Abstract: A method and apparatus are disclosed for calibrating the individual amounts of each of several different reactive components separately recirculated in a closed loop system wherein separate portions of such components are periodically withdrawn from the system and intermixed in a mixing head of a reaction injection molding machine for delivery in homogeneously mixed condition to a closed mold under pressure. Calibrating means is provided to enable accurate monitoring and correction of the relative proportions of the reactive components delivered to the chamber of the mixing head, under actual operating pressure conditions prevailing during an actual injection molding operation, without substantially interrupting the molding process or requiring any dismantling of the apparatus to gain access to the individual component streams.

Abstract: This invention provides vending and dispensing apparatus comprising a housing having a bin section and a dispensing section separated by a belt type conveyor. The conveyor embodies means which in the movement thereof serve not only to influence elements of a conglomerate mass of material stored in the bin section to separate one from the other but to carry elements of the separated material to the dispensing section for their discharge in a relatively individualized form.The invention also features a mobile dispensing unit which may be be backed up to receive the discharge from the dispensing section of the above described housing and moved to deliver measured amounts of the material to a plurality of remote stations. The mobile unit embodies a storage type receiving chamber having a movable bottom wall structure including a pocket which accommodates a measured amount of the material delivered to the storage chamber.

Abstract: In a hot melt adhesive dispensing gun, an electronic circuit is constructed to enable the operator to set a desired temperature to which the glue is heated. This set point is automatically raised a predetermined amount when the glue is flowing in order to compensate for the drop in temperature caused by the loss of heat to the glue and atmosphere.

Abstract: The subject matter of the invention is a closable sterile container and the associated closure cap, which can simultaneously be used as a pipette and which is a tamper-proof closure in conjunction with the container.

Abstract: A hand drive for manually operating a blender-type gasoline dispenser in the event of power disruption, including a crank operated shaft mounted for rotation and which is axially presettable relative to the pump drives for selectively operating either or both of the dispenser pumps. Laterally extending from the shaft are a pair of spaced pins for rotatably coupling the shaft with the drive sheave of the selected pump or pumps. Presetting the shaft axially with the pins in a first position rotatably couples the shaft via one of the pins to one sheave for high octane dispensing while the other pin and respective sheave remain disengaged. Setting the shaft in a second position rotatably couples the shaft via the other of the pins to the second sheave for low octane dispensing while the first pin and respective sheave remain disengaged.

Abstract: A pressurized container-dispenser characterized by a separate pressure source chamber containing a gas-adsorbent solid and an adsorbable gas and having means to transmit source chamber pressure to a product chamber for dispensing of a product therefrom. Preferred transmission means include a moveable wall separating the product and source chambers, a check valve, a constant pressure valve, and a membrane of the type allowing passage of gas but resisting passage of non-gaseous fluid. In a preferred embodiment the source chamber is defined by an enclosure of substantially fixed volume secured adjacent the product chamber. In another, the source chamber is defined by an unsupported enclosure free within the product chamber.

Abstract: A magazine into which a plurality of fixtures holding integrated circuit chips can be inserted serially by a machine and from which the fixtures can be removed serially by a machine. The fixtures are loaded through an opening in the bottom of the magazine and are removed from the magazine through the same opening. The magazine provides protection to the fixtures and chips held by the fixtures during storage and handling encountered in the typical manufacturing environment for electronic systems. The magazine facilitates automating the processes of accumulating fixtures holding integrated circuits of a given type and of assembling in one magazine the desired number of fixtures holding integrated circuit chips of the appropriate types preparatory to mounting the chips on a multilayer substrate.

Abstract: A lather generator operable to receive liquid soap and a suitable gas under pressure from separate sources into a mixing chamber in such a manner as to produce a thorough intermixture thereof, and then to pass the mixture through a series of successively larger expansion chambers interconnected by restricted passageways, lather being discharged from the final expansion chamber of the series.

Abstract: Operating fluid pressure is supplied to a fluid motor past a modulating operating fluid pressure and a work pressure so as to control the work pressure.

Abstract: Tube squeezing device for deformable tubes of the type containing soft paste, comprising two jaws pivotally connected to each other, each jaw comprising a squeezing cylinder, the tube to be squeezed being held between the two cylinders, and means for providing the rotation of one of the squeezing cylinders thus determining the advancing of the device along the tube. Means being provided for preventing the moving back of the device over the squeezed part of the tube; and further means for providing the disengagement of the tube from the device.

Abstract: Improved apparatus for dispensing a liquid from a large container having a necked upper opening, which comprises discharge and flow initiating conduits passing into the bottle through an appropriate stopper, the former including a pinchclamp and a capped dispensing nozzle, and the latter including a manual bulb air pump having appropriate check valves so that the flow from the discharge conduit, once started, may continue by siphon action or by the intermittent injection of pressure, depending on the rate of flow desired.

Abstract: A device is provided for dispensing materials contained within a collapsible tube. The device includes a spring-biased movable casing which is fitted within a housing and gradually moves upward into the housing as the contents of a collapsible tube mounted within the casing is expelled. The casing is provided with opposing longitudinal slots through which extends a shaft connected to the end of a collapsible tube. The dispensing outlet of the collapsible tube is extended through an orifice in the casing end cover. The upper portion of the casing is provided with a compression spring biased against the shaft and a top casing cover. The shaft is mounted between the stationary sidewalls of the housing for rotation, and as one twists the shaft and expells the contents of the collapsible tube, the compression spring will move the casing upwardly through the housing.

Abstract: A safety reservoir is disclosed which is particularly suitable for use as a fuel tank in land, air or marine vehicles and which comprises a flexible inner reservoir of elastomeric sheet material contained within a rigid chamber formed of at least two part-shells joined together by means capable of releasing the shell parts under the effect of a predetermined impact or force. Self closing valve means of deformable elastomeric material are provided at inlet and outlet orifices to the flexible inner reservoir for sealing the reservoir upon removal of filling or emptying tubes or nozzles therefrom. Also disclosed is the use of a liquid impervious film of low tensile strength within the inner reservoir.

Abstract: A portable transferring and metering apparatus is provided which permits quick and easy transfer of chemical fluids from one container to another without unnecessary exposure of the operator to chemicals being transferred. An adjustable metering device controls the transfer of a desired volume of chemicals and shuts down the transfer pump upon completed transfer of that volume of chemicals.

Abstract: This invention relates to a metering device for use in a developing apparatus operating on the electrostatic imaging principle, which comprises a plurality of chamber means movable into a developer cycle, and means for filling said chamber means with a developer liquid comprising a high resistance liquid phase and a fine-grained solid phase.

Abstract: A liquid dispensing burette adapted to be mounted on the top of a reagent bottle or container and having inlet and outlet conduits provided with ball check valves in communication with an upstanding burette barrel containing a plunger. The barrel has a volumetric scale and a shield member is secured to the top of the plunger and extends downwardly over the barrel. The shield member has a large window aperture for viewing the scale and has a depending vertical rod fixed therein adjacent the window aperture. A magnifying indicator is adjustably mounted on the rod and overlies the scale, and has a set screw projecting through the window aperture for adjusting the vertical indicator relative to the scale, for setting the volume to be dispensed. The magnifying indicator is engageable with a stop member at the top of the barrel to limit liquid intake produced by upward extension of the plunger in accordance with the set volume.

Abstract: Apparatus for protecting the doors and other side members of an automotive vehicular body from damaging contact by foreign objects such as doors of adjacent vehicles. The present protective apparatus, which is particularly useful for protecting automobiles in parking lots or other locations where parked in close proximity, includes a number of elongate protective members disconnectably joined together by resilient elongatable means to form an array which extends alongside an automobile. Attachment members are provided at both ends of the array for attachment to locations such as the wheel openings in the fenders of an automobile. The resilient interconnection of the separate elongate members allows the members to be readily folded back alongside one another to provide a compact and easily-stowed article, when removed from the outside of an automobile. The members include a locking feature which engages a locked door of an automobile to prevent theft of the protective apparatus.

Abstract: A dispensing valve for carbonated beverage bottles having means for connection of the valve body to the bottle neck in place of its closure cap, and comprising a flexible tube extending therethrough and arranged to pass down into the bottom of the bottle at one end and to extend to the outside of the valve body as a dispensing spout at its other end. Mechanism within the valve body normally squeezes a portion of the flexible tube passing therethrough into collapsed, cut-off or sealing condition, subject to push-button actuation operative to release the tube for manual controlled dispensing of the pressurized fluid through the spout. The bottle connection means includes resilient washer mechanism for sealing the tube with respect to the valve body, thereby preventing pressurized fluid or gas leakage between the tubing and the valve body.

Abstract: An aerosol container includes a housing and a manually operable discharge valve mounted thereon for the dispensing of a liquid from the container. A reservoir for the liquid to be dispensed is mounted within the container and a chamber adapted to contain a supply of pressurized air is also mounted within the container. An air pump is mounted within the housing adapted to develop a supply of pressurized air upon oscillatory motion of the container by shaking. The container is so constructed as to provide for the withdrawal of liquid from the reservoir and for the discharge of the liquid thus withdrawn from the discharge valve under the influence of the pressurized air.

Abstract: An aerosol container having a propellant means and a flexible product bag enclosed within a flexible deformable plastic container such as polyethylene. The propellant causes the product in the bag to discharge which reduces the volume of the product in the enclosing container thus reducing the pressure of the gas within the container to subatmospheric pressure. This collapses the container and is an indication that the contents have been used.