Abstract: A reusable continuously sealing one-way valve assembly and delivery system flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the continuously sealing one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped. Multiple dosing of preservative-free flowable substance is provided.

Abstract: A mounting system is provided for mounting a valve for accommodating the flow of fluent a substance from a supply of the fluent substance wherein the valve includes a peripheral attachment portion, an intermediate portion extending from the peripheral attachment portion, and a flexible, resilient head that extends from the intermediate portion and that has (a) a first side, (b) a second side, (c) at least one self-sealing slit through the head, (d) a laterally marginal portion adjacent the intermediate portion, and (e) confronting, openable portions along the slit to define an initially closed orifice. The mounting system includes a retention structure for engaging holding the valve and includes an abutment structure.

Abstract: A self-sealing nozzle for a liquid dispensing device having a valve and a discharge port, the discharge port including a plug that may be bulbous in shape, the plug being retained by a retainer at the end of the discharge passage leading to the port. An elastomeric seal has an annular inner surface that seals against the plug when liquid is not being dispensed by said valve, but expands and forms a passage around the plug when liquid is being dispensed by said valve.

Abstract: A dispenser (10) for dispensing flowable materials has a container (12) having an outer wall (16) and a membrane (34) collectively defining a first chamber (18) configured to contain a flowable material. The membrane (34) extends from the outer wall (16) at an angle. The membrane (34) has a thickness and a weld seam (40), and the weld seam (40) has a thickness less than the thickness of the membrane (34).

Abstract: A system of delivering a liquid to pasty product is designed to be installed on a flexible tube on which the user acts by manual pressure to cause the product to come out. The system has a base element that is attached to the open end of the tube, a window associated with a strip that can be moved in opening, and a cap designed to cover the base element having opposite the strip an integral recess capable of allowing the deflection in opening of the strip.

Abstract: A dispensing valve is provided for dispensing a fluid substance. The dispensing valve is pressure-responsive, and may be of a self-closing type, or define a central discharge aperture through which a substance being dispensed flows. A substance contact surface of the dispensing valve defines one or more projections and/or recesses which can cooperate with the substance being dispensed to impart a contoured or shaped cross-sectional configuration to the substance. A decorative effect can thus desirably be achieved, enhancing the aesthetic appeal of the dispensed substance, such as a whipped dessert topping, toothpaste, foamed construction material, etc.

Abstract: A reusable continuously sealing one-way valve assembly and delivery system flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the continuously sealing one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped. Multiple dosing of preservative-free flowable substance is provided.

Abstract: A dispensing system includes a body having a base for extending from a container, and a support column projecting from the base. A discharge passage extends through the body and support column. A flexible, pressure-openable dispensing valve has a skirt mounted on the support column and has an outwardly extending, narrowing head defining a dispensing orifice at the distal end. A clamp member fits around the valve skirt and is engaged with the body to hold the body, valve, and clamp member together.

Abstract: A deformable small packaging structure for free-flowing products, comprising a valve-like closure (10) produced by a two-component injection molding process and including a dimensionally stable carrier element (11) and an outer jacket (12) which envelopes the carrier element (11) at least in part and has a flexible squirt-nozzle (16) with slotted openings, should be constructed in such a manner that the squirt-nozzle (16) in withdrawn state occupies an extremely small space and that the change to the position clearing the openings is possible with little force application. According to the invention, the outer jacket (12), in relation to the withdrawn squirt-nozzle (16), has a meander-shaped configuration adjacent to the squirt-nozzle (16). The squirt-nozzle (16), in relation to the withdrawn state, is configured as a pot-shaped recess.

Abstract: A pastry bag package comprises a dispensing tip assembly including a self-sealing dispensing valve having resiliently deflectable valve flaps that open when pressure is applied to allow product to pass through a valve orifice and close when pressure is removed to cleanly cut off a dispensed ribbon of topping, icing, or other fluid product. One or more of the valve flaps may be provided with a respective protrusion on a front side of the valve flap facing the direction of applied pressure, wherein the protrusion extends into the flow path of fluid product passing through the valve orifice to form a decorative longitudinal ridge along a dispensed ribbon of product.

Abstract: A hot glue gun having a no-drip tip 20 comprised of a self-closing tip once the trigger 24 mechanism is disengaged which incorporates a mechanism for advancing 24 the glue cartridge 22 forward which opens the self-closing tip 30, a mechanism for retracting 44 the glue cartridge once the trigger is released and a mechanism for closing 46 the self-closing tip as the glue cartridge is retracted thereby preventing further glue 26 discharge. Apparatus 10 incorporates an interiorly disposed cone shaped tip 20 having a tensioning mechanism 46 keeping the tip halves 54 closed until a predetermined pressure is applied to the trigger 24 whereupon the glue cartridge 22 is advanced forcing the interior tip halves 54 to diverge allowing passage of the adhesive. Once pressure is removed from the trigger 24 a spring 44 abutting the glue canister cartridge 22 and the back end of the self-closing tip moves the cartridge to a tip disengaged position thereby providing for the tip tensioning members to close the no-drip tip 20.

Abstract: A bottle is provided capable of fluid communication with a device for heating a cosmetic flowable product. The bottle includes a cavity for storage of the product, and has on an open end a neck mounted by a fitment. The fitment includes a slitted membrane which extends over a mouth of the neck. Walls of the cavity define curved front and rear panels.

Abstract: A device is provided for delivering a heated cosmetic flowable product. The device includes a base with a cavity housing a tube for receiving the flowable product, a heating system heatingly contacting the tube, and an outlet at a downstream end of the tube. A plastic bottle filled with the product is releasably mounted on the base. A fitment is arranged over an open end of the bottle and includes a slitted membrane. An upstream end of the tube penetrates the membrane to establish flowable communication and a sealing relationship. Product is dispensed from the outlet by applying an external squeeze pressure against a wall of the bottle. No mechanical assist is necessary such as a pump or gearing for transporting fluid product.

Abstract: A one way valve assembly flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped.

Abstract: A dispensing closure system is provided for a container that has an opening wherein a membrane is interposed between the container opening and the dispensing closure system. The system includes a body for extending from the container at the opening. The system includes a movable spout that (1) has a dispensing opening at one end, (2) has a piercing edge at the other end, and (3) is mounted in the body for pivoting the movement between (a) a non-dispensing position in which the piercing edge is above the membrane to locate the spout dispensing opening at a first, non-dispensing location, and (b) a dispensing position in which (i) the piercing edge can pierce the membrane, and (ii) the spout projects outwardly from the body to locate the spout dispensing opening at a location that is further outwardly than the non-dispensing location of the spout dispensing opening.

Abstract: A one-piece container closure with a collar, leaflets hingedly attached to the collar, and thin flexible foldable webs attached to and extending between the leaflets. The leaflets are flat with the webs folded beneath in closed closure position. The leaflets are pivoted upwardly with webs unfolded therebetween in open position. An integral cap is attached to the collar by a snap-action bow-tie hinge. A central pin on the cap seals with the leaflets when the cap is closed. The closure is integrally molded in open position with raised leaflets and unfolded webs, leaflets then being lowered and the webs folded to closed position while the closure is still warm.

Abstract: A dispensing valve includes an annular ring of relatively rigid molded plastic construction and a flexible resilient valve element integrally molded with the ring. The ring and the valve element have at least one mechanical interlock to secure the valve element to the ring as the valve element is molded onto the ring. In some embodiments of the disclosure, the mechanical interlock includes openings in an inner periphery of the ring and pegs on the outer periphery of the valve element that are molded into the openings as the valve element is molded onto the ring.

Abstract: A valve mechanism (3) includes a valve seat member (31) having a guiding portion (319); a valve member (32) having a valve body (321), a guiding shaft (322), and a supporting shaft (323); and a sub-valve member (33) having a sub-valve body (331) and a connecting portion (332). The valve body (321) and the sub-valve body (331) ascend together by pressing the fluid-storing portion (11); and the valve body (321) travels to an open position and the sub-valve body (331) travels to a detached position. In this state, when a pressure applied to the fluid-storing portion (11) is removed, the valve body (321) and the sub-valve body (331) descend together; and after the sub-valve body (331) travels to a contact position, the valve body (321) travels to a closed position.

Abstract: A dispensing closure system is provided for a container that has an opening wherein a membrane is interposed between the container opening and the dispensing closure system. The system includes a base for extending from the container at the opening. The base has a receiving passage and an annular sealing flange extending radially inwardly around the passage. A movable spout is mounted in the base receiving passage and has a grippable discharge end that projects axially outwardly from the base receiving passage. The spout has a dispensing passage extending through the spout and has a peripheral sealing surface that is sealingly engaged with the base annular sealing flange. The spout also has a piercing element at an axially inward end of the spout. A cam track is located in either the base or the spout. A cam follower is located on the other one of the base and spout, and the cam follower is engaged in the cam track.

Abstract: There is provided a backflow preventing mouth plug comprising an elastic membrane element having a discharge opening for discharging fluid and mounted to a mouth part of a container and a plug member disposed in the elastic membrane element to prevent unintentional outflow of the fluid. The plug member has a spherical seal surface with which the elastic membrane element elastically and closely contacts. At least one thick wall portion and at least one thin wall portion are alternately formed around the discharge opening of the elastic membrane element in a circumferential direction thereof.

Abstract: A dispenser is provided for viscous condiments. The dispenser includes a tubular sidewall having opposite ends. One opposite end is open and can receive a plunger or piston therein for applying force to condiment contained within a compartment inside of the sidewall. The other end of the sidewall includes a dispenser valve assembly comprising a member secured to an inturned flange portion of the sidewall with the flange portion being generally normal to the sidewall. The dispenser valve assembly is suitably secured to the flange portion as by heat sealing to form a composite laminated structure that is resistant to the penetration of liquids from the condiments. A bead of hot melt can be provided to seal an exposed outer edge of the dispenser valve assembly and to seal the dispenser valve assembly to the sidewall.

Abstract: The invention relates to a manually-actuated metering pump of simple design, which is intended for a rigid container. The inventive metering pump is of the dual valve type, comprising a lower inlet valve and an upper ejection valve which are disposed at the input and output respectively of a metering chamber which is slidably mounted on the lower valve. Moreover, said lower valve is fixed to a hollow tube which communicates with the inside of the container. The invention can be used for dispensing fluid products.

Abstract: A topping dispenser for dispensing portions of chilled topping onto beverages and desserts comprises a housing having a drawer that includes a product compartment and an adjacent drive compartment separated by a partition. The product compartment is adapted to receive a bag containing topping, and houses a vertically displaceable pressure member, such as a roller, to roll down along one side of the bag opposite a pressure surface on the other side of the bag to squeeze contents of the bag out through a bottom dispensing valve assembly to direct product into a waiting container. The roller is advanced downward in predetermined increments by a motor-driven carriage assembly in the drive compartment that may be actuated by a push button on the housing. The dispensing valve assembly holds a pressure-actuated valve that closes automatically to cleanly cut off a dispensed ribbon of topping and is configured to impart a decorative appearance to the dispensed ribbon.

Abstract: To provide a squeeze bottle with reduced pressing force required to delivery a liquid, and particularly a squeeze bottle wherein the pressing force is reduced to such an extent that allows easy control of the discharge of liquid drops even when a valve operated by the liquid pressure is provided. In a squeeze bottle comprising the bottle body 10 for containing a liquid, and a neck 11 that leads to the opening end 10a of the bottle body 10, the bottle body 10 has a bellows 12 which is contracted and expanded in the direction y generally perpendicular to the direction x of delivering liquid. The bellows 12 has a plurality of pleated portions 13 disposed in the direction of delivery x. The pleated portions 13 are disposed at intervals in the direction of contraction y. Further, the width of the convex edge of the pleated portion 13 in the direction of width Z, that is, the distance between the both edges 14, is made to decrease from the middle to the both ends in the direction of contraction y.

Abstract: The invention relates to a device for packaging and dispensing a liquid, semi-fluid or suspended product, comprising a container which houses the product to be dispensed through a nozzle, as well as a unit for changing and filtering the air entering the container following the dispensing of the product. According to the invention, the assembly formed by the container and the nozzle with which said container is equipped comprises at least: one flexible part which, when actuated, causes the product to be discharged; and a first valve which is associated with the nozzle in older to enable the discharge of the product when the flexible part is actuated, but without allowing the ingress of external air when said flexible part is released.

Abstract: A fluid product spray head (40) comprises a spray orifice (45) and a spray profile (100) upstream from this spray orifice (45). Said spray profile has a swirling chamber (101) connected, during the spraying of the product, to the spray orifice (45) and to at least one non-radial channel (110) connected to the swirling chamber (101). The spray profile (100) is provided in the bottom of the spray head (40). A obturator (38) interacts with the spray orifice (45) while being able to be displaced and/or deformed between a closing position of the spray orifice (45) and an open position of the spray orifice (45). The inventive spray head (40) has an axially hollow sleeve (150) that accommodates the spray profile (100), and said obturator (38) axially displaces and/or deforms at least partially in said sleeve (150).

Abstract: A liquid dispenser apparatus includes a container for housing a liquid, and a spout assembly for dispensing spouts of the liquid from the container. The spout assembly includes a stopping member for stopping dripping of the liquid after each dispensing, thereby allowing the spout assembly to face substantially toward a ground level to avoid splashing a user with liquids.

Abstract: The invention relates to a dispensing valve (2) for dispensing fluid from a container, comprising a central member (20) provided with a flexible membrane (22) having at least one slit (23), a flange (40) surrounding the central member for attaching the valve to the container and connecting means for connecting the central member to the flange, which connecting means comprise a material hinge (25). The valve is deformable from a closed position to a dispensing position upon application of pressure to the fluid in the container. The central member is further provided with a support (26) for the flexible membrane, which support is more rigid than the flexible membrane and extends towards the container in the secured position of the dispensing valve, wherein the material hinge directly couples the support to the flange.

Abstract: A dispensing closure for a dispensing container (1) and a dispensing container (1) incorporating such a dispensing closure, wherein the closure has a unitary type of construction. The dispensing closure includes a generally annular metal ring (4) having an outer peripheral edge and a central opening encircled by an inner peripheral edge (6), the ring being attached to the edge of the container body side wall at one end of the container body; and an overmolded polymer layer (16) having an annular outer portion molded over the inward surface of the ring and having a central panel integrally formed with the outer portion so as to cover the central opening in the ring (4), the central panel of the polymer layer (16) defining at least one aperture (7) through which the product in the container body can be dispensed.

Abstract: A beverage container includes a pair of flexible sidewalls defining therebetween a pouch area for containing a beverage. The flexible sidewalls are comprised of a material having at least two material layers coupled to, or integrated with, one another. The layers include at least an outer layer comprised of an outer barrier material and an inner layer including an inner barrier material. The inner barrier material is operable to be exposed to the beverage contained in the pouch area while resisting migration of contaminants through the sidewalls and into the beverage.

Abstract: A fluid dispensing valve is provided with a peripheral mounting portion and a connecting sleeve connecting the peripheral mounting portion with a head which defines a dispensing orifice. The valve head includes a recessed exterior surface and an inwardly projecting interior surface. The valve head has a peripheral surface extending from the exterior surface toward the interior surface. The connector sleeve is connected to the valve head at a location that is at the most axially inward extent of the peripheral surface.

Abstract: The invention concerns a nozzle for dispensing a liquid contained in a receptacle, said nozzle comprising a rigid body provided with a dispensing channel comprising a dispensing orifice emerging in the front wall of said body, said nozzle also comprising an elastically deformable sleeve that is disposed in a non-adherent fashion and in clamping contact around at least part of the periphery of the rigid body, said sleeve being provided with at least one front lip that is disposed opposite the dispensing orifice, said lip being arranged so as, by application of the dispensing pressure of the liquid on it, to be reversibly movable between a stable closed state and stressed opening state of said orifice, in which the attachment of said sleeve on said rigid body is achieved in combination by a first means of retaining the axial movement of the rear part of said sleeve relative to said rigid body and by a second means of retaining the axial movement of another part of said sleeve relative to said rigid body.

Abstract: A flexible, body attached device is disclosed for dispensing skin treatment and topically-absorbed medicinal treatments. The device comprises a dispensing reservoir that is caused to dispense treatment through a slit-based diaphragm valve upon the application of simple pressure to the device. Various embodiments of the invention include variations in the structure of the valve, reservoir, and body attachment means.

Abstract: A carrier ring assembly is provided for use with a closure for a container. The carrier ring assembly includes a carrier ring and a valve. The carrier ring includes a retention bead and a retention space. The valve is located at least partially within the carrier ring and has a retention portion positioned within the retention space.

Abstract: A fluid dispensing closure includes a closure base having a deck, a skirt for securement to a container finish and a recess in the deck. The recess includes a first annular wall extending from the deck within the skirt, a second annular wall extending radially inwardly from the first annular wall at a position spaced from the deck, and a third annular wall extending toward the deck from an inner periphery of the second annular wall. A dispensing valve of flexible resilient elastomeric construction has a peripheral portion captured in compression between a collar and the third annular wall, and a concave central portion with at least one dispensing slit.

Abstract: A one way valve assembly flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped.

Abstract: A liquid dispensing system comprises a cartridge (2) in which liquid to be dispensed is retained and at least one solenoid assembly. The solenoid assembly comprises a coil (15) and an armature (3), the armature (3) being movably mounted within the cartridge (2) and the coil (15) being separate from the cartridge (2). Movement of the armature (3) acts to expel liquid from the cartridge (2).

Abstract: A container including a nozzle and body depending therefrom. The body is preferably tubular and defines an interior which retains a product to be dispensed. A cap engages the nozzle to prevent inadvertent release of the product. In order to dispense the product, the cap is removed and pressure is applied to the body and the nozzle allows release of the product. The nozzle releases the product without exposing the remaining product to the external atmosphere, thus the sterility of the interior of the body is maintained and the shelf life of the product is increased. The nozzle includes an inner body, coupled to the tubular body, surrounded by a flexible outer cover. A seam between the inner body and flexible outer cover forms a one-way release valve wherein a portion of the seam remains closed during dispensing the product.

Abstract: A tamper-indicating dispensing closure assembly embodying the principles of the present invention includes a closure body, and an associated pivotal flip-top lid. Notably, the flip-top lid includes an integral hinge member, having a retention portion at a distal end thereof. Closure manufacture is effected by use of an over-molding technique, in conjunction with interlocking geometrical features of the retention portion and the closure body, to ensure proper retention of the lid, while facilitating single-handed manipulation of the lid by consumers.

Abstract: A resilient invertible duckbill valve is constructed so that it may be pressed downwardly and folded inwardly upon itself to a stopper position of force-fit within a compression ring to apply a direct lateral compressive force between sealing elements of the valve. This provides additional sealing surface area and very high closing pressure which prevents leakage and a tightly sealed storage condition of a container is achieved when not in use. The valve is conveniently a unitary resilient valve member which is supported by a rigid baseplate that includes an aperture in the center which forms a compression ring around the body of the valve. Both the baseplate and the valve member are releasably held between a threaded cap and top rim of the container.

Abstract: A pressure activated self opening frangible closure seal is bonded over the interior nozzle opening of a pressure operated cartridge container used for storing and dispensing flowable material when pressurized in an application gun. The seal provides a leak proof closure that is strong enough to remain intact during the filling operation of the cartridge, and at the same weak enough to break open and dispense the contents out through the nozzle when a consumer pressurizes the cartridge with the application gun. The seal is constructed from a first layer of leak proof frangible sheet material that is bonded to a second layer of strengthening sheet material. The strengthening layer contains a cut out void configuration that forms a breaking pattern which forces the seal to break open only in the weaker single frangible layered configuration of the cut out void forming the breaking pattern when the cartridge is pressurized.

Abstract: A fluid dispenser nozzle comprising: a rigid support; a fluid passageway; and an annular sealing element that is made of elastomer, that surrounds the rigid support, and that is provided with a lip adapted to close off the passageway so long as the fluid is not arriving under pressure from said passageway. The fluid dispenser nozzle being wherein the rigid support comprises a side wall which internally defines the passageway, the side wall extending along a central axis, and wherein the rigid support further comprises an end wall which closes off the fluid passageway at the second end of the side wall, said end wall being provided with at least one hole that is covered by the lip of the sealing element.

Abstract: A self-contained viscous liquid dispenser with a spray pump mechanism includes a housing defining an internal liquid reservoir. A spray pump mechanism is configured with the housing and includes a horizontally disposed pump chamber fitted through an opening in the housing to extend into the reservoir. A pump cylinder is slidably disposed and retained in the chamber. Upon actuation of the pump cylinder, a valve and spray forming mechanism converts a liquid stream expelled from the pump chamber into a spray.

Abstract: An apparatus has a valve body defining a first passageway, a valve seat, and a flow aperture extending through the valve body and coupled in fluid communication with the first passageway. A valve cover of the apparatus is formed of an elastic material and includes a cover base mounted on the valve body and fixedly secured against movement relative thereto, and a valve portion overlying the valve seat. The valve portion defines a predetermined radial thickness and forms an interference fit with the valve seat. The valve portion and the valve seat define a normally closed, axially-extending valve opening therebetween. The valve portion is movable between a normally closed position with the valve portion engaging the valve seat, and an open position with at least a segment of the valve portion spaced away from the valve seat to connect the valve opening in fluid communication with the flow aperture to thereby allow the passage of fluid from the flow aperture through the valve opening.

Abstract: Persons often encounter the need to apply some form of skin treatment when on the go. Such treatments include disinfectant, sunscreens, medications, and moisturizing lotions. The present invention comprises convenient portable skin treatment dispensers in the form of neck-worn and disposable wrist-worn devices. The devices are convenient to use, unobtrusive and can even be disposable. Ease of manufacture is facilitated in various embodiments which include self-sealing diaphragm valves.

Abstract: A bottle formed of a food-grade plastic material, such as clear polyethylene terephthalate, may include a frustoconical neck portion, a shoulder region, a base region, and a sidewall portion have opposed grip-enhancing surfaces, and elastically deformable pressure panels. A cap for the container may include a valve to control product leakage, and may be sized to allow inversion of the bottle. A generally trapezoidal tab of the cap may be moveable between a closed position covering a cap orifice and an open position outside the plane of the cap.

Abstract: A flexible, pressure-openable dispensing valve has a mounting base and has an outwardly extending, narrowing head defining a dispensing orifice at the distal end.

Abstract: A dispensing system includes a body having a base for extending from a container, and a support column projecting from the base. A discharge passage extends through the body and support column. A flexible, pressure-openable dispensing valve has a skirt mounted on the support column and has an outwardly extending, narrowing head defining a dispensing orifice at the distal end. A clamp member fits around the valve skirt and is engaged with the body to hold the body, valve, and clamp member together.

Abstract: A colorant dispenser for dispensing colorant is disclosed having a primary valve and a secondary, outlet control valve. The primary valve is shiftable from a closed position, whereby colorant is prevented from being dispensed from a reservoir, to an open position whereby colorant is permitted to be dispensed from the reservoir. The secondary valve is positioned downstream of the primary valve, and is adapted to permit colorant flow when the primary valve is in its open position in response to pressure from the colorant flow and to restrict colorant flow and drying of colorant downstream of the primary valve and upstream of the secondary valve when the primary valve is in its closed position.

Abstract: A dispensing closure is provided for dispensing a product from a container having an opening. The closure includes a pressure actuatable dispensing valve mounted inwardly of a nozzle end wall that defines discharge apertures. Each aperture has an inner passage with an outer end communicating with an inner end of an outer passage. The inner end of the outer passage has a smaller cross-sectional flow area than the cross-sectional flow area of the outer end of the inner passage.