With wall-collapsing means

A process for forming a collapsable tube having a flexible inner tube and a resilient outer tube. A shoulder member is formed having connecting surfaces. A flexible inner tube is joined to the shoulder member at a connecting surface. An outer tube encompassing the inner tube is joined to the shoulder...     

A fluid or paste dispenser in which use is made of a housing embodying the content material, with the bottom wall of the housing being displaceable axially relative to the housing for pressurizing the content material within the bag.

An aerosol dispensing system having an outer container, compressible inner container positioned within the outer container, means to compress the compressible container, and a mechanical breakup spray head and valve assembly connected to the compressible container. A relatively non-foaming liquid product...     

A rollonet designed to provide positive displacement of liquid rocket prolants for missle tankage comprising an inner and outer diaphragm each in the form of a continuous cylinder with a piston head therebetween. Gas pressure acting on the piston head imparts an axial thrust on the prerolled portions...     

An apparatus for supplying aseptic fluids to a field of operation, as in surgery, especially bone surgery, includes a holder for the aseptic fluid which has elastically deformable walls, an outlet pipe which can be connected to the operating field, and a container surrounding the deformable holder to...     

An aerosol dispenser of the hand-held type, comprising a can which contains a flexible, collapsible bag having the substance to be discharged. A valve on the can communicates with the bag to effect the discharge. In the can a spring engages a wall portion of the bag, tending to collapse the same, and...     

A rigid housing accommodates a flexible envelope of amorphous material. The housing has air under pressure therein and an open end coincident with the open end of the envelope of material. A housing cover of flexible material encloses the open end of the housing and has an opening formed through the...     

A valve-actuated aerosol package for separately storing and simultaneously dispensing in the form of a spray or stream a plurality of flowable materials. The package comprising a self-standing first container closed at one end with a dispensing valve at its opposite end and forming a first chamber. A...     

Apparatus for monitoring the drop of the level of the liquid in a plastic bag that is used during the intravenous administration of a solution includes a housing in which switch means having an integral, spring actuated contact means is mounted with the switch means being electrically connected to alarm...     

A device is provided for opening a flexible container and dispensing its contents in a convenient, efficient manner. Gripping means secure one end of the container. A serrated edge lies along the opposite end of the container. A scraper is mounted along the device and is slidable between the gripping...     

An osmotic dispenser is described which is capable of releasing to its outside environment concentrations of active agent at an osmotically controlled rate over a prolonged period of time, and the active agent formulation of which is a solid or semisolid at storage temperatures, advantageously room temperature,...     

A smoke marker for indicating the location of a target drone. An aluminum tube with one open end and one closed end contains a polyethylene bottle filled with titanium tetrachloride, a smoke chemical. The bottle is held in place within the tube by means of set screws adjacent the bottle's neck. A nylon...     

A container for dispensing toothpaste is adapted to receive a flexible tube of toothpaste. The container includes a toy figure holding a simulated tube of toothpaste, wherein the arm and hand holding the simulated tube is in an extended horizontal plane. A squeezing mechanism is provided for squeezing...     

A liquid expulsion device having a tank enclosing a flexible bladder containing liquid to be expelled and an insoluble gas. Prior to expulsion the combined liquid and gas volume remains constant so that during environmental changes the bladder is forced into intimate flush contact with the tank and is...     

This invention pertains to a dispensing container, consisting of two bellows containers placed one into the other. Both containers are interconnected and collapse together. There is a mechanism integrally built with the external container to pressurize fluid substances between the walls of the containers,...     

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.

In a pressurized dispensing container, the product to be dispensed is separated from a propelling gas by a flexible inner pocket moulded integrally in a single piece of plastic material with a rigid hollow outer body of the container. The pocket may be moulded as a relatively small tubular blank, which...     

A spraying device comprises an outer compressible container and an inner compressible container. The outer container the interior of which having no communication with the surrounding atmosphere contains a preferably liquid active substance whereas the inner container initially contains air. The inner...     

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...     

An improved pressure package of the type having a generally rigid container, a liner within the container forming a reservoir containing a product to be dispensed under the influence of a propellant outside the reservoir and valve means closing the container wherein the improvement is the product has...     

A non-aerosol type spray device comprising a container for housing a liquid content material to be dispensed and a plunger slidable as a piston within the container and an elongate tubular member for actuating the plunger with a bore extending continuously therethrough for communication with the interior...     

A propellantless aerosol container wherein an elastic expelling member is sleeved over a flexible product containing member and carried within a rigid container body. Retainers, releasable from without the container, are provided whereby the expelling member may be extended and retained in the extended...     

A fluid transfer device including a casing having a fluid port, a flexible wall container in the casing and communicating exteriorly thereof through the fluid port, a resiliently biased plunger in the casing urged toward the container for collapsing the latter and expelling fluid through the port, and...     

A pressure infusion device includes a bladder as part of the cuff in which a fluid filled plastic bag is encased wherein the bladder surrounds at least eighty per cent of the plastic bag, and, upon fluid being pumped into the bladder, the fluid in the plastic bag is infused under pressure to a patient.

The disclosure is directed to a fluid product dispenser. The dispenser includes first and second containers. The second container is positioned within the first container. The product is placed in one of the containers and a dispensing nozzle or opening is in communication with the product. The second...     

An aerosol dispenser including a outer casing, an product containing bag within said casing and sealingly secured thereto at a point of interconnection between the casing and a cap carrying a dispensing valve. Pressurized propellant is disposed between the casing and the bag.

A hand held atomizer washing device comprises a housing having a large reservoir for containing water and a small flexible walled reservoir mounted inside the larger reservoir for containing a liquid detergent, a hand pump incorporated in the handle of the device for pressurizing the large chamber and...     

A replaceable cartridge for a dispenser comprises an elongated collapsible envelope for containing the material to be dispensed. The cartridge includes a tubular body portion and two end walls which are of one-piece with the tubular body portion. The cartridge is constituted by a thin-walled, flexible,...     

The disclosure is directed to a fluid product dispenser. The dispenser includes first and second containers. The second container is positioned within the first container. The product is placed in one of the containers and a dispensing nozzle or opening is in communication with the product. The second...     

In an aerosol dispensing container of the kind having a collapsible bag separating the propellant from the product to be dispensed, an elongate core member is arranged completely free, loose and unattached within the bag to prevent pockets of product becoming isolated from the dispensing valve when the...     

A can for housing and dispensing liquid or pasty masses under pressure, comprising a substantially dimensionally stable, pressure-tight outer container having an opening edge upon which there is sealingly secured a valve plate equipped with a dispensing valve. An at least partially deformable inner container...     

The invention employs combination spring and sponge power to dispense fluids and semi-solids from a container. A spring or springs are preferably molded into a compressible foam mass, such as polyurethane, and the combination is then compressed and positioned within a container, along with the material...     

A geodesic, oblate spheroidally-shaped tank is disclosed containing a reversible diaphragm disposed within the tank. Liquid propellant is stored in the diaphragm housed within the tank, the propellant being expelled through an exit orifice of the tank by applying pressurant through an inlet orifice of...     

A storage system for a combustible gas comprises a collapsible container selectively connectable to a source of the gas and to a suitable discharge point together with means effective cyclically to produce controlled expansion of the container so as to enable gas to be transferred from the source for...     

In a syringe comprising a barrel and a plunger reciprocably mounted therein the end wall of the barrel at the discharge end thereof is formed by a disposable container removably attached to the barrel. A flexible wall portion of the container facing the plunger is moved towards and away from a rigid...     

Collapsing bladder positive expulsion devices are provided in which the bladder itself is configured to have areas of longitudinal stiffening such that upon the application of external pressure the bladder can be caused to collapse inwardly upon itself in a predetermined fashion without the requirement...     

A storage and dispensing device for bulk carbonated beverages, for home use, comprising a two-part unit, a carrier portion providing support as well as a pressure medium and pressure means, and a separate cartridge unit containing the beverage to be dispensed through a beverage outlet; the cartridge...     

A liquid dispenser for a container which may have a flexible liner for holding liquid, for expelling the liquid therefrom. The dispenser is easily attachable to containers having a common inlet and outlet, and upon depression of a button will permit the liquid in the container to be dispensed from the...     

A composite structure is shown wherein a fibrous body or a tube such as a convolute or spirally wound paper tube or mold pulp bucket supports a plastic liner within the body to form a container. The material forming the mouth of the plastic liner is overlapped around at least one end of the supporting...     

A container of variable volume is disclosed consisting of parallel spaced polygon surfaces peripherally interconnected via triangular surfaces which join one another. The triangular surfaces are shaped and interconnected such that when the two polygons move relative to one another they undergo a rotational...     

Apparatus for the parenteral fluid administration to a patient including a pressure applying piston to apply pressure to a flexible bag containing the parenteral fluid. The piston has an indicator to indicate its movement and stop devices are provided which can be adjustably positioned to give the piston...     

A system for concurrently supplying a liquid and drive gas to a gas-driven tool includes a drive gas source and conduit means connecting the drive gas source to the tool. Exhaust conduit means connect the tool to exhaust sensor means. A liquid source is connected to the tool by liquid conduit means....     

A compartmented aerosol container wherein an open ended container body has disposed therein a pouch which is bonded to the container body adjacent the open end thereof in sealed relation. The pouch receives the product to be dispensed and defines a first compartment. A second compartment is formed outside...     

A flexible tube and closure includes a hollow body which terminates forwardly in a closable nozzle and rearwardly in a sealed area to retain a paste-like material therewithin. An expeller is movable from the rear sealed closure towards the front opening to rearwardly squeeze the body to force the material...     

An invertible pump sprayer is disclosed which enables a spray to be produced even with liquid material having viscosities as high as 100 cps. and regardless of the direction in which the spray is directed. The pump sprayer comprises a flexible container for containing the liquid material to be dispensed...     

A bin made of flexible bag material is disclosed for containing granular free flowing material and for discharging the entire mass of stored material remaining in the bin after discharge by gravity alone. The granular material is intially discharged through a discharge port of the bin by gravity until...     

A blood infusion pump designed to be employed in combination with a blood bag. The blood bag is located within a storage container. The storage container includes an inflatable bladder. Pressurized fluid is to be conducted within the inflatable bladder which presses against the blood bag to cause discharge...     

A device, noteworthy by its compact construction, portability and use of a constant torque spring to dispense liquid under a uniform force, in which binding due to possible rotative movement in the slide that is powered by the torque spring is obviated, so that the slide tracks properly during liquid-dispensing...     

A two-compartment dispenser of fluent material includes a primary compartment having a collapsible wall and initially holding the main body of the material, a secondary compartment, and a compartment separator that forms a barrier between the two compartments and has a passage for the fluent material...     

An apparatus for processing a sensitive material, specifically, photographic film which has been exposed, in which the processing liquids and washing water needed for developing, fixing and washing the film are supplied from removable cartridges. Liquid from the various cartridges is pumped to respective...     

An apparatus for rapid infusion of blood or other fluid into a patient provides a pneumatic bladder supported within a housing having a rigid back and two rigid sides attached thereto. A hinged door with a clear, rigid window therein supports on its inner surface one or two unit bags containing fluid,...     

Apparatus and method for unloading bulk material (M) from a rectangular trailer (10') comprising a collapsible rectangular liner (29) having a collapsible funnel-shaped base (31), said liner being hung extended in said container with said base (31) collapsed and its discharge opening (32) inserted in...     

There is disclosed herein a gas pressure operated dispensing container for viscous liquids in which a collapsible compartment containing the liquid is mounted inside a pressurized canister and has an end closure fitted with a dispensing valve having a elastomeric valve seal inside the compartment. A...     

A pressure infusor for introduction of fluids into the human body. Two sheets of polyurethane overlie each other and are continuously sealed to form an air-inflatable bladder. A strip of polyurethane projects from one vertical margin of the bladder to wrap completely around the liquid-filled bag. A narrow...     

Involved is a device, noteworthy by its compact construction, portability and use of a cooperating pair of constant torque springs to dispense liquid under a uniform force, in which any binding in the slide that is urged through movement by the torque springs is obviated, so that the slide tracks properly...     

A liquid dispenser includes a flexible bag, an enclosing box and an actuator. The bag is formed with two chambers, a supply chamber and a discharge chamber, and a hole through which the actuator moves. The discharge chamber has a discharge member which is acted upon by the actuator to dispense a measured...     

A collapsible tube container having a stiff non-collapsible wall portion with a progressively engagable tube follower for dispensing the material within the tube. The stiffened wall portion of the tube is engaged by the follower for progressive and controlled advancement along the length of the tube.

A toothpaste extractor or dispenser having a pneumatic pump connected to a syringe assembly that injects compressed air inside a toothpaste tube thereby urging the phase out through a nozzle positioned above a carrier assembly where the user's toothbrush is engaged. The user's force pushing the carrier...     

To prevent a bag-in-box type of container comprising a box enclosing a flexible bag from sagging, bulging or leaking when the bag is filled with a pressurized liquid, such as a carbonated beverage, the bag is located either inside a tube of rigid or inelastic material or inside a closed sleeve of elastic...     

A wall fixture containing a liquid dispenser, the fixture comprising a bracket having an upstanding plate from the bottom of which a shelf having a nozzle hole extends forwardly and a cover adapted to open and close in front of the plate and shelf, the dispenser comprising a flexible bag having front...     

A pressure infusion system including a flexible bag containing a quantity of liquid to be infused, a pressure cuff for causing the liquid to be forced from the bag, and a control assembly for controlling the pressure cuff. The control assembly includes a manually operative valve for allowing pressurized...     

An inner container having a dispensing valve is situated within a flexible sack which in turn is situated within an outer container having a cover and a dispensing valve. The sack contains one package component and the inner container contains the other package component and a propellant. A further propellant...     

A dispensing system includes a support stand adapted to slidably support at least one portable modular dispenser housing in which is mounted a flexible fluid impervious container having a flowable food product contained in sealed relation therein and to which a compressible flow tube is affixed having...     

A dispensing container of the type comprising a tube, a transverse end wall in which is fixed an outwardly projecting nozzle, and a plunger slidably mounted within the tube to dispense a first material within the tube through the nozzle. At least one hose is fixed to the tube, a second material to be...     

Fermentation method and apparatus comprising an outer container with a plastics bag hung from the neck of the container to define a chamber between the bag and the container. Means to pressurize the chamber with a temperature controlled medium to control fermentation of material within the bag. Additional...     

A portable dispensing system includes a hollow body having two ends. A head is removably mounted on one end of the body and has an opening therethrough. A piston mechanism is removably mounted at the other end of the body. A valve mechanism for opening in response to pressure created by the piston mechanism...     

A cartridge holds liquid, fluid or semi-fluid substances in tubes, and the cartridge is set in an extractor. The cartridge can all extract the charged substance, prevent it from flowing out, and extract the substance quantitatively. Another embodiment of the cartridge is integrally provided with a needle...     

A device for dispensing plastic material from a bag-like container. A case surrounds the bag-like container. An opening in a wall of the case receives the spout of the bag-like container. A panel of the case is releasable and can be urged along the case while bearing on the bag-like container to cause...     

A package for dispensing a carbonated beverage pre-mix at a controlled flow rate in the micro-gravity conditions of outer space comprising a rigid outer container, a collapsible bag in the container, and an adjustable flow rate control valve. Positive pressure is applied to the collapsible container...     

A fluid storage-expulsion system composed of a tank having two poles and being shaped by one or more surfaces of revolution, the tank having a diametral plane and being substantially symmetrical thereabout, a fluid inlet-outlet on one side of the diametral plane, a pressurant inlet on the other side...     

A container for carbonated beverages has an outer casing for containing a collapsible bag with a tap in which the beverage is stored and a resilient diaphragm surrounding the bag and urging it at all times towards an end closure member through which the tap of the bag projects, the diaphragm exerting...     

A molded extensible-collapsible container having a series of flutes, in the generic sense, in its side to permit the container when subjected to an external force to move to a collapsed position or to the extended position when preferably the yield point of the plastic is no greater than about 5% and...     

A device for use with flexible, collapsible plastic tubes containing a pliable substance for extrusion through an opening in the tube is disclosed which effectively strips the substance in the tube toward the end of the tube having the opening. The device includes a handle and has a slot disposed near...     

A housing having exterior lateral side walls, top and bottom side walls and a single internal wall running adjacent to a lateral side wall. The housing defines an internal rectangular compartment and a parallel side track between the adjacent internal and external walls. A collapsible bag filled with...     

A dispenser for controlling the dispensing of a liquid from a container, such as a bottle having an opening through which liquid may be poured, is provided in combination with a bladder insertable within the container and expansible incident to dispensing of liquid for occupying a volume corresponding...     

An improved diaphragm-type fluid storage amd expulsion system includes a rigid elongated guide member secured to the polar region of an expulsion diaphragm and journalled for axially sliding movement through a sleeve located in the corresponding polar region of a tank. The guide member provides support...     

A lotion blending and dispensing unit is disclosed herein for internally combining and then discharging a composite lotion or solution which includes a cylindrical housing having a storage chamber for enclosing at least a pair of lotion containers removably mounted on a mounting block. The block is provided...     

A fluid discharge device has a fixed member provided with a hollow cylindrical piston having a normally-closed valve on its upper surface, a press member provided with a hollow cylinder which has a normally-closed valve on its upper surface, and which is fitted slidably around the piston, and a storage...     

A container for carbonated beverages has an outer casing for containing a collapsible bag with a tap in which the beverage is stored and a resilient diaphragm surrounding the bag and urging it at all times towards an end closure member through which the tap of the bag projects, the diaphragm exerting...     

A tubular article, such as a plastic bottle, of optionally stepped cross-sections, with one section next to one of the steps incorporating near vertical tucks permits collapsing of the article. Under an axial force, the bottle or article will collapse in a telescoping manner by inverting inside for outside...     

A method of manufacturing and using a plastic bottle for dispensing thick, viscous liquids while preventing the drying and thickening thereof. The bottle is manufactured by attaching a top edge of a thin-walled, plastic, liquid-containing bag to a cylindrical collar; rolling the bag on the collar to...     

A container for dispensing a refrigerant as a liquid under pressure includes a vessel for holding the refrigerant. The bladder in the vessel has a relatively small amount of a liquid having a higher vapor pressure greater than the vapor pressure of the refrigerant. The bladded has flexible walls so that...     

The present invention relates to an anti-burp nursing bottle combination which includes an open ended shell adapted for containing a collapsible liquid container therein and a nipple on the upper end of the open ended shell in open communication with the collapsible liquid container and held in place...     

A single use, single dose injection administering device including a drug or vaccine containing body and a needle wherein the sidewalls have memory causing at least one sidewall to collapse into the other during the administration of the vaccine.

A countertop pressurized beverage system includes an outer housing, and an inner flexible Mylar bag containing a potable liquid, such as beer or a carbonated beverage, requiring pressurization. A closed plastic container capable of withstanding substantial pressure encloses the flexible bag, and is mounted...     

A fixture for a bag-type liquid dispenser has a bracket having an upstanding plate for attachment to a wall and from the bottom of which a shelf having a nozzle hole extends forwardly, and a cover adapted to open and close in front of the plate and shelf. The dispenser has a flexible bag in which the...     

Apparatus for dispensing predetermined amounts of viscous product. The apparatus has a conduit which is telescopically received with a cap. The cap and conduit define an expandable dosing chamber which expands to a predetermined maximum volume when product is introduced into the chamber through the conduit....     

An apparatus is disclosed which dispenses a metered quantity of a liquid. The apparatus uses a roller and base pad to form a nip which receives a dispensing leg of a container. Movement of the roller along the base pad causes liquid within the dispensing leg to be dispensed through a pressure responsive...     

A product bag for a barrier pack product-dispensing can includes a hollow receptacle comprising a cylindrical middle section with frustum-shaped sections connected to the top and bottom thereof. The lower, closed narrower end of the bottom section has a tubular projection attached thereto and extending...     

A single-use disposable syringe. In the syringe, a reservoir is formed of two sheets of thermoplastic material having expanded central portions that form a pair of convex domes. Both of the domes are compressible, and a connecting member spaces apart the domes. In response to complete compression of...     

A dispensing can for cosmetic, medicinal or any other type of viscous substances is disclosed. The can comprises a can body provided with a container of the substance and a dispensing head which can be opened or closed under command. The can also has a container consisting of a flexible material and...     

An automatic drip bottle set for medical drip infusion which includes an expansion drip bottle received in a cylinder covered by a spring pressure assembly having a hanger mounted thereon at the top for suspending the set, and a spring received therein to provide a pressure force against the expansion...     

This invention relates to equipment assisting the discharge of particulate materials from intermediate bulk containers of the kind comprising an outer bag having an inner lining comprising frame members to which the upper end of the outer bag of an intermediate bulk container can be anchored, cord devices...     

A pair of superimposed panels are heat sealed together to define a reservoir in a dispenser pouch, adapted to contain a liquid therein. A spout is formed in offset relationship on a lower end of the pouch and defines a charging chamber that communicates with the reservoir to retain a pre-measured charge...     

This invention relates generally to the fluid of water tanks. More specifically this invention relates to water tank structure and quick change fittings for tanks which are adapted for the storage and dispensing of drinking water although any liquid could be used. The instant invention is a tank structure...     

An apparatus is provided for dispensing soft serve frozen confections such as ice creams and yogurts. A collapsible container is adapted to contain a frozen confection and is formed to include an outlet of sufficient size to permit extrusion of frozen confection into an outlet conduit. The apparatus...     

A disposable pressure cuff for use in pressurizing an infusion bag includes a bladder formed of a flexible laminate to have a pair of opposed flaps, between which the lateral edges of a transparent sheet are attached to provide a pocket for holding the infusion bag. Linear joints are provided at the...     

A portable infusion device which can be user operated almost anywhere for administration of a solution at a substantially steady flow rate from storage, the device comprising in combination a flow restrictor and a propulsion system using a pressure medium carried in a flexible extendible container for...     

The invention relates to a receptacle for dispensing a viscous substance. A receptacle body contains resilient structure bearing against the inside wall of the receptacle body. This structure comprise first and second spring-forming resilient blades with a reservoir made of flexible material placed between...     

A compressed gas container for spraying liquid from an essentially pressureless, compressable product receptacle which is enclosed by an elastically prestressed hollow cylinder made of elastomeric material. The hollow cylinder is able to expand in one direction only and is acted upon by a pressurized...