Abstract: 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 is mounted on the head adjacent the opening. The valve mechanism includes a casing, a jaw slidably mounted on the casing for movement between an opened and closed position, and a spring mechanism urging the jaw to the closed position and yielding to pressure increases in the body. A flexible pouch is provided for receipt in the body. The pouch includes a main body made of a flexible material and a discharge portion which is integral with the main body. The discharge portion is capable of passing through the opening of the head and is for engagement with the jaw. Preferably, the pouch is fitmentless.

Abstract: A lubrication system for expendable turbine engines, or for emergency use with durable engines, comprises a housing receiving a collapsible bladder filled with lubricant, and means for penetrating the bladder and communicating the lubricant to a receiver upon the occurrence of a predetermined event.

Abstract: A vacuum pump dispenser has a primary compartment and a pumping compartment. The pumping compartment has an vacuum pump, having a flexible dome, movable to reduce the volume of the pumping compartment and dispense product therefrom, and a spout, having an opening through which product is dispensed, extending from the pumping compartment. The dispenser is self-sealing because the spout is sealed by a closure member having a sealing tip. The closure member is biased into a position where the tip closes the opening in the spout when the pumping compartment is in an unoperated position. The closure member is responsive to movement of the the flexible dome to move the tip out of the closed position to permit dispensing.

Abstract: The gas supply mechanism includes a main body, a nut, a packing having an O-ring part and a ringlike flange part, a piercing body and a valve housing. The O-ring part fits well the sealing cover of a gas cartridge even if the surface of the sealing cover is not flat. The valve housing has a gas passage and a bypass which enables to prevent pulsation of gas flow.

Abstract: A closure for a disposable container is disclosed from which a liquid may be pressure dispensed. The container has a mouth and the closure comprises a closure body cooperable with the container mouth for closing the container mouth. The closure body is sealably secured with respect to the container mouth and a nipple is provided on the inner face of the closure body for operatively securing a dip tube thereto, with the dip tube extending into the liquid within the container. The nipple is centrally located with respect to the mouth.

Abstract: A device for mixing and spraying a mixture composed of at least two components, such as liquids, and of a propellant, comprising two containers disposed within each other for receiving the components to be mixed and the propellant, and comprising a dispensing valve mounted on the outer container and including a movably mounted dispensing tube. The dispensing valve is adapted to act on a closure member of the inner container in such a way that the inner container may be broken open by normal actuation of the dispensing valve or the dispensing tube thereof. In order to achieve and maintain a defined fluid communication between the interior of the inner container and the interior of the outer container, the closure member of the inner container preferably includes a sealing cap adapted to be pushed or urged into the container opening by the dispensing tube of the dispensing valve.

Abstract: A combination mixing and discharge capsule for storing separate ingredients which are to be mixed together prior to use and including a container body for one ingredient closed at one end by a slidable piston and the opposite end being displaceably received in a cup-shaped cap which forms a second compartment with a perforated wall of the container body opposite the end containing the piston for receiving a frangible pillow containing a liquid second ingredient to be mixed with the ingredient in the body. The cap has a discharge nozzle extending axially therefrom and when the cap is displaced farther onto the body the innermost wall of the pillow is burst to cause the discharge of the liquid ingredient through the perforated wall end into the container body for mixing with the ingredient therein.

Abstract: A wettable spray box for dispensing wettable agricultural spray powders in a tank of spray equipment so as to protect the operator from exposure to the powders is disclosed. The spray box comprises a box (10) with a lid (12) for attachment to the spray tank. The bottom of the box is fitted with a main pipe (18) which extends into the spray tank. A fill pipe (24) extends part way down the interior of the main pipe (18) and is connected to a source of water. One or more knives (34) within the box (10) are positioned to slit a bag of wettable powder which is inserted into the box. A water injector (40) extends into the slit bag, and a spray head (48) is positioned near the top of the box. An inserted bag is prevented from falling to the bottom of the box (10) by a rack or screen (28). In use, an unopened bag of wettable spray material is inserted into the box (10) and the lid (12) is closed to seal the box.

Abstract: An apparatus for producing and spraying a mixture consisting of at least two components, e.g. liquids, and a propellant gas, comprising two nested containers for housing the components and the propellant gas and a discharge valve which is disposed at the outer container and has a small discharge tube operable from outside to establish fluid communication with the interior of the outer container. The inner container has a closure including a desired rupture site at its end remote from the discharge valve or facing the bottom of the outer container. The rupture site is adapted to be broken from outside by means of a crusher acting through the bottom of the outer container and establishing fluid communication between the inner and outer containers.

Abstract: A development installation and storage device for an electrostatic printer which uses liquid developer is provided. The device includes a removable reservoir having a first compartment for liquid developer and a second compartment for concentrate of the liquid developers, the two compartments being separated by a wall and having respective openings adjacently disposed on each side of the wall. A connector on the reservoir connects the development station of the electrostatic printer with the first and second compartments through the respective openings, and a closing member is removably attached to the connector for tightly insulating the first and second compartments during transportation of the reservoir.

Abstract: An apparatus for applying adhesive or adhesive pastes in strips on construction or building surfaces comprising a heated hopper container for adhesive mounted on a traveling positive displacement pump, a manifold at the pump outlet provided with a plurality of moveable outlet openings and connected to separate conveying tubes and application nozzles, the positive displacement pump having a widened intake cross-section or a feed screw with a widened in-take cross-section and the hopper having a cylindrical upper section and a lower section conical in only one plane with a heatable screen grid in the transition point between the upper and lower hopper sections, the feed screw and the pump being at least partially heated, the drive shaft of the pump being provided with a safety crank and thermostatically controlled heating element and the hopper being provided with a closable by-pass carrying 2 or more individually or jointly, adjustable horizontally and vertically and elastically rotable slot nozzles mounted sl

Abstract: A valve fitment (3) for a two-chamber compressed gas packaging container with product components in an inner and an outer container (1, 2) for mixing thereof in the outer container (1) before discharge of the mixture has a discharge pipe (6) which is sealingly axially displaceably guided in an opening (17) in a cover (7) of the outer container (1), which is smaller than the outside diameter, for simultaneously piercing a wall portion (5) of the inner container (2), and a valve (11, 14) which is actuable to release the mixture.

Abstract: A container mixing system wherein a medicament is placed in a container mounted externally of a container with a diluent. Mixing of the medicament in one container with the diluent in the other is accomplished by attaching an additive assembly with a piercing element to an additive port of the diluent container to pierce a diaphragm in the additive port and a diaphragm or stopper in the additive container. In one embodiment, the additive assembly includes a bellows portion which will permit movement of the piercing element through the additive assembly stopper and the port diaphragm while maintaining a sterile medicament in a glass vial.

Abstract: 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 in actuates, through a linking assembly, the pneumatic pump. All of these elements are mounted within a housing assembly.

Abstract: In a first embodiment, a pair of cylindrical rods are held in closely spaced parallel relationship by support members mounted in the ends of the rods. The rods have confronting surfaces throughout their length. Pairs of overlapping cutting blades are mounted in the rods and between the confronting surfaces. A container is opened by being inserted between the confronting surfaces and drawn against the blades. When opened, the end of the container opposite the opening is then inserted between the rods and drawn between the confronting surfaces to empty the contents by pressing the opposite sides of the container together. In a second embodiment a flanged slot formed in a flat holder provides the confronting surfaces for emptying the container. Cutting blades mounted in the handle in way of the slot are used to cut the container open.

Abstract: A dispensing assembly (10) for dispensing a highly viscous fluid from a container (12) having a sealed dispensing end (18) including a base member (24) having a first passageway (26) and a nozzle member (28) slidably mounted on the base member (24) and including a second passageway (30). A plug (32) reversibly seals off fluid flow between the passageways (26,30). A plurality of spokes (34) extend substantially radially inwardly from the base member (24) to the plug (32) defining a plurality of openings therebetween for allowing unobstructed forward flow of fluid therethrough.

Abstract: An apparatus and method for connecting a one-way disposable syrup package and associated dispensing attachment for use in a post-mix beverage dispenser system are described. The dispensing attachment includes a threaded socket for operatively engaging the threaded portion on the neck of a container constituting the syrup package, a cutting edge for puncturing a sealing member over the discharge end of the container, an inlet for supplying a compressed fluid into the container and an outlet for propelling the syrup concentrate toward the discharge opening of the container. The dispensing attachment is screwed onto the threaded portion of the container neck, preferably while the container is in an upright position until the cutting edge punctures the sealing member. Suitable conduits are then connected to the inlet and outlets of the attachment to connect the syrup package to the post-mix beverage dispenser system.

Abstract: The injection cartridge comprises two containers (1, 2) one of which is slidably mounted in the other. An actuating rod (8) has a smooth leading portion (9) and a rear threaded portion (10) separated by a threaded intermediate portion (11). The container (1) has in its end (12) a threaded opening (13) receiving the threaded intermediate portion (11). The nozzle (5) of the container (2) has a thread (15) for receiving the thread (14). The threaded portion (10) of the rod (8) has a nut for abutting against the first container to push it towards the other container. The cartridge may be used for injecting a semi-pasty product into a protective sleeve for a joint in a telephone cable.

Abstract: A housing for a pressurized syrup package which includes a main body portion constructed of material impervious to carbon dioxide. A cap is provided for the housing and extends over an open top of the main body portion. Piercing pins are carried by the cap for penetrating the top wall of the syrup package when the cap is positioned thereon to provide communication between a source of carbon dioxide and a receiver for syrup removed from the package. A conduit extends between the source of carbon dioxide and a respective piercing pin. A valve is positioned in the conduit for closing off the source of carbon dioxide automatically upon removal of the cap from the main body portion.

Abstract: A standard caulking gun is shown having two new features added thereto. The first feature is a replaceable razor blade that is clamped in a notched edge of one wall of the hollow trigger. In combination with the razor blade is a hole in an adjacent wall of the hollow handle. Over the hole is placed an adjustable adapter having various size angular openings for cutting the tip off of the nozzle of a caulking tube at a 45.degree. angle. The second new feature is an elongated pick built into the hollow handle to be retracted when not in use, and to be extendible for receiving the open nozzle thereover so as to pierce the seal of the tube.

Abstract: The invention relates to a theft deterrent device which can be lockably fastened to an article (4) made of cloth, leather, skin or like material, in a manner such that it can only be removed from the article with the aid of special means intended therefor. The device is, to advantage, in the form of a clamp which can be closed around an edge part of the article and therewith automatically locked in position. Arranged in the two halves of the clamp-like device are steel pins which penetrate the material from which the article is made, so that the device sits firmly thereon. The device includes one or more enclosed spaces, preferably in the form of glass ampoules (19) arranged in cavities (15) in the device. The ampoules contain a heavily staining and/or ill-smelling substance, for example a gas or liquid under pressure, and are arranged to break readily if an attempt is made to remove the device by force.

Abstract: To prepare and apply two-component cement, the components are vacuum-packaged in elongated flexible fluid-tight compartments and those compartments are confined in abutting relation with a seal existing around the abutting portions of the compartments. One of the compartments is gradually collapsed to force its contents to break through the abutting wall portions into the other compartment while the extension of the other compartment is controlled as it receives the one compartment contents so as to enhance the intimacy of contact between the cement components. Then the other compartment is gradually collapsed to force its contents into the one compartment while controlling the extension of the one compartment as it receives the other compartment contents so as to further mix the components. The two compartments are alternately collapsed and controlledly extended until the components therein form a homogeneous cementitious mixture.

Abstract: A two piece valve accessory for common caulking tubes or cartridges insertable in caulking guns is disclosed. The valve permits resealing of the cartridge nozzle, snout or applicator tip without hardening or significant wastage of the material therein and permits increased control of the flow rate of material from the cartridge.The valve is adjustable from fully open to closed position and includes a separate sealed or dome extended position wherein the residue from the applicator tip of the valve is expelled.The valve barrel includes an integral piercing edge to break the cartridge seal as the valve is inserted into the applicator tip of the cartridge. The barrel is sized and ribbed for an interference non-rotatable fit within the applicator tip. The valve cap is fully rotatable on the barrel and includes a beveled tip to direct material in any radial direction relative to the caulking gun handle.

Abstract: An improved collapsible container includes an outer rigid portion with a flange and a downwardly extending flexible bag portion so as to permit ease of filling, sealing and transport. Dispensing is done, preferably with a pump which, on first actuation, breaks the seal on the container. The pump, and a rigid outer container with which the collapsible container is used, are adapted for reuse with only the collapsible container and its contents replaced.

Abstract: A cartridge assembly for a fluent substance dispenser includes a cartridge having an elongate chamber containing a fluent substance to be dispensed and a piston mounted at one end of the chamber for movement along the chamber. The other end of the chamber is provided with an outlet for the fluent substance, and a valve member is mounted inside the cartridge over the inside of the outlet and is movable away from a closed position to an open position by a member, in the form of a nozzle, pressed against the valve member from outside the cartridge. In use the cartridge assembly is housed in a dispenser.

Abstract: A device for spraying a noxious powder includes a housing for a CO.sub.2 cartridge, and a moveable barrel which carries a firing pin by which the cartridge can be punctured to explosively release the gas. The barrel has a nozzle at its outer end, and contains the noxious powder in a chamber defined between the barrel and the firing pin. When the barrel is released from an outwardly extended position it is thrust by a spring against the rupturable end of the cartridge, thereby releasing the gas which in turn propels the active agent through the nozzle and toward the assailant at whom it is aimed. Generally, a powdered tear gas will be employed in the device.

Abstract: Injector apparatus is disclosed which includes a sealed self-contained replaceable vessel containing an ejectable material to be injected into the well-bore during well logging operations. The vessel comprises a flexible-wall, collapsible tubular-like cartridge which can be removed from the mounting apparatus in the string of logging tools and replaced with a new cartridge. Motive force apparatus pressurizes the material in the cartridge and a valve device, which is actuated by a solenoid device, controls the flow of material exiting from the cartridge. Passageways and an orifice in the mounting apparatus directs the flow of material from the valve device to the well-bore.

Abstract: Method and apparatus by which the interior of a pipe is coated with a uniform thickness of plastic. A source of heat-meltable plastic material in particular form is connected at a location upstream of the inlet end of the pipe, while the opposed end of the pipe is made attachable to a reduced pressure. A source of compressible fluid is also connected at a location upstream of the inlet end of the pipe. The pipe is preheated and then rotated axially while a charge of powdered plastic is forced through the pipe by the compressible fluid. The powdered plastic which flows through the pipe is a finite pocket of the finely divided plastic, which is smaller in volume respective to the volume of the pipe being coated.

Abstract: The invention relates to an apparatus for and a method of spreading gaseous, liquid and powdered materials, that are applicable to pressing out creamy or foamy materials, too. According to the method a material to be spread is placed in a tank into the pressure vessel, overpressure is developed in the pressure vessel for spreading, whereby the tank moves towards the spreading nozzle and the spreading nozzle is communicated with the interior of the tank. The apparatus comprises a pressure vessel with its interior space divided into two sections, one of them contains the fuel tank ensuring the overpressure, the other one contains the material tank sealing airtightly the first section. The invention provides reliable spreading, not polluting the environment, the pressure vessel of the apparatus is not to be thrown away, and the tanks inside the vessel are replaceable.

Abstract: A portable eye wash fountain assembly generally formed of molded plastic parts includes an L-shaped basin housing, a separate bottle means containing flush liquid, and a tray member. The basin housing is open across the top of its upstanding portion. Recessed within the open top of the basin is the inlet for channel flow means which lead to spaced apart, angularly directed spray nozzle elements located near the leading edge of the horizontal portion of the basin. The tray member, which may be cut from the original basin housing mold, fits within the recess of the basin housing open top. The tray member is formed with a spout opening which extends into the flow inlet. The bottle contains a neck opening and a narrowed upper end formed by an annular ledge. When the bottle is upturned, the neck extends through the tray member spout and the bottle is supported in the open top by virtue of a tight fit with the tray and the bottle ledge resting on the side edges the open top.

Abstract: A liquid container having easy penetratable wall portions provided in laterally extending hollow lobes or protuberances which communicate with the interior of the container. The container is impaled upon piercing pins positioned in sockets carried in a beverage dispensing device. The lateral protuberances serve as suspension elements for supporting the container and also provide surfaces through which piercing pins supply pressurized gas to the container and remove liquid syrup from the container for mixing with a carbonated liquid.

Abstract: A personal protective device for repelling intruders comprising an exterior housing member of attractive appearance designed to be worn by a human being in the normal manner of an article of clothing or a piece of jewelry. The housing member includes a fluid container for storing and dispensing a quantity of fluid. The intruder repellent fluid is completely and safely sealed within the dispenser container until the device is willfully actuated in order to fend off and mark an intruder by an offensive odor and distinguishing color.

Abstract: A hermetically sealed ampoule containing blood gas control fluid is provided wherein the fluid occupies the entire ampoule with no appreciable head space. The ampoule is provided with a plunger-like seal adapted to be directed against the contents of the ampoule and a pierceable seal through which may extend a hollow needle to act as a conduit for the contents upon expulsion from the ampoule. A syringe is also provided for expelling the contents from the ampoule.

Abstract: An apparatus is disclosed for removing toxic liquid concentrates from their shipping and/or storage containers, mixing selected amounts of such concentrates with water, and rinsing the containers when they are empty, in a manner that avoids exposure of users to such concentrates.

Abstract: Apparatus for controllably transferring fluid from a pierceable pressurized container includes a valve body, a stem member which is threadably connected to the valve body at one end and a fluid-conducting hose at the other end, and an elastomeric valve ball disposed in a cavity between the body and the stem member. The valve ball controls fluid flow from the container through the valve body and stem member to the hose in response to rotation of the valve stem relative to the body. Simultaneously, the valve balls acts as a check valve to prevent flow of fluid to the container. An O-ring seal between the stem and the valve body is adapted to leak at high pressure and bleed off fluid.

Abstract: A container and dispenser-cutter unit combination for containing and holding therein at least one or more flexible form-fill-seal plastic pouches adapted to contain commodities such as fluids, granules and the like, in which a container has a dispenser-cutter unit forming a closure lid for the opened end of the container and is adapted to contain and hold a detachable flexible form-fill-seal plastic pouch. An externally threaded spout forms an integral part of the closure lid and projects outwardly therefrom and is adapted to be engaged by a screw-cap. The cutter unit is formed of a circular knife made integral with the underside of the closure lid and projects inwardly therefrom and is located within the orbit of the spout and has its lower portion terminating into a pouch cutting edge.

Abstract: A personal protective device for repelling intruders comprising an exterior housing member of attractive appearance designed to be worn, secured to, appended from or otherwise conveniently carried on the person of a human being in the normal manner of a piece of jewelry. The housing member includes a fluid container for storing and dispensing a quantity of fluid as a spray jet. The intruder repellant fluid is completely and safely sealed within the dispenser container until the device is willfully actuated in order to fend off and mark an intruder by an offensive odor and distinguishing color.

Abstract: A dispenser device comprising a reservoir for a flowable or fluent filled material as well as a piston pump equipped with a valve arrangement. The valve arrangement is coaxially dispositioned with regard to the pump and possesses parts connected with the piston and parts connected with the cylinder of the piston pump.

Abstract: Dispenser apparatus and method for dispensing putty-like material utilizes a plastic bag as the container for the putty-like material to facilitate shipment and storage of the material and provide for ease of refilling the dispenser with additional material. The apparatus includes an open top container mounted on a bottom support plate with valved outlet for receipt of the bag of putty-like material. In one form of the invention, a completely sealed bag of the putty-like material may be inserted into the container through the open top which is then closed by a top closure plate. The bottom of the plastic bag is then punctured by inserting a sharp instrument through the valved outlet to provide a passage therein through which the putty is selectively dispensed when the valve is moved to the open position and pressure is applied to the container contents as by a push plate within the container driven by an air cylinder mounted on the top closure plate.

Abstract: The disclosed invention provides a process and apparatus for at site preparation of beverages using a new improved concentrate containing packet having a pressure rupturable inner seal positioned adjacent an exit port and within the boundary of a severable more permanent boundary seal. When a beverage is selected, the packet is positioned within a discharge mechanism provided with a severing member and pressure applicators wherein the packet is severed at the exit port and intermediate the pressure rupturable inner seal and the severable more permanent boundary seal. Following the severing operation, the pressure applicators are activated to compress the packet thereby breaking the pressure rupturable inner seal and discharging the concentrate into a suitable container such as a cup where it may be blended with a liquid for consumption.

Abstract: An injection cartridge contains a number of components in separate chambers. To use the cartridge, the chambers are brought into communication and the components mixed to form a compound such as an adhesive which can then be injected into a hole.The cartridge has a rigid housing which incorporates a movable mixing rod for mixing the components together, a displaceable injection opening and a piston which can be moved along the housing to extrude the mixed compound out through the injection opening.

Abstract: A multi-component fluent product, such as an epoxy resin mixture, is controllably mixed and dispensed from an improved mixer-dispenser. The device has a pair of pressure chambers each of which receives one of the fluent components in its original package. Air under pressure is communicated to the two chambers to force the fluent materials from their packages into flow passages which merge and cause mixing of the components. Special valve arrangements are provided along the flow passages to control the mixture proportions and to enable the flow passages to be purged of the mixed components when desired.

Abstract: 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, limp and collapsible material. A cap portion having a discharge outlet faces one end wall of the cartridge, and a movable compression disc faces the other end wall of the cartridge. In response to movement of the disc, the cartridge is collapsed to thereby cause rupture of the end wall adjacent the discharge outlet. Alternatively, a puncture needle is provided on the cap portion for puncturing the end wall adjacent the discharge outlet. Once opened, the material within the cartridge is free to escape through the discharge outlet in response to such movement of the disc.

Abstract: A device for emptying a container of the type comprising two domed parts of different stiffnesses sealed along a joint and having an outwardly directed flange adjacent the joint. A holder for the container has an opening and a member defining a gap to position and receive most of the container flange. The opening and the gap defining member are so arranged that when the flange is inserted in the gap, the outlet of the container is located substantially in line with the holder opening. An emptying member is provided opposite the holder opening and is manually displaceable in the direction thereof for emptying the container. In one embodiment, the holder is the cylinder of a piston and cylinder arrangement, the piston of which forms the emptying member while in another embodiment, the holder is in the form of an annular structure, one part of the wall of which has enhanced flexibility so as to form the emptying member.

Abstract: An inhalation device having an elongate housing having a passageway for the movement of air therethrough. The passageway terminates in an emptying chamber adjacent that end of the housing which is adapted for insertion into the mouth or nasal passages of a user thereof. The housing has means for receiving and opening a container holding a unit dose of powdered medicament for administration. The opening means includes first means for placing the interior of the opened capsule in communication with the atomosphere and second means for placing the interior of the opened capsule in communication with the emptying chamber via the passageway in the housing. During inhalation, air drawn through the first means causes the powdered medicament to be expelled from the container through the second means, the passageway and the emptying chamber into the nose, throat or lungs of the user where beneficial or therapeutic action of the medicament occurs.

Abstract: 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 means and the serrated edge. The device is especially suitable for use with plastic pouches in which foods are marketed.

Abstract: A dispensing receptacle has an internal chamber in which a piston is accommodated and separates the chamber into two compartments. The material to be dispensed is accommodated in one of the compartments which communicates with the exterior of the receptacle via a dispensing arrangement. A container with pressurized medium is accommodated in the other compartment and has a valve which, when actuated, releases a predetermined quantity of the pressurized medium into the other compartment so as to act on the piston and displace the same toward the dispensing arrangement with a concomitant dispensing of the material. An actuating arrangement is provided for actuating the valve of the pressurized medium container. A foil originally separates the one compartment from the dispensing arrangement, and the dispensing arrangement is provided with a cutting projection which perforates the foil so as to establish communication between the one compartment and the dispensing arrangement.

Abstract: Disclosed is a container for fluids and a dispenser for use in conjunction therewith. The container comprises a reinforced portion that defines an aperture and a puncturable seal closing the aperture. The dispenser includes a support for receiving and supporting the container in an operative position. When the container is placed in operative position a puncture tube automatically punctures the seal and allows fluid to flow out of the dispenser under control of a manually operated valve.

Abstract: A container end panel having a non-detachable flap portion partially severable from the panel to provide an opening. The flap portion is recessed below the remainder of the panel and is broken away by a fitment which fits into the recess. The fitment is adapted to be pushed inwardly and after rupturing the score between the panel and the flap functions to swing the flap inwardly about a hinge formed by the unscored metal connecting the flap to the panel. The fitment is pressed into the opening and snaps within the opening and provides a guard shielding the users finger from the raw edges at the tear edge about the opening. The invention is also directed to a formation of the inner edge of the ring to facilitate rupturing the score and thereafter swinging the panel inwardly.