose is disclosed. In earlier applications the use of a spherical feeder capsule in an "intermediate-velocity chamber" was disclosed wherein the spherical shape provided uniformity of feeding by reason of its random movement and rotation in the chamber. In the new use described, the spherical shape may provide a decidedly non-uniform rate of feeding; and there may be a lesser degree of freedom of the feeder within the chamber compared to the earlier-claimed uses. In the preferred embodiment a water supply is connected through a hose to a chamber such as the "Fluidic Lawn Feeder" produced by Acme Burgess Inc. From the chamber a second piece of hose extends to a pistol-grip nozzle of the well-known type whereby an operator may quickly turn the water on and off to the pro-set rate of spray or the like.

Abstract: A tapered-bottom bleach cake for a sanitation dosing dispenser provides more even delivery of bleach sanitizer in automatic sanitization of flush toilet and thereby reduces bleach waste.

Abstract: A detergent dispenser (20) for efficiently converting one or more solid block detergent compositions into concentrated detergent solutions is disclosed. A housing (12) configured for mounting to a solid surface defines a substantially enclosed inner cavity (30), and access and discharge ports (32) and (34) opening into the inner cavity. Retaining means (40) holds a charge of solid block detergent composition (100-103), which may include a plurality of different and even chemically incompatible detergent composition components, in fixed predetermined position within the inner cavity, exposing at least one broad surface (100a) of the detergent block. Nozzle means (61) projects into the cavity and directs a pressurized liquid spray against substantially the entire exposed detergent surface(s), dissolving a portion thereof, which is collected by the housing (30b) and passes through the discharge port. The nozzle means may be disposed above or below the exposed detergent surface.

Abstract: There is described a pool chlorinator which uses granular chlorine. The chlorinator has a sealed chamber having a container for the granular chlorine. The container has a vertically moving sleeve forming the side wall and a fixed platform forming the bottom. Water from th pressure side of the pool pump flows across the top of the platform to dissolve the chlorine granules and form a bridge of caked chlorine material in the sleeve above the water. The sleeve is lowered incrementally each time the pump is turned on to move the caked material into dissolving contact with the flowing water.

Abstract: An apparatus for feeding slowly soluble water-soluble chemicals into the basin of a cooling tower which contains water. The device comprises a rigid mesh cylindrical drum having a bottom, sides, and an open top. It has at least one vertically positioned, spaced-apart fastening member positioned along the inside of the drum. Inside the drum is a plastic mesh bag, adapted to receive solid, slowly soluble water-soluble chemicals. This bag is affixed to a fastening member. Also, there are means positioned at the top of the plastic mesh cylindrical drum for suspending it below the water level of the basin of a cooling tower.

Abstract: A method for killing water borne microorganisms comprises reacting two electrolytically-reactive elemental metals in water to dissolve sufficient metal ions to kill algae and coliform bacteria, without making the water unsafe for human use. Lead, copper and zinc are examples of such metals. Apparatus for performing the method comprises a perforated container of chips of such metals. A small version of the device can be used in toilet reservoirs to prevent the growth of microorganisms within the toilet bowl. A larger version of the device, submerged in a swimming pool, effectively prevents the growth of algae or coliform bacteria, substantially reducing or eliminating the need for chlorine. One embodiment of the device has an elongated cylindrical container with perforated side and bottom walls and a hook at its upper end for suspending the device in a swimming pool or toilet reservoir.

Abstract: An improved beverage infusion device and a method of rapid brewing an infusible beverage substance such as fresh, fine ground, roasted coffee by air agitation in an air-water chamber. The wall of the chamber is constructed of a fine porous filtering material that confines particles of coffee during agitation thereof with water of an amount necessary for brewing either one or more serving portions of coffee. An air conduit directs air underneath the coffee particles accumulated in the air-water chamber that is immersed in hot water. The hot water enters the porous wall of the air-water chamber, saturating the coffee particles. One or more intermittent burst of air are directed by the conduit under the coffee particles thereby momentarily suspending the coffee particles in the water, and agitating the coffee particles and the water. The water solubles of the coffee are extracted rapidly and mixed with the water to create a beverage.

Abstract: A dispersion control device for use in a toilet tank for dispensing a soluble solid, in solution, in a controlled manner into the tank. The device includes a cap having a conical portion which extends inwardly and downwardly into the interior of the cap. The cap is attached to a container which contains the soluble solid, and the cap has a plurality of slots in the walls of the conical portion and a hole at the lowermost portion of the conical portion. In operation, the conical portion of the cap defines an intermediate holding chamber which holds and allows dispersion of a specified concentration and predetermined amount of solution into the tank, as a result of the flows that occur during flushing.

Abstract: A membrane of fiberglass-reinforced polyester resin is used as a traffica cover over a compacted backfilled crater and crushed stone base to impart strength to the repair and prevent foreign object damage to aircraft. The membrane cover is usually prefabricated from several fiberglass matting layers of chopped fiberglass strands chemically bonded to woven fiberglass roving and impregnated with a polyester resin; an anchoring system consisting of holes along the cover perimeter and torque set rock bolts are used in conjunction with special steel bushings to secure the cover to airfield pavement surrounding the crater.

Abstract: A new article of manufacture, comprising a capsule intended to be dropped into the water tank of a toilet, to dispense metered amounts of a chemically active cleaning agent into the water over a long interval of time. At the end of such interval, the entire capsule has been substantially completely disintegrated and flushed away whereby its removal is not required, notably when a new capsule is to be dropped into the tank. The capsule comprises a container made of material which could be metal containing aluminum, that very slowly disintegrates under the action of the chemical cleaning agent contained therein at such time that the chemical becomes mixed with water. The capsule has one or more stoppers for water access openings, or has other means to enable water to enter it for acting on the cleaning agent. If stoppers are provided, these are removed prior to dropping the capsule into the tank. The chemically active cleaning agent can comprise the hypochlorite of an alkaline metal such as sodium or calcium.

Abstract: A liquid dispenser, adapted to rest upon the bottom of a flush tank, includes a container having a quantity of the concentrated soluble material therein, and a closure forming a piston extending into the top opening of the container. The closure forms a liquid flow passage between the interior and exterior of the container and is adapted for shifting in response to the flush/fill modes of the tank cycle. The closure rises to its upper limit by flotation from entrapped air within the closure, retains liquid in an open cavity thereof and becomes fully submerged by the rising level of the tank liquid. As the closure rises, tank liquid enters the container through the flow passage for mixing with the chemical concentrate. During the flush mode of the tank, the closure falls by gravity and is augmented by the retained water in its cavity as the receding level of the tank liquid passes below the upper rim of the closure.

Abstract: A method of bleaching of certain triarylmethane dyes in aqueous systems with low concentration of hypochlorite ion, activated by the presence of bromide ion and ammonium ions. The method is particularly useful in providing a disappearing color signal in the automatic cleaning and sanitizing of toilet bowls with low concentrations of hypochlorite. Compositions and articles for implementing the practice of the method in the automatic cleaning and sanitizing of toilet bowls are also disclosed.

Abstract: A device for mixing chemical products with running water. It is characterized in that the tubular pipes for the supply of running water are situated in a different plane from the inlet plane of the mixing chamber disintegration zone.

Abstract: A device for supplying a detergent to a liquid dispenser such as a showerhead or the like includes a body having a hollow interior, a housing attached to the body and a valve support member including a flap valve mounted on said support member in the chamber, the flap valve being manually controlled to divert flow from the body's inlet into the housing where a solid detergent cake is stored; the housing is oriented so as to drain through a second aperture to the outlet of the device.

Abstract: The combination of a passive dosing dispenser, of the type having a reservoir containing a cake of active ingredients which are depleted as water is routed through the dispenser, and an improved hypochlorite cake for use therein. The improved hypochlorite cake provides water-soluble hypochlorites, and additionally contains materials capable of forming a water-insoluble matrix from which hypochlorite salts may be leached out by the water in the reservoir. The size of the cake desirably increases somewhat while the dispenser is in use so that the mass of aqueous hypochlorite which may be poured from the reservoir of the dispenser remains constant or slightly decreases as the active ingredients are used up.

Abstract: Toilet deodorant holder comprising an elongated open basket to receive the deodorant or replacement deodorant having a plastic suspension bracket produced by integral deformation of the plastic with the basket and engaging over and beyond the mouth as the basket. The present arrangement makes it possible to simplify the production and use of the holder and to refill the basket automatically with deodorant as required.

Abstract: A holder for the receipt of a stick of lavatory pan deodorizing product comprises a perforated cage formed of two half-cages which have end collars which are a snap-fit together and within the connecting ring portions of a suspending hook, the snap-fit of the connecting ring portion to one of the half-cages only being possible after breaking of at least one tearable attachment which had been integrally moulded with the end collar of said one half-cage and the connecting ring portion, the end collars of the two half-cages carrying male and female fixing members for their direct snap-fit connection.

Abstract: A liquid dispenser for a flush tank includes a dispensing closure in engagement with an open top container for axial movement relative thereto, the closure having discharge ports therein defining flow passages between the interior and exterior of the container and capable of being opened and closed during such axial movement. The closure includes a hollow cap having air vents therein, and a sleeve extending inwardly of the container so that liquid may flow during a tank refill operation through the ports and beneath the sleeve for thoroughly mixing with concentrated soluble material within the container before flowing into the cap while forcing the air through the vents. And, during a tank flushing operation, the mixed liquid is dispensed through the ports after it again mixes with the soluble material below the sleeve, the mixed liquid in the cap then being replaced by air through the vents during the discharge operation.

Abstract: A chemical pellet dispensing device for wells includes a housing defining a pellet chamber and having an inclined bottom wall. A pellet dispensing tube which opens through the bottom wall communicates with the well. A false bottom wall maintains the level of pellets within the chamber below the open end of the pellet dispensing tube. A pellet conveying member is movable along the bottom wall between a position below the level of pellets in the chamber for receiving a pellet to a position in registration with the pellet dispensing tube for depositing a pellet therein. The pellet conveying member is driven by a power source actuated in response to fluid flow from the well. A pellet dislodging slip clutch is interposed between the power source and pellet conveying member. A mechanism is provided for adjusting the rate at which pellets are dispensed into the well.

Abstract: A support for a cylindrical block of deodorizer product is in the form of a cylindrical cage formed of two identical parts each of which has a cylindrical shape with a closed end and an open end defined by an end collar, the end collars of the two parts being interengageable by means of male and female engagement means carried by both end collars for rendering the two cage parts integral as a single cylindrical cage.The suspension hook is integrally formed with a connection sleeve which has a larger diameter portion capable of engaging on the end collars of the two cage halves and a smaller diameter portion capable of engaging on and sliding along either cage half over a portion other than the said end collar thereof and the narrower diameter portion includes catch engagement means for permitting sliding engagement of the connecting sleeve along the cage in one direction only.

Abstract: An apparatus and method for the controlled chlorination of a water supply in which an alkali metal salt of dichloroisocyanuric acid is dissolved to form a concentrated chlorine solution that is slowly released into the water supply. The apparatus contains an internal standpipe, open to the water supply at its bottom end and having water inlet apertures and solution metering apertures in its wall. The natural circulation of water in the standpipe through the solid dichloroisocyanurate charge contained in the apparatus results in chlorination of the water supply at a rate controlled by the size and number of solution metering apertures.

Abstract: A decalcification cabinet is provided for decalcifying osseous and dental terial. The cabinet includes drawers in which the specimens are held and includes numerous holes in these drawers and in the sides and base to permit substantially free flow of a decalcifying liquid. The edges of the top of the cabinet extend laterally outwards from the cabinet sides so as to enable the cabinet to be suspended in a container of decalcifying solution. The cabinet top provides a closure to prevent the escape of fumes and the cabinet is suspended such that a stirring magnet, for stirring the solution, can be positioned directly under the base of the cabinet.