Abstract: A plug for a valve for a container that may contain hazardous materials is provided. The plug may include an outer wall, and one or more keys disposed on an external surface of the outer wall. The keys may be sized and shaped to respectively fit within one or more corresponding notches and one or more circumferential grooves in the valve to secure the plug to the valve.

Abstract: A container lid may include a container top, a closure, and a push button. The closure may be coupled to the container top and movable between a closed closure position in which a lid opening of the container top is closed and an open closure position in which the lid opening is open. The push button may be movably coupled to the closure. The push button may include a latch configured to selectively engage the container top when the closure is in the closed closure position. The push button may be movable between a first push button position in which the latch is engageable with the container top and a second push button position in which the latch is disengaged from the container top. The closure defines a push button recess and the push button is disposed substantially within the push button recess and substantially enclosed by the closure.

Abstract: A liquid container lid includes a seal arm assembly that stages opening and closing of a vent hole relative to a drink hole so that vapor within the liquid container may be vented to the atmosphere before the drink hole is opened. The liquid container lid and seal arm assembly reduce or eliminate the possibility of a consumer being injured by the hot vapor exiting through the drink hole due to excess gas pressure within the liquid container. The seal arm assembly is operatively connected to a cap of the liquid container lid so that the seal arm assembly is actuated by rotation of the cap. As the cap is turned in one direction, the seal arm assembly opens the vent hole before opening the drink hole. As the cap is turned in a second direction, the seal arm assembly closes the drink hole before closing the vent hole.

Abstract: A variable-width viscous fluid applicator, and related methods, may include an applicator having wall portions adjustable toward and away from each other, an injection port being formed in a bridge portion that spans upper ends of the wall portions. The applicator may be engaged around the edge of a component such as a panel. A bead of viscous fluid may be applied and shaped by injecting the fluid through the injection port and moving the applicator along the panel edge.

Abstract: A one-piece flap device made of elastic material, which separates two distinct volume spaces. The one-piece flap device includes: a) a substantially cylindrical body including a through conduit, b) a flap that seals an aperture of the through conduit of the body when the flap is in a closed position and is within said body, and c) an arm connecting the body of the device to the flap. The arm is in an elastic stress position regardless of the position of the flap when inside said body.

Abstract: Applicants' invention may retrofit or may be provided initially with a dispensing valve and comprises a second handle, interacting with a valve and/or a valve first handle for dispensing a beverage from the valve. Applicants' invention comprises a valve body typically having at least a pair of handles, one typically upstanding and one downwardly depending both which separately may be moved to actuate the dispensing mechanism within the valve to dispense a beverage therefrom.

Abstract: A lower sealing valve unit for a charging system of a shaft furnace includes a housing having a pair of inlets and at least one outlet; a valve seat associated with each inlet; and a flap associated with each valve seat and adapted for, in a closed position, engaging the valve seat to sealingly close the inlet, each flap being supported by a pivotable shaft allowing displacement between the closed position and an open position off the associated valve seat, where a common structure, mounted to one side of the housing, includes a pair of drive mechanisms, each connected to one of the pivotable shafts for independent actuation thereof, the shafts passing coaxially though the housing side and being supported by the common structure.

Abstract: Cartridge systems for application of a material have at least one cartridge having cartridge walls, a cartridge head having at least one opening in the cartridge head, and a bracket arranged on the cartridge head. A valve is mounted in rotatable manner in the bracket and has at least one passage through the valve that is connected to an outlet opening of the valve. In a closed position, the valve closes the at least one opening of at least one cartridge in a sealed manner. The at least one passage of the valve is connected to the at least one opening when the valve is located in an open position such that the cartridge content is squeezable out of the at least one cartridge through the outlet opening, and further wherein the valve is configured to be transitioned from a closed position to an open position through a rotation of the valve about an axis of symmetry of the valve.

Abstract: A drinking vessel and lid assembly that is adapted for selectively opening an open end of the drinking vessel. The lid is selectively couplable to the drinking vessel and includes a selectively openable stopper that when closed, creates a fluid-tight seal between the drinking vessel and the environment. The stopper may be selectively opened by a user by the user pressing a button disposed on a side of the drinking vessel at a location where a user normally grasps the drinking vessel. The stopper is subsequently automatically closed when the user releases the button. Thus, a user may open and close the stopper using a single hand operation without the need to remove the lid from the drinking vessel.

Abstract: A dispenser for dispensing portions of flowable materials has a piston that is advanced along a dispensing chamber by rotation of a spindle that passes through the piston. A stop may limit travel of the piston to control the volume of flowable material dispensed. The stop may be adjustable. In an example hand-held dispenser the spindle is rotated by a rack and pinion mechanism that can be operated with one hand. The dispenser may be used, for example, for dispensing portions of condiments, sauces or the like.

Abstract: A dispenser includes a dispenser body which defines a flow passage, a valve assembly, and an actuator. The valve assembly is disposed in the flow passage and includes a first valve member and a second valve member. An actuator is coupled to the valve assembly. When the actuator is manipulated through a first range of motion, only the first of the two valve members is displaced, and when the actuator is manipulated through a second range of motion, both the first and second valve members are displaced in unison.

Abstract: A valve assembly for dispensing a plurality of flowable materials, such as viscous fluids or powders, comprising a valve member having a plurality of inlets for the plurality of flowable materials and dispense outlets communicating with the inlets and a closure having one or more openings in a pattern that corresponds to the pattern of at least some of the outlets. The valve member and the closure are movable relative to each other between a closed position in which the outlets are closed and at least one dispensing position in which one or more openings in the closure are at least partially in register with the dispense outlets thus clearing the latter.

Abstract: A dispensing head incorporates multiple constant flow valves for controlling the flow of multiple liquids, e.g., syrup and carbonated water fed to a dispensing nozzle. The valves are normally closed and are opened by inlet pressures above selected threshold levels. Once open, the valves maintain the liquid flows at substantially constant flow rates and pressures, irrespective of variations of liquid input pressures and viscosities. A closure mechanism serves to close the valves at inlet pressures both above and below the threshold levels. The closure mechanism may be deactivated to simultaneously allow the valves to assume their modulating functions at inlet pressures above the threshold levels.

Abstract: A refrigerator includes refrigerator cabinet, a door attached to the refrigerator cabinet, an ice and water dispenser mounted at the door for dispensing ice and water through the door, the ice and water dispenser including a multifunction dispensing actuation pad having a plurality of actuation points and wherein ice or water is dispensed upon selectively applying a pressure to one of the plurality of actuation points on the dispensing actuation pad. A method of operating a refrigerator includes the steps of providing a refrigerator and selectively applying pressure to at least one of a plurality of actuation points on a dispensing actuation pad of the refrigerator to select an ice and water dispenser function.

Abstract: Disclosed is a multichamber dispensing system for dispensing a mixture containing several substances. Said dispensing system comprises a receiving unit (10) with several chambers (12, 14) which are aligned parallel to each other and each of which is provided with a first end for inserting a plunger (21, 23) as well as a second end encompassing an outlet (11, 13), and with a neck region (15) that is located downstream from the outlet(11, 13) of the chambers (12, 14). The dispensing system further comprises a dispensing unit (30) that is provided with a discharge duct (33) and an adapter section for establishing a fluid-tight connection to the neck region (15) for the receiving unit (10). The inventive multichamber dispensing system also comprises a position ring (40) for axially positioning the dispensing unit (30). Said positioning ring (40) is rotatably mounted on the receiving unit and embraces the receiving unit (20).

Abstract: A bin for storing and dispensing dry flowable material comprises a main body portion defining a chamber for receiving the flowable material, a top portion enclosing the top of the body portion and having an inlet through which the material can pass to fill the bin, a bottom portion enclosing the bottom of the body portion and having at least one outlet, the bottom portion being inclined to direct the material toward the at least one outlet, a wall extending upwardly from the at least one outlet to an elevation in the body portion for dividing at least a lower part of the chamber into adjacent sections and a valve mechanism for selectively controlling the dispensing of the material from each section.

Abstract: A liquid dispensing cleaning or scrubbing device that includes a handle and a scrubbing head. The handle is hollow and holds a cleaning liquid. The head twists from an open position to a closed position. When the head is an open position, the user pushes a button on the back of the head to deliver a substantial amount of cleaning liquid to the bottom of the scrubbing head. The head receives liquid through a re-sealable inset screw cap filler port. The filler port is on the bottom of the head, and when the scrubbing device is fully assembled the filler port is completely and conveniently out of the user's way.

Abstract: A fountain-style carbonated soft drink dispenser includes a housing adapted to attach to a beverage container, an actuator for selectively opening a fluid conduit, and one or more long tubes that vary a pressure drop across the dispensing assembly and convey fluid. The resistance through the tube(s) is decreased as the pressure within the container decreases so as to maintain a substantially constant flow rate throughout dispensing.

Abstract: A dispenser includes a dispenser body which defines a flow passage, a valve assembly, and an actuator. The valve assembly is disposed in the flow passage and includes a first valve member and a second valve member. An actuator is coupled to the valve assembly. When the actuator is manipulated through a first range of motion, only the first of the two valve members is displaced, and when the actuator is manipulated through a second range of motion, both the first and second valve members are displaced in unison.

Abstract: A dispenser includes a dispenser body which defines a flow passage, a valve assembly, and an actuator. The valve assembly is disposed in the flow passage and includes a first valve member and a second valve member. An actuator is coupled to the valve assembly. When the actuator is manipulated through a first range of motion, only the first of the two valve members is displaced, and when the actuator is manipulated through a second range of motion, both the first and second valve members are displaced in unison.

Abstract: To deliver a liquid at high speed and with high accuracy. A device for delivering a fixed quantity of liquid, comprising a pump section for metering the delivered liquid to provide a desired amount consisting of a plunger chamber formed in a cylinder block, and a plunger reciprocating in the plunger chamber, a valve section for switching between liquid flow channels for suction and delivery, a reservoir section for reserving liquid adapted to communicate with the pump section depending upon the position of the valve section, and a delivery section having a delivery port for delivering liquid, the device being characterized in that the pump section and the valve section are disposed connected to each other and that the maximum advance position of the plunger is defined by a plane where the front end surface of the plunger contacts the valve section and pump section. The valve section is removably disposed in the pump section.

Abstract: The neck closure has a wedge-shaped hollow neck with lips formed on the front wedge edge by converging wedge surfaces, the lips being connected to form a one-piece closed lip by a thin section, and having a cover cap that can be placed over the neck. When the cover cap is in place, the front region of the wedge-shaped neck is held in a position that has been rotated through at least 5 DEG in a clockwise direction, viewed from above, in relation to its normal unstressed position, as a result of the inner moulding of the cover cap. When the cover cap is rotated anti-clockwise, from this closed position, force is only applied to the front wedge edge region of the neck by pressure surfaces projecting from the inner face of the cover cap at diametrically opposed points on said front wedge edge region.

Abstract: A valve assembly has a valve housing and a valve core body movable therewithin for providing a smooth and continuous outflow of liquid from a container, which may be unvented and rigid, through a liquid-out passageway, and provides an air-back passageway for drawing external air into the container. In a preferred embodiment, the core is rotatable within the housing by one-handed actuation. The air-back passageway is preferably a channel provided on the surface of the core body, and the liquid-out passageway is preferably provided between openings in the core body.

Abstract: A dispenser bottle and associated closure has a sifter disposed in the neck thereof, either in the form of castellated vents formed in the interior peripheral edge of the neck or a separate sifter element. A rotatable cap is positioned over the sifter. The cap has holes that align with the vents or holes in the sifter to dispense material from the bottle. A removable lock ring is removeably conjoined to the cap to evidence tampering. One embodiment employs a squeeze tab that is depressed to open the bottle thereby increasing the dexterity required for opening. Another embodiment employs a rotatable sifter that must be held by one hand while the cap is held and rotated relative to the sifter by the other hand. A detent provides resistance to opening.

Abstract: A dosing device including a hopper (1) having an outlet opening which is closed by two spherical cap halves (3, 4), which can be pivoted in opposite directions. The pivoting movement is effected by two arms (5, 6) pivoted about a common pivot pin (8). The spherical cap halves (3, 4) can be pivoted by a rod assembly (18, 19, 22, 23) including a vertically mobile plunger (14). To prevent the bulk goods bridging, a rotating loosening and scraping device (30) is provided, the base (31) of which reaches close to the outlet opening. With the dosing device, both large and small quantities of bulk goods can be discharged in accurate doses.

Abstract: A push-button type bottle head to be disposed on a bottle body can make it easier for pouring water out of the bottle body and for preventing water leakage. The push-button type bottle head mainly comprises a bottle head set on the bottle body and a bottle cap set on the bottle head. After the bottle cap is opened and when an external force is applied to an active element, a driven element will be pushed to drive a passive element to enter an "open state" for pouring inside water out; and when the external force is removed, a second elastic element will restore the active element to its original position and the driven element as well as the passive element back to a "close state.

Abstract: A portable liquid dispenser apparatus has an insulated liquid container having a plurality of flexible dispensing tubes extending from the container. Each of the plurality of flexible dispensing tubes has a nozzle and valve on the end thereof for selectively dispensing liquid from the container. A wheeled container cart has two container supports thereon and has the liquid container removably mounted in a raised position for gravity dispensing of the liquid from the container to one or more individuals through each of the flexible tubes. The wheeled container cart can include a pair supporting surfaces for supporting two liquid containers. The insulated liquid container can have a generally rigid manifold attached to the outside of the container and connected to the inside of the container for receiving the liquid from the inside of the container and dispensing the liquid from the plurality of flexible tubes connected to the manifold.

Abstract: A lid assembly includes a lid body having a periphery containing a liquid discharge slot and an air vent arranged diametrically opposite to each other, and a center containing a passage located between the liquid discharge slot and the air vent, a rotary cap rotatably mounted on the top of the lid body and including a drive post extending downward from the bottom thereof, and extending through the passage, a control device mounted on the bottom of the lid body and secured to the drive post to rotate therewith. In such a manner, the control device can be rotated by the drive post to move between a first position where the liquid discharge slot and the air vent are closed by the control device, and a second position where the liquid discharge slot and the air vent are detached from and opened by the control device.

Abstract: An improved plugging system for a liquid container (31) comprises an inner plug (3) and an outer plug (1), an opening/closing member 8, and pressure adjusting springs (9, 9') which apply elastic force to the opening/closing member (8) against the inner plug (3). A push button (131) is mounted in the center of the plugging system and has a rib (132) which is downwardly extended and coupled to the opening/closing member (8). In a closed state of the plugging system, a shoulder portion (135) of an opening/closing button (133) is caught by the rib (132). While in an opening state, as the opening closing button (133) is pushed outwardly, the rib (132) is pushed downwardly and a moving rail portion (134) slides on the rib (132) since the shoulder portion (135) is released from the rib (132) thereby opening the discharge path (4).

Abstract: A dispensing system is provided for a container having an opening to the container interior. The dispensing system includes a closure with an elevator that is disposed within the container opening for movement between a fully elevated position and a fully lowered position while the elevator is restrained by the container from rotating. The elevator has a seat defining an inlet passage and has a thread. A rotatable housing is mounted on the container at the opening and has a thread engaged with the elevator thread. The housing has a dispensing passage and an occlusion member. The occlusion member sealingly engages the elevator seat and prevents flow through the elevator inlet passage when the elevator is in the fully elevated position. When the elevator is moved away from the fully elevated position by rotation of the housing, flow is permitted through the inlet passage and into the housing dispensing passage. A flexible dispensing valve is sealingly secured across the dispensing passage in the housing.

Abstract: A connector for a guarantee tap (1) provided with a pull piston (2), is actuated by appendages (3) secured to the piston (2). A body (4) mounts the tap (1), and a device (5) for sealed connection of the outlet end of the tap (1) is provided. A device (6) holds the tap (1) and actuates the dispensing piston (2). There is a coupler (7) to a dispensing conduit. The connector is more particularly applicable to the field of distribution of liquids, particularly comestible liquids.

Abstract: A mixing lid with a pouring device for containers used on stirring machines includes an integral one piece slidable closure for a pouring spout and has a first rearward opened pouring position and a second forward closed sealed position. A removably secured front slide closure plate is provided for closing the spout in the second forward closed position. The slidable closure includes a rear rocker engagement member. An operating lever has front and rear ends and is pivotally mounted on the lid intermediate the ends thereof. The lever includes manual press portion on the rear end and a rocker on the front end engageable with the rocker engagement member. A retaining spring engageable with the integral one piece slidable closure and the removably secured front slidable closure plate is provided for maintaining the removably secured slidable closure plate in contact with the pouring spout when the integral one piece slidable closure is in the first and second positions.

Abstract: A closure cover for sealing a liquid container including a body having an orifice for dispensing the liquid in the container, and a rotating disk pivotally attached to the body and providing an effective seal for the dispensing orifice. The effective seal is created by a downward force upon a sealing gasket, such force being the result of the rotation of the disk member containing a ramp which is moved under a cam on the body.

Abstract: The present invention comprises a method and apparatus for selectively sealing and pouring a liquid from a container. The device includes a hollow vessel 11 having a sealingly attached lid 12. Lid 12 includes communicating deformable pout spouts 16,16a therethrough and an actuating mechanism comprising an actuator member 15, actuator button 14, a transverse actuator member 20 and appended pinch clamps 19 and 19a which, when the actuating mechanism is urged into the null or unactivated position clamps the deformable pour spouts thereby preventing liquid from escaping from the vessel. Conversely, in the actuated position, transverse actuator member 20 and pinch bars 19 and 19a are released and the flexible pour spouts 16 and 16a return to the undeformed position.

Abstract: A dispensing unit for mixing and dispensing a beverage which consists of several constituents, including syrup. The unit dispenses beverage from a bottle having a bottom outlet portion and through a syrup path controlled by a manually operable valve. A gas path in the dispensing unit supplies gas into the bottle for urging the syrup from the bottle and into the syrup path. An additional liquid is permitted to flow to a mixing chamber along with the syrup where they are mixed.

Abstract: A beverage dispensing unit for dispensing syrup from a syrup container and mixing the syrup with diluted water and carbonated water is disclosed. The unit includes a body having a syrup flow path, a gas supply path, and a receiving portion for the syrup container. The interior of the syrup container is linked to the gas supply path which supplies carbon dioxide into the interior of the syrup container so as to drive the syrup out of the syrup container and into the syrup flow path. The syrup container is disposed in the receiving portion which includes a first and second hole such that the first hole is linked to the gas supply path and the second hole is linked to the syrup path. A projecting portion is integrally formed with the receiving portion and includes a separating wall which separates the first and second holes so as to prevent the carbon dioxide from flowing directly from the first hole to the second hole.

Abstract: A device for delivering paints comprises a housing containing a rod which is movable by a microprocessor controlled pneumatic piston, to seal both ends of a discharge duct. The pneumatic piston is activated to move the rod to open both ends of the discharge duct for the delivery of paint. The rod can then be moved to close the discharge duct and avoid the drying of paint within the duct.

Abstract: In an apparatus for providing a mixed beverage which is made of various beverages in a mixing space extending along a predetermined axis, the beverages are supplied to the mixing space so that a selected one of the beverages is discharged to a particular portion on the predetermined axis and that another one of the beverages is discharged to a specific portion around the predetermined axis. As a result, the selected beverage is substantially enveloped in the other beverage in the mixing space. Therefore, mixing is effectively carried out about the beverages. It is a matter of course that the beverages are discharged as the mixed beverage from the mixing space.

Abstract: A lid which is provided with a variable-flow pouring spout and with an improved vent device, particularly for cans of base color for automobile coachwork. The lid includes a vent opening which is provided on an inner face thereof with a channel which leads out at a point close to the edge of the lid, substantially diametrically opposite the pouring spout.

Abstract: An apparatus is provided with has a support frame in which a pair of pressurized containers is mounted. A common pressure plate is fitted over the push button valve of the containers and a single key is used for actuating the push button valves. Each valve is directed on an axis towards a common point so as to create a fog or cloud containing insecticide and/or fungicide.

Abstract: A low profile pneumatic outlet for a covered hopper railway car is disclosed which allows the bottom slope sheets of the hopper car to be moved downwardly closer to the rail thereby increasing the cubic capacity of the car while maintaining the car within AAR clearances. The low profile aspects of the pneumatic outlet result from the provision of an outlet opening in the bottom of the outlet which is opened and closed by a slidable, translatable gate operated by gate opening and closing cam mechanisms positioned generally horizontally with respect to the gate. The preferred gate operating mechanism is a cam operated mechanism which generates a high mechanical advantage initially upon effecting opening movement of the gate thereby to overcome lading and static friction loads, and then, after movement of the gate has been initiated, a lower mechanical advantage is provided so as to more rapidly move the gate toward its open position.

Abstract: A collection container for reusable material with a closed upper structure, which has a bottom opening to a base and to which is pivoted a bottom which can be swung outwardly for emptying, the upper structure having at its top at least one insertion opening, can be very simply and economically made and has a high stability because the upper structure is formed two housing halves, facing each other in a vertical plane and connected to one another by a connecting profile which holds the housing halves together and extends around the upper structure in a vertical plane.

Abstract: A dispenser includes a spout attached to a fluid-filled bag and a socket that is removable attached to the spout. Valves in each of the spout and socket are biased closed but are opened when the socket is latched onto the spout, thereby providing a fluid path from within the bag to the outside. Keying components are provided on each of the spout and socket in order that a fluid connection between them is made only when the key elements match. The valve within the spout extends into the bag when opened and may include a sharp bag wall piercing portion.

Abstract: A tamper evident container closure has a skirt for permanent attachment to the mouth end of a container and a closure crown supported by the skirt. A cover on the closure is displaceable for exposing a well on the closure crown normally closed by the closure. The well has a floor which may be part of a crown panel of the container closure and the well floor has a dispensing opening therein. A rip-out tamper evident element is fixed in closing relation to the opening and requires destructive removal for dispensing access to the opening. A digitally manipulatable handle attached to the element is confined within the well in the closed condition of the cover and is accessible when the cover is displaced from the well for digital manipulation of the handle for forcibly destructively displacing the element from the opening. The portion of the cover over the well may have a sealing surface engageable about the well in the closed position of the cover.

Abstract: The apparatus comprises a hydraulic unit mounted directly on the wall of the bottom of a rotary hopper and supplying hydraulic fluid to each of the jacks mounted on the hopper wall. This hydraulic unit is connected to an energy source on a fixed bracket located in the region of the bottom of the hopper, but which is independent therefrom. As the rotary hopper rotates, the hydraulic unit retains its connection with the energy source. The energy source activates the hydraulic unit, which subsequently opens the hopper.

Abstract: A disposable package comprising a plastic container secured to plastic protective and support members so that the container may be supported in a vertical position during shipment and commercial storage and in a horizontal position, such as refrigerator shelf, for consumer use. In the preferred embodiment, the container contains a desired quantity of beer equal to a conventional case thereof. The container is provided with plastic dispensing apparatus having flow permitting apparatus movable between at least two positions so that in the first position there is no passageway between the fluid inside the container and the outside of the container and in a second position wherein the fluid in the container may be readily dispensed in separate portions over a period of time without degradation of the quality of the remaining portions of the fluid in the container.

Abstract: A touch faucet post-mix drink dispensing system for simultaneous dispensing of syrup and soda with a single valve chamber and two poppets in tandem. The poppets are spaced for positive seating and sequential opening of the soda and syrup flow paths with a single motion of the actuating lever resulting in a reduction of the required actuating force and thereby less load on the drink cup and reduced likelihood of damage to the cup.

Abstract: A dispensing device for materials such as loose fill packaging material, is disclosed. The endwalls of the device housing are formed by corrugated sheets which are slit laterally from side to side and folded over into the inside of the housing to define hinged closure flaps. The housing sidewalls are attached to the endwalls by bolts or screws which extend through or are threaded into lateral flutes defined in the corrugated sheets. Also, cam follower rods are inserted into the flutes of the flaps. The flaps are biased together by a spring attached to the rods and are opened by a handle and attached cam plate.

Abstract: A valve actuating device for a hopper is comprised of two spherical shaped shutters or registers which pivot about common suspension axles. Each of the registers is carried by two pairs of arms located on either side of the bottom of the hopper and is capable of pivoting about two axles mounted respectively on brackets fastened to the bottom on either side of the hopper. The supporting arms of one of the registers are connected respectively to the piston rods of two hydraulic jacks mounted pivotally on the brackets; and the first pair of supporting arms experiencing the action of the hydraulic jacks are connected respectively to the second pair of supporting arms by use of a linkage articulated on the bracket.

Abstract: A metering dispenser including a metering chamber having an inlet port and an outlet port, an inlet valve for admitting flowable material to the metering chamber through the inlet port, an outlet valve for allowing discharge of the material. To control operation of the inlet and outlet valves, a valve control member is operatively associated with the inlet and outlet valves and is pivotally movable between two extreme limits of pivotal movement which correspond respectively to fill and discharge conditions of the dispenser. A control biasing spring is associated with the valve control member and biases the valve control member towards the one of the extreme limits of pivotal movement corresponding to the dispenser being in the fill condition. An actuator is operative to move the valve control member against the action of the biasing spring. The valve control may be mechanically operative to control operation of the inlet and outlet valves.