EP2130472A1 - Improved liquid dispenser with anti-retraction feature - Google Patents
Improved liquid dispenser with anti-retraction feature Download PDFInfo
- Publication number
- EP2130472A1 EP2130472A1 EP09007274A EP09007274A EP2130472A1 EP 2130472 A1 EP2130472 A1 EP 2130472A1 EP 09007274 A EP09007274 A EP 09007274A EP 09007274 A EP09007274 A EP 09007274A EP 2130472 A1 EP2130472 A1 EP 2130472A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- nozzle assembly
- delivery article
- bottle
- thickened
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 239000000203 mixture Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007844 bleaching agent Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 13
- 239000003570 air Substances 0.000 description 12
- 239000012080 ambient air Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920001059 synthetic polymer Polymers 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- -1 polypropylene Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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- 239000002210 silicon-based material Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 208000024330 bloating Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/06—Dispensers for soap
- A47K5/12—Dispensers for soap for liquid or pasty soap
- A47K5/122—Dispensers for soap for liquid or pasty soap using squeeze bottles or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
- B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/32—Closures with discharging devices other than pumps with means for venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
- B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
- B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure inside the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
- B05B11/047—Deformable containers producing the flow, e.g. squeeze bottles characterised by the outlet or venting means
Definitions
- the present invention relates to an improved liquid dispenser for the delivery of a liquid composition from a bottle to a specific locus. More particularly, the present invention relates to an improved liquid dispenser for the delivery of a liquid composition, preferably a thickened composition, which liquid dispenser comprises an anti-retraction feature.
- a nozzle can be used to meter the amount of liquid being dispensed, and/or alternately direct the dispensed liquid exiting the bottle in a particular direction.
- nozzles are typically single piece bottle inserts which provide for a short, restricted passage of the liquid to pass therethrough from within the interior of the bottle.
- an improved nozzle assembly with an anti-retraction feature which is useful in conjunction with a container, such as a bottle, for the dispensing of a liquid, and particularly for the targeted delivery of a thickened liquid.
- an improved liquid dispenser which comprises an improved nozzle assembly with an anti-retraction feature as described herein.
- a combination package and delivery article useful for both storing and dispensing a liquid treatment composition
- package and delivery article comprises an improved nozzle assembly with an anti-retraction feature as described herein.
- an improved nozzle assembly as described herein which is advantageously used for the targeted delivery of a drain treatment composition used to treat slow running but especially clogged drains.
- FIG. 1 depicts in a cross-sectional view an improved nozzle assembly 10 according to one aspect of the invention.
- the improved nozzle assembly 10 includes a spout portion 12 from which depends a skirt portion 14.
- the square portion includes an outer wall 16 having a geometry which is adapted to be inserted into the opening of a bottle or other container (not shown) and to form a liquid-tight seal therewith.
- the outer wall 16 is connected to the base end 18 of the spout portion 12, which base end 18 includes a central opening 20 which in fluid communication with the open tip end 22 of the spout portion 12.
- the interior of the spout portion 12 is hollow and defines a continuous annular space between the base and 18 and that the tip and 22.
- the spout portion 12 is also tapered such that it converges as it extends upward from the base end 18 to the open tip end 22 of the spout portion 12.
- a lateral plate 24 which provides an interconnection between, and a support for the outer wall 16.
- the position of the lateral plate 24 also acts to divide the interior space between the outer wall 16 into an outward section 26 and an inward section 28, which are respectively bounded by the upper surface 24a of the lateral plate 24 and the outer wall 16 to its upper margin 30, and the lower surface 24b of the lateral plate 24 and the outer wall 16 to its lower margin 32.
- the upper margin 30 of the outer wall 16 includes a flange 34 which extends outwardly radially therefrom which is useful in affixing or attaching to the improved nozzle assembly 10 to the opening of a bottle or other container.
- a least one, but preferably a plurality of air passages 36 are present and extend transversely through the lateral plate 24 and provide for a fluid conduit between the outward section 26 and the inward section 28.
- the improved nozzle assembly 10 also includes a flow check means which provides an anti-retraction feature.
- the flow check means in the embodiment according to figure 1 is provided as a flexible valve 40 which is present as part of the improved nozzle assembly 10.
- the flexible valve 40 includes a hollow barrel portion 42 which is continuously open at one end 44 and at the other end is provided a check-valve, here provided as a matched pair of flaps 46a, 46b which, when the flexible valve 40 is unstressed, are biased into a sealing position as is illustrated.
- a circumferential flap 48 Extending radially outwardly from the hollow barrel portion 42 is a circumferential flap 48 which functions as a second check-valve, which when the flexible valve 40 is unstressed, are biased into a further sealing position as is illustrated abutting against lateral plate 24 and sealing one or more air passages 36.
- the flexible valve 40 is retained within the interior of the base end 18 of the spout portion 12 by means of a friction fit between the base and 18 and at least part of the barrel portion 42, which also provides for liquid-tight seal therebetween.
- FIG 2 illustrates a top plan view of the improved nozzle assembly 10 disclosed on Figure 1 .
- the open tip ends 22 which, as can be seen when viewing down through its hollow interior or visible parts of the matched pair of flaps 46a, 46.
- the lateral plate 24 including a series of air passages 36 as well as the flange 34.
- the airpassages 36 are within the outward section 26 and are understood to be visible from the exterior of an improved nozzle assembly 10 when mounted on a bottle or other container (not shown).
- the inward section 28 faces the interior of the bottle or other container when the improved nozzle assembly 10 is mounted thereon.
- FIG. 3A illustrates the condition of the elements from figure 1 wherein the pressure at the inward section 28 is greater then the pressure at the outward section 26, such as for example wherein a flexible bottle or other container is compressed such as by the manual squeezing of the same by a user, and/or by the generation of an internal pressures such as by the generation of a gas which may occur depending upon the nature of a composition contained within the bottle or other container.
- the fluid (which may be a gas, liquid, gel, or other fluid) simultaneously causes the matched pair of flaps 46a, 46b to open which provides for the fluid to pass thereby (as indicated by the arrow "F") and into the hollow interior 13 of the spout portion 12 and ultimately (though not shown) out through the open tip end 22 of the spout portion 12, while the same fluid urges the circumferential flap 48 of the flexible valve 40 against the lateral plate 24 which functions to the seal the plurality of air passages 36 and thereby denying the passage of the fluid to exit via these air passages 36.
- the fluid which may be a gas, liquid, gel, or other fluid
- FIG. 3B this figure illustrates the converse condition namely wherein the pressure at the inward section 28 is less than the pressure at the outward section 26 of the improved nozzle assembly 10.
- a compressed flexible bottle or other container it is released and is allowed to expand to an unstressed condition which causes a pressure drop within the interior of the bottle or other container with respect to the pressure at the exterior of the bottle or other container.
- the matched pair of flaps 46a, 46b of the flexible valve 40 or forced together and to form a seal therebetween which denies for the passage of any fluid "F" which may be present within the hollow interior 13 of the spout portion 12, but simultaneously, the circumferential flap 48 of the flexible valve 40 moves away from the lateral plate 24 and permits for the entry of a fluid, preferably ambient air, through one or more of the plurality of air passages 36 (as indicated by arrows "A") from the outward section 26 and into the inward section 28.
- a fluid preferably ambient air
- the improved valve assembly 10 is advantageously mounted within an opening of a bottle or other container, such an operation provides an anti-retraction benefit in that it denies for the return of any liquid which had been previously expelled past the flexible valve 40 and into the hollow interior 13 of the spout portion 12, or alternately denies the entry of any liquid which may be present in the hollow interior 13 of the spout portion 12 which had entered via the open tip end 22 of the spout portion 12, past the flexible valve, into the inward section 28 and ultimately into the bottle or other container upon which the improved nozzle assembly 10 is mounted.
- This eliminates the likelihood of contamination of the composition contained within the interior of the bottle or other container.
- the operation of the circumferential flap 48 of the flexible valve 40 permits sufficient passage of ambient air to allow a compressed bottle or other container to assume its unstressed and normal shape after the targeted delivery of the composition contained therein.
- the foregoing features of the improved nozzle assembly 10 and the anti-retraction benefit provided thereby is particularly advantageous for the targeted delivery of a liquid composition through the spout portion 12 particularly when the spout portion 12 is downwardly directed, that is to say when a combination package and delivery article, which may be in its simplest form a bottle or other container having mounted thereon and improved nozzle assembly 10, is inferred it is such that the bottle or other container is directed vertically upwardly and above the improved nozzle assembly 10 and the open tip end 22 is directed downwardly with respect thereto.
- a combination package and delivery article is used to provide for the targeted delivery of a composition through a second that liquid, such as standing water such as may be present in a sink or other base and having a drain at the bottom thereof
- the improved nozzle assemblies and the combination package and delivery article are a particularly advantageously employed in the delivery of a thickened liquid, e.g., a drain treatment composition, such as a thickened blcach containing liquid and/or alternately a thickened alkaline liquid, and/or alternately a thickened acidic liquid to a desired position or locus.
- a thickened liquid generally has a viscosity of at least about 50 cps, preferably at least about 100 cps, yet more preferably at least about 200 cps.
- such any thickened liquid has a viscosity of not more than about 1500 cps, preferably not more than about 700 cps, and still more preferably not more than about 500 cps.
- the foregoing viscosities can be easily measured by routine analytical methods at room temperature, such as by the use of Brookfield viscometer using an appropriate spindle and rotational speed.
- the improved nozzle assemblies are useful in providing for the targeted delivery of a thickened composition, e.g., drain treatment composition, especially a thickened bleach composition having and alkaline pH (a pH of greater than 7, preferably a pH of 10 or greater) to a specific location through a different standing liquid.
- a thickened composition e.g., drain treatment composition
- a thickened bleach composition having and alkaline pH (a pH of greater than 7, preferably a pH of 10 or greater) to a specific location through a different standing liquid.
- the improved nozzle assemblies are particularly useful in providing directly to a sink drain or a sink trap a liquid composition particularly a thickened alkaline compositions such as a thickened bleach composition which may provide a useful benefit in clearing a drain clog.
- a consumer can conveniently open up a container such as any compressible or squeezable thermoplastic bottle containing a quantity of a drain treatment composition, including but not limited to a thickened bleach composition, invert the bottle such that the tip is pointed downwardly and extends through standing water such as maybe found in a clogged kitchen or bathroom sink, insert the tip has far down in the drain or drain opening as possible, and then squeeze the bottle thereby forcing the composition contained therein down through the nozzle assembly and the directly in the proximity of the drain or drain opening.
- a container such as any compressible or squeezable thermoplastic bottle containing a quantity of a drain treatment composition, including but not limited to a thickened bleach composition, invert the bottle such that the tip is pointed downwardly and extends through standing water such as maybe found in a clogged kitchen or bathroom sink, insert the tip has far down in the drain or drain opening as possible, and then squeeze the bottle thereby forcing the composition contained therein down through the nozzle assembly and the directly in the proximity of the drain or drain opening.
- the anti-retraction feature of the nozzle assembly ensures that none of the standing liquid enters into the interior of the container on which the nozzle assembly is mounted.
- the nozzle assembly also permits for the venting of the contents of the bottle in a safe manner by permitting for the exit of any gas which may be generated by the composition through the nozzle, while at the same time resisting the egress of the liquid composition. Such reduces the incidence of bloating and undesired expansion of the container when stored or between dispensing operations.
- FIG. 4 there is depicted a further embodiment of an improved nozzle assembly 10 according to the present invention which is substantially similar to the embodiment depicted with reference to Figure 1 except that the embodiment according to Figure 4 further comprises a support washer 50 upon which a portion of the flexible valve 40 is mounted, and wherein the support washer 50 is positioned within the inward section 28 and between the circumferential flap 48 of the flexible valve 40, and the lateral plate 24.
- a support washer 50 may be utilized for example wherein the configuration of the flexible valve 40 is inconveniently or impossible to directly mount to a portion of the spout portion 12 in the manner described with reference to Figure 1 . Further details of the flexible valve 40 ended the support washer 50 are described with reference to Figs. 5A, 5B and 5C.
- Fig. 5A illustrates in a cross-sectional view a flexible valve 40 mounted through the central bore 54 of a support washer 50 and also illustrates the respective positioning of air passage slots 52 with respect to the circumferential flap 48 of the flexible valve 40.
- a flexible valve 40 shown in an unstressed condition, that is to say when there is essentially an equilibrium of pressure between the interior part of a bottle or other container (not shown) and the inward section 28, and the ambient pressure on the exterior of the bottle or other container and the outward section 24 of an improved valve assembly 10 of which the flexible valve 40 forms a part.
- Fig. 5B illustrates a perspective view and embodiment of a support washer 50 illustrating the central bore 54 and a plurality of air passage slots 52.
- Fig. 5C illustrate aside plan view of the flexible valve 40, including a view of the circumferential flap 48 and flap 46a.
- Fig. 6 illustrates a further embodiment of the present invention and in particular illustrates an alternative embodiment of a flexible valve 40 according to the present invention.
- the flexible valve 40 includes a hollow barrel portion 42 which is continuously open at one end 44 and at the other end is provided a check-valve, provided as a matched pair of flaps 46a, 46b which, when the flexible valve 40 is unstressed, are biased into a sealing position as is illustrated.
- a circumferential base 56 which includes in an upper part thereof an annular trough 58 which is both in fluid communication with one or more of the air passages 36, and with an inverted check valve 60, and via a corresponding conduit 62.
- the inverted check valve 60 is a second check valve which is directed into the inward section 28 and works in a manner opposite to that of the first check valve provided by flaps 46a, 46b. More specifically, when the pressure present at the inward section 28 is greater than the pressure at the outward section 24, the flaps 46a, 46b are urged to open and allow for the passage of any fluid past flaps 46a, 46b while simultaneously, the second set of flaps 46a, 46b of the inverted check valve 60 arc urged to close in denying the passage of any of said fluid past them.
- FIG. 6 illustrates the arrangement of the flexible valve 40 when there is a respective relative equilibrium between the inward section 28 and the outward section 24, corresponding respectively to a pressure equilibrium between the interior of a bottle or flask upon which the improved nozzle assembly 10 is mounted, and the ambient air or atmosphere surrounding the improved nozzle assembly 10.
- Fig. 7 illustrates an embodiment of a process for the targeted delivery of a treatment composition, here a drain treatment composition from a combination package and delivery article useful for both storing and dispensing a liquid treatment composition, which package and delivery article comprises the improved nozzle assembly.
- a bottle 70 here a flexible bottle advantageously formed from a flexible polymer which is sufficiently stiff so to substantially return to its uncompressed configuration following release of any compressing pressures, is affixed via its opening to an improved nozzle assembly 10 in a liquid seal-tight relationship.
- the bottle 70 is inverted is such that the spout portion 12 extends downward lead through a volume of a liquid 71, here water standing in a sink 70 due to the presence of a clog (not shown) within a drainpipe 74 downstream of a drain 72.
- the open tip end 22 of the spout portion 12 it is positioned to be adjacent to, in the proximity of, but desirably within the drain 72.
- the skirt portion 14 is above the top surface 74 of the liquid 71 so that the air passages 36 (not visible) are in communication with the ambient air and not immersed within the liquid 71.
- a user or consumer following positioning of the combination package and delivery article 80 in the manner outlined above may dispense a quantity of a liquid treatment composition contained within the bottle 70 such that it passes downward lead through the spout portion 12, exits via the open tip and 22 and is directed into the drain 72.
- the bottle 70 cannot be further compressed, it may be released which, due to the anti-retraction feature of the improved nozzle assembly 10 denies for the drawback of any liquid contained within the interior of the spout portion 12 to enter into the interior of the bottle 70, but which allows for the entry of ambient air via the improved nozzle assembly 10 into the interior of the bottle 70 so that it retains its prior unstressed shape and additionally now also contains a volume of air trapped within the interior of the bottle.
- the consumer may then repeat the application process, and again compress the bottle 70 which forces a further quantity of a treatment composition downwardly from the bottle, through the spout portion and out from the open tip and 22 and into the drain 72.
- This sequence of steps may be repeated as many times as is thought necessary or desirable by the consumer.
- the utilization of the improved nozzle assembly 10 ensures that none of the liquid 71 enters into the interior of the bottle 70 to regardless of the number of dispensing applications providing a targeted delivery of the treatment composition as hereinbefore described.
- nozzle assembly of the invention may be formed of any of a variety of materials, advantageously the use of a synthetic polymers including thermosettable or thermo formable synthetic polymers such as are widely used in casting or injection molding.
- exemplary synthetic polymers such as polyamides, polyolefins (e.g., polypropylene, polyethylene) as well as polyalkyleneterephalates (i.e., polyethylene terephthalate, polybutylene terephthalate), polystyrenes, polysulfones, polycarbonates as well as copolymers formed from monomers of one or more of the foregoing being several nonlimiting examples of useful synthetic polymers.
- the material or materials of construction of the nozzle assembly is selected also as to not be deleteriously affected by the contents of the container which are to be used with the nozzle assembly.
- contents are chemical compositions, e.g., aqueous or non-aqueous liquid compositions which comprise one or more surfactants, solvents, etc.
- a synthetic polymer which is essentially chemically inert to such compositions is preferably used.
- all of the elements of the nozzle are formed from non-porous materials, preferably non-porous thermoplastic synthetic polymers such as synthetic polymers based on one or more polyolefins.
- the flexible valve of the nozzle assembly of the invention maybe formed of any flexible or elastomer material in his most desirably formed of a material which has a "shape memory" and which will return to an unstressed configuration upon the release or removal of any stresses or other pressures causing deformation of the same.
- Many synthetic elastomer scum as well as naturally occurring may be used including without limitation natural and synthetic rubbers, neoprene, polyisoprenc, silicone based materials and the like.
- the material of construction for the flexible valve is one which also exhibits an acceptable degree of chemical resistance to any composition which may be dispensed via an improved nozzle assembly as described herein.
- silicone based materials are advantageously used as a being relatively simple to form, such as by molding into a desired configuration of the flexible valve means, provide a good degree of chemical resistance and at the same time exhibit a good "shape memory".
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
An improved nozzle assembly with an anti-retraction feature which is useful in conjunction with a container, such as a bottle, for the dispensing of a liquid, and particularly for the targeted delivery of a thickened liquid. The nozzle assembly is advantageously provided as an element of a combination package and delivery article useful for both storing and dispensing a liquid treatment composition which package and delivery article comprises the improved nozzle assembly. The improved nozzle assembly, especially when part of a combination package and delivery article is especially useful for the targeted delivery of a drain treatment composition used to treat slow running but especially clogged drains.
Description
- The present invention relates to an improved liquid dispenser for the delivery of a liquid composition from a bottle to a specific locus. More particularly, the present invention relates to an improved liquid dispenser for the delivery of a liquid composition, preferably a thickened composition, which liquid dispenser comprises an anti-retraction feature.
- The prior art is replete with containers and devices which are useful for the storage of, and for the later dispensing of liquids therefrom. Such include those for the storage of a liquid, such as a thickened liquid, and for the delivery from such liquids, e.g., compressible vessels such as squeezable bottles. Where the end of the bottle is not merely an open end, a nozzle can be used to meter the amount of liquid being dispensed, and/or alternately direct the dispensed liquid exiting the bottle in a particular direction. Such nozzles are typically single piece bottle inserts which provide for a short, restricted passage of the liquid to pass therethrough from within the interior of the bottle. Although such combinations of a bottles and nozzles are widely known, there nonetheless exists a real and pressing need in the relevant art for still further improvements to bottle and nozzle assemblies, and in particular nozzles and nozzle assemblies which can be used to control and dispense specific types of liquids, and in particular thickened liquids through a medium such as standing water. Accordingly, it is to such an object that the present invention is directed.
- According to one aspect of the invention there is provided an improved nozzle assembly with an anti-retraction feature which is useful in conjunction with a container, such as a bottle, for the dispensing of a liquid, and particularly for the targeted delivery of a thickened liquid.
- According to a further aspect of the invention there is provided a process for the dispensing of a liquid from a bottle having an improved nozzle assembly as described herein.
- According to a still further aspect of the invention there is provided an improved liquid dispenser which comprises an improved nozzle assembly with an anti-retraction feature as described herein.
- According to a yet further aspect of the invention there is provided a combination package and delivery article useful for both storing and dispensing a liquid treatment composition which package and delivery article comprises an improved nozzle assembly with an anti-retraction feature as described herein.
- In a further aspect of the invention there is provided an improved nozzle assembly as described herein which is advantageously used for the targeted delivery of a drain treatment composition used to treat slow running but especially clogged drains.
- These and other aspects of the invention will become more apparent from the reading of the following specification.
- The features of the invention will become more apparent from the following description which is to be read in conjunction with the accompanying drawings.
-
Figure 1 depicts in a cross-sectional view an improvednozzle assembly 10 according to one aspect of the invention. The improvednozzle assembly 10 includes aspout portion 12 from which depends askirt portion 14. The square portion includes anouter wall 16 having a geometry which is adapted to be inserted into the opening of a bottle or other container (not shown) and to form a liquid-tight seal therewith. Theouter wall 16 is connected to the base end 18 of thespout portion 12, which base end 18 includes acentral opening 20 which in fluid communication with theopen tip end 22 of thespout portion 12. As is visible from the drawing, the interior of thespout portion 12 is hollow and defines a continuous annular space between the base and 18 and that the tip and 22. Advantageously, thespout portion 12 is also tapered such that it converges as it extends upward from the base end 18 to theopen tip end 22 of thespout portion 12. Depending radially outwardly from the base end 18 is alateral plate 24 which provides an interconnection between, and a support for theouter wall 16. As is visible in the figure, the position of thelateral plate 24 also acts to divide the interior space between theouter wall 16 into anoutward section 26 and aninward section 28, which are respectively bounded by theupper surface 24a of thelateral plate 24 and theouter wall 16 to itsupper margin 30, and thelower surface 24b of thelateral plate 24 and theouter wall 16 to itslower margin 32. Optionally but preferably theupper margin 30 of theouter wall 16 includes aflange 34 which extends outwardly radially therefrom which is useful in affixing or attaching to the improvednozzle assembly 10 to the opening of a bottle or other container. It is further to be noted that a least one, but preferably a plurality ofair passages 36 are present and extend transversely through thelateral plate 24 and provide for a fluid conduit between theoutward section 26 and theinward section 28. The improvednozzle assembly 10 also includes a flow check means which provides an anti-retraction feature. The flow check means in the embodiment according tofigure 1 is provided as aflexible valve 40 which is present as part of the improvednozzle assembly 10. Theflexible valve 40 includes ahollow barrel portion 42 which is continuously open at oneend 44 and at the other end is provided a check-valve, here provided as a matched pair offlaps flexible valve 40 is unstressed, are biased into a sealing position as is illustrated. Extending radially outwardly from thehollow barrel portion 42 is acircumferential flap 48 which functions as a second check-valve, which when theflexible valve 40 is unstressed, are biased into a further sealing position as is illustrated abutting againstlateral plate 24 and sealing one ormore air passages 36. In the embodiment depicted, theflexible valve 40 is retained within the interior of the base end 18 of thespout portion 12 by means of a friction fit between the base and 18 and at least part of thebarrel portion 42, which also provides for liquid-tight seal therebetween. -
Figure 2 illustrates a top plan view of the improvednozzle assembly 10 disclosed onFigure 1 . In this figure is more readily seen theopen tip ends 22 which, as can be seen when viewing down through its hollow interior or visible parts of the matched pair offlaps 46a, 46. For the visible is thespout portion 12, thelateral plate 24 including a series ofair passages 36 as well as theflange 34. As can be seen, theairpassages 36 are within theoutward section 26 and are understood to be visible from the exterior of an improvednozzle assembly 10 when mounted on a bottle or other container (not shown). Conversely, while not shown but to be understood, theinward section 28 faces the interior of the bottle or other container when the improvednozzle assembly 10 is mounted thereon. - The operating characteristics of the improved
nozzle assembly 10 will be described with further particularity on followingFigures 3A and 3B . - Turning first to
Fig. 3A , it is the understood that the arrangement depicted is intended to be a partial view of the embodiment according toFig. 1 .Fig. 3A illustrates the condition of the elements fromfigure 1 wherein the pressure at theinward section 28 is greater then the pressure at theoutward section 26, such as for example wherein a flexible bottle or other container is compressed such as by the manual squeezing of the same by a user, and/or by the generation of an internal pressures such as by the generation of a gas which may occur depending upon the nature of a composition contained within the bottle or other container. As is seen in the figure, the fluid (which may be a gas, liquid, gel, or other fluid) simultaneously causes the matched pair offlaps hollow interior 13 of thespout portion 12 and ultimately (though not shown) out through theopen tip end 22 of thespout portion 12, while the same fluid urges thecircumferential flap 48 of theflexible valve 40 against thelateral plate 24 which functions to the seal the plurality ofair passages 36 and thereby denying the passage of the fluid to exit via theseair passages 36. - Turning now to
Fig. 3B , this figure illustrates the converse condition namely wherein the pressure at theinward section 28 is less than the pressure at theoutward section 26 of the improvednozzle assembly 10. Such may occur for example when a compressed flexible bottle or other container it is released and is allowed to expand to an unstressed condition which causes a pressure drop within the interior of the bottle or other container with respect to the pressure at the exterior of the bottle or other container. As is seen in the figure, the matched pair offlaps flexible valve 40 or forced together and to form a seal therebetween which denies for the passage of any fluid "F" which may be present within thehollow interior 13 of thespout portion 12, but simultaneously, thecircumferential flap 48 of theflexible valve 40 moves away from thelateral plate 24 and permits for the entry of a fluid, preferably ambient air, through one or more of the plurality of air passages 36 (as indicated by arrows "A") from theoutward section 26 and into theinward section 28. As the improvedvalve assembly 10 is advantageously mounted within an opening of a bottle or other container, such an operation provides an anti-retraction benefit in that it denies for the return of any liquid which had been previously expelled past theflexible valve 40 and into thehollow interior 13 of thespout portion 12, or alternately denies the entry of any liquid which may be present in thehollow interior 13 of thespout portion 12 which had entered via theopen tip end 22 of thespout portion 12, past the flexible valve, into theinward section 28 and ultimately into the bottle or other container upon which the improvednozzle assembly 10 is mounted. This eliminates the likelihood of contamination of the composition contained within the interior of the bottle or other container. At the same time, the operation of thecircumferential flap 48 of theflexible valve 40 permits sufficient passage of ambient air to allow a compressed bottle or other container to assume its unstressed and normal shape after the targeted delivery of the composition contained therein. - The foregoing features of the improved
nozzle assembly 10 and the anti-retraction benefit provided thereby is particularly advantageous for the targeted delivery of a liquid composition through thespout portion 12 particularly when thespout portion 12 is downwardly directed, that is to say when a combination package and delivery article, which may be in its simplest form a bottle or other container having mounted thereon and improvednozzle assembly 10, is inferred it is such that the bottle or other container is directed vertically upwardly and above the improvednozzle assembly 10 and theopen tip end 22 is directed downwardly with respect thereto. Such is particularly advantageous when the combination package and delivery article is used to provide for the targeted delivery of a composition through a second that liquid, such as standing water such as may be present in a sink or other base and having a drain at the bottom thereof - In use, the improved nozzle assemblies and the combination package and delivery article are a particularly advantageously employed in the delivery of a thickened liquid, e.g., a drain treatment composition, such as a thickened blcach containing liquid and/or alternately a thickened alkaline liquid, and/or alternately a thickened acidic liquid to a desired position or locus. Such a thickened liquid generally has a viscosity of at least about 50 cps, preferably at least about 100 cps, yet more preferably at least about 200 cps. Concurrently, such any thickened liquid has a viscosity of not more than about 1500 cps, preferably not more than about 700 cps, and still more preferably not more than about 500 cps. The foregoing viscosities can be easily measured by routine analytical methods at room temperature, such as by the use of Brookfield viscometer using an appropriate spindle and rotational speed.
- Advantageously, the improved nozzle assemblies are useful in providing for the targeted delivery of a thickened composition, e.g., drain treatment composition, especially a thickened bleach composition having and alkaline pH (a pH of greater than 7, preferably a pH of 10 or greater) to a specific location through a different standing liquid. For example, the improved nozzle assemblies are particularly useful in providing directly to a sink drain or a sink trap a liquid composition particularly a thickened alkaline compositions such as a thickened bleach composition which may provide a useful benefit in clearing a drain clog. Using the improved nozzle assemblies of the invention, a consumer can conveniently open up a container such as any compressible or squeezable thermoplastic bottle containing a quantity of a drain treatment composition, including but not limited to a thickened bleach composition, invert the bottle such that the tip is pointed downwardly and extends through standing water such as maybe found in a clogged kitchen or bathroom sink, insert the tip has far down in the drain or drain opening as possible, and then squeeze the bottle thereby forcing the composition contained therein down through the nozzle assembly and the directly in the proximity of the drain or drain opening. Such minimizes the dilution of the treatment composition and may accelerate the loosening of the blockage within the drain. When the compressed bottle is withdrawn from the standing liquid and released, the anti-retraction feature of the nozzle assembly ensures that none of the standing liquid enters into the interior of the container on which the nozzle assembly is mounted. The nozzle assembly also permits for the venting of the contents of the bottle in a safe manner by permitting for the exit of any gas which may be generated by the composition through the nozzle, while at the same time resisting the egress of the liquid composition. Such reduces the incidence of bloating and undesired expansion of the container when stored or between dispensing operations.
- Although described primarily as providing a useful benefit in the targeted delivery of a drain treatment composition, it is clear that the present invention can be used for the targeted delivery of other compositions in a similar manner as that described above.
- Turning now to
Figure 4 there is depicted a further embodiment of an improvednozzle assembly 10 according to the present invention which is substantially similar to the embodiment depicted with reference toFigure 1 except that the embodiment according toFigure 4 further comprises asupport washer 50 upon which a portion of theflexible valve 40 is mounted, and wherein thesupport washer 50 is positioned within theinward section 28 and between thecircumferential flap 48 of theflexible valve 40, and thelateral plate 24. Such asupport washer 50 may be utilized for example wherein the configuration of theflexible valve 40 is inconveniently or impossible to directly mount to a portion of thespout portion 12 in the manner described with reference toFigure 1 . Further details of theflexible valve 40 ended thesupport washer 50 are described with reference toFigs. 5A, 5B and 5C. Fig. 5A illustrates in a cross-sectional view aflexible valve 40 mounted through thecentral bore 54 of asupport washer 50 and also illustrates the respective positioning ofair passage slots 52 with respect to thecircumferential flap 48 of theflexible valve 40. In the illustration ofFig. 5A , aflexible valve 40 shown in an unstressed condition, that is to say when there is essentially an equilibrium of pressure between the interior part of a bottle or other container (not shown) and theinward section 28, and the ambient pressure on the exterior of the bottle or other container and theoutward section 24 of animproved valve assembly 10 of which theflexible valve 40 forms a part.Fig. 5B illustrates a perspective view and embodiment of asupport washer 50 illustrating thecentral bore 54 and a plurality ofair passage slots 52.Fig. 5C illustrate aside plan view of theflexible valve 40, including a view of thecircumferential flap 48 andflap 46a. -
Fig. 6 illustrates a further embodiment of the present invention and in particular illustrates an alternative embodiment of aflexible valve 40 according to the present invention. In this embodiment theflexible valve 40 includes ahollow barrel portion 42 which is continuously open at oneend 44 and at the other end is provided a check-valve, provided as a matched pair offlaps flexible valve 40 is unstressed, are biased into a sealing position as is illustrated. Extending radially outwardly from thehollow barrel portion 42 is acircumferential base 56 which includes in an upper part thereof anannular trough 58 which is both in fluid communication with one or more of theair passages 36, and with aninverted check valve 60, and via a correspondingconduit 62. Theinverted check valve 60 is a second check valve which is directed into theinward section 28 and works in a manner opposite to that of the first check valve provided byflaps inward section 28 is greater than the pressure at theoutward section 24, theflaps past flaps flaps inverted check valve 60 arc urged to close in denying the passage of any of said fluid past them. Conversely, when the pressure present at theoutward section 24 is greater than that of theinward section 28, such as when there is a relative vacuum within the interior of a bottle or other container upon which theimproved nozzle assembly 10 is mounted, then theflaps flaps air passages 36 into thetrough 58, via theconduit 62 and past the second set offlaps inward section 28. Advantageously, this also permits for the passage of ambient air into the interior of a bottle or other container upon which theimproved nozzle assembly 10 is mounted.Fig. 6 illustrates the arrangement of theflexible valve 40 when there is a respective relative equilibrium between theinward section 28 and theoutward section 24, corresponding respectively to a pressure equilibrium between the interior of a bottle or flask upon which theimproved nozzle assembly 10 is mounted, and the ambient air or atmosphere surrounding theimproved nozzle assembly 10. -
Fig. 7 illustrates an embodiment of a process for the targeted delivery of a treatment composition, here a drain treatment composition from a combination package and delivery article useful for both storing and dispensing a liquid treatment composition, which package and delivery article comprises the improved nozzle assembly. As depicted abottle 70, here a flexible bottle advantageously formed from a flexible polymer which is sufficiently stiff so to substantially return to its uncompressed configuration following release of any compressing pressures, is affixed via its opening to animproved nozzle assembly 10 in a liquid seal-tight relationship. Thebottle 70 is inverted is such that thespout portion 12 extends downward lead through a volume of a liquid 71, here water standing in asink 70 due to the presence of a clog (not shown) within adrainpipe 74 downstream of adrain 72. Theopen tip end 22 of thespout portion 12 it is positioned to be adjacent to, in the proximity of, but desirably within thedrain 72. Advantageously, theskirt portion 14 is above thetop surface 74 of the liquid 71 so that the air passages 36 (not visible) are in communication with the ambient air and not immersed within the liquid 71. In use, a user or consumer, following positioning of the combination package anddelivery article 80 in the manner outlined above may dispense a quantity of a liquid treatment composition contained within thebottle 70 such that it passes downward lead through thespout portion 12, exits via the open tip and 22 and is directed into thedrain 72. When thebottle 70 cannot be further compressed, it may be released which, due to the anti-retraction feature of theimproved nozzle assembly 10 denies for the drawback of any liquid contained within the interior of thespout portion 12 to enter into the interior of thebottle 70, but which allows for the entry of ambient air via theimproved nozzle assembly 10 into the interior of thebottle 70 so that it retains its prior unstressed shape and additionally now also contains a volume of air trapped within the interior of the bottle. Optionally, but often it necessarily, the consumer may then repeat the application process, and again compress thebottle 70 which forces a further quantity of a treatment composition downwardly from the bottle, through the spout portion and out from the open tip and 22 and into thedrain 72. This sequence of steps may be repeated as many times as is thought necessary or desirable by the consumer. The utilization of theimproved nozzle assembly 10 ensures that none of the liquid 71 enters into the interior of thebottle 70 to regardless of the number of dispensing applications providing a targeted delivery of the treatment composition as hereinbefore described. - While the nozzle assembly of the invention may be formed of any of a variety of materials, advantageously the use of a synthetic polymers including thermosettable or thermo formable synthetic polymers such as are widely used in casting or injection molding. Exemplary synthetic polymers such as polyamides, polyolefins (e.g., polypropylene, polyethylene) as well as polyalkyleneterephalates (i.e., polyethylene terephthalate, polybutylene terephthalate), polystyrenes, polysulfones, polycarbonates as well as copolymers formed from monomers of one or more of the foregoing being several nonlimiting examples of useful synthetic polymers. Desirably the material or materials of construction of the nozzle assembly is selected also as to not be deleteriously affected by the contents of the container which are to be used with the nozzle assembly. In the case where such contents are chemical compositions, e.g., aqueous or non-aqueous liquid compositions which comprise one or more surfactants, solvents, etc., the use of a synthetic polymer which is essentially chemically inert to such compositions is preferably used. In certain preferred embodiments all of the elements of the nozzle are formed from non-porous materials, preferably non-porous thermoplastic synthetic polymers such as synthetic polymers based on one or more polyolefins.
- The flexible valve of the nozzle assembly of the invention maybe formed of any flexible or elastomer material in his most desirably formed of a material which has a "shape memory" and which will return to an unstressed configuration upon the release or removal of any stresses or other pressures causing deformation of the same. Many synthetic elastomer scum as well as naturally occurring may be used including without limitation natural and synthetic rubbers, neoprene, polyisoprenc, silicone based materials and the like. Preferably, the material of construction for the flexible valve is one which also exhibits an acceptable degree of chemical resistance to any composition which may be dispensed via an improved nozzle assembly as described herein. Where such a composition as a liquid, which can be alkaline or alternately maybe acidic, silicone based materials are advantageously used as a being relatively simple to form, such as by molding into a desired configuration of the flexible valve means, provide a good degree of chemical resistance and at the same time exhibit a good "shape memory".
- Although the invention has been shown and described with respect to the detailed embodiments thereof, it will be understood by those of skill in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof Therefore, it is intended that the invention not be limited to the particular embodiments disclosed in the above detailed description, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
- An improved nozzle assembly with an anti-retraction feature which is useful in conjunction with a container, such as a bottle, for the dispensing of a liquid thereform, the nozzle assembly which includes as the anti-retraction feature a flexible valve 40 which includes a hollow barrel portion 42 which is continuously open at one end 44 and at the other end is provided as a check-valve a matched pair of flaps 46a, 46b which, when the flexible valve 40 is unstressed, are biased into a sealing position, and further wherein the flexible valve 40 also comprises extending radially outwardly from the hollow barrel portion 42 a circumferential flap 48 which functions as a second check-valve, which when the flexible valve 40 is unstressed, are biased into a further sealing position abutting against lateral plate 24 and sealing one or more air passages 36.
- A combination package and delivery article useful for both storing and dispensing a liquid treatment composition which package and delivery article comprises an improved nozzle assembly with an anti-retraction feature as described in claim 1.
- A combination package and delivery article according to claim 2, which contains a thickened liquid having a viscosity of at least 50 cps.
- A combination package and delivery article according to claim 3, which contains a thickened liquid having a viscosity of at least 100 cps.
- A combination package and delivery article according to any of claims 2, 3 or 4 which contains a thickened alkaline liquid.
- A combination package and delivery article according to any of claims 2, 3 or 4 which contains a thickened acidic liquid.
- A combination package and delivery article according to any of claims 2, 3 or 4 which contains a thickened bleach containing liquid.
- A combination package and delivery article according to any of claims 2, 3 or 4 which contains a drain treatment composition.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0810306A GB2460688A (en) | 2008-06-05 | 2008-06-05 | Nozzle assembly with flexible valve |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2130472A1 true EP2130472A1 (en) | 2009-12-09 |
Family
ID=39638240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09007274A Withdrawn EP2130472A1 (en) | 2008-06-05 | 2009-06-01 | Improved liquid dispenser with anti-retraction feature |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090302073A1 (en) |
EP (1) | EP2130472A1 (en) |
GB (1) | GB2460688A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2700588A1 (en) * | 2012-08-21 | 2014-02-26 | EP Systems SA | Dispensing closure having a vent valve |
AT516449A1 (en) * | 2014-11-13 | 2016-05-15 | Wieder Manuel | Closure for a drinking bottle |
CN105992541A (en) * | 2013-10-24 | 2016-10-05 | 艺康美国股份有限公司 | Single piece three-way elastomeric valve |
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US20110233236A1 (en) * | 2010-03-25 | 2011-09-29 | Brown Craig E | Continuous, complete, automatic, non-leaking, non-aerating, positive pressure one-piece vent and pouring combination utilizing one direct venting aperture |
US10138034B2 (en) * | 2008-01-29 | 2018-11-27 | Craig E Brown | Singular cap compound vented nursing and related bottle |
US9433960B2 (en) * | 2008-09-01 | 2016-09-06 | Rieke Corporation | Liquid dosing devices |
DE102009048476B3 (en) * | 2009-10-07 | 2010-09-16 | Gaplast Gmbh | One-way valve for releasing liquid from container, has outer cap which is mounted at container neck, and outlet channel is provided for fluid, where valve body is made of elastic material, and is arranged between container and outer cap |
US20160046421A1 (en) * | 2010-03-25 | 2016-02-18 | Craig E. Brown | Sectionalized fluids container |
WO2014089015A1 (en) * | 2012-12-03 | 2014-06-12 | RLM Group Ltd. | Enhanced dispensing and dosaging techniques for fluid containers |
US9296525B2 (en) | 2012-12-03 | 2016-03-29 | RLM Group Ltd. | Enhanced dispensing and dosaging techniques for fluid containers |
US9096352B2 (en) | 2012-12-03 | 2015-08-04 | RLM Group Ltd. | Enhanced dispensing and dosaging techniques for fluid containers |
TWM459189U (en) * | 2013-03-29 | 2013-08-11 | Rui-De Wang | Improved device of airtight can |
US9573736B2 (en) * | 2013-07-03 | 2017-02-21 | Scholle Ipn Corporation | Connector assembly for a self sealing fitment |
US20190210775A1 (en) * | 2014-06-24 | 2019-07-11 | Craig E. Brown | Universal Single Piece Venting Insert For Container |
JP6893393B2 (en) * | 2016-01-28 | 2021-06-23 | 株式会社吉野工業所 | Discharge container |
US20180273256A1 (en) * | 2017-03-22 | 2018-09-27 | Steve Smith | Reverse suction inhibiting squeeze bottle discharge nozzle |
US10676268B2 (en) * | 2018-09-26 | 2020-06-09 | Phoenix Closures, Inc. | Dispensing closure system with slitted liner |
US11618612B2 (en) * | 2019-02-27 | 2023-04-04 | Container Packaging Systems, LLC | Vented pour spout |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2700588A1 (en) * | 2012-08-21 | 2014-02-26 | EP Systems SA | Dispensing closure having a vent valve |
CN105992541A (en) * | 2013-10-24 | 2016-10-05 | 艺康美国股份有限公司 | Single piece three-way elastomeric valve |
CN105992541B (en) * | 2013-10-24 | 2019-06-25 | 艺康美国股份有限公司 | Single-piece threeway elastomer valve |
AT516449A1 (en) * | 2014-11-13 | 2016-05-15 | Wieder Manuel | Closure for a drinking bottle |
AT516449B1 (en) * | 2014-11-13 | 2016-07-15 | Wieder Manuel | Closure for a drinking bottle |
US9834345B2 (en) | 2014-11-13 | 2017-12-05 | Manuel Wieder | Closure for a bottle |
Also Published As
Publication number | Publication date |
---|---|
US20090302073A1 (en) | 2009-12-10 |
GB2460688A (en) | 2009-12-09 |
GB0810306D0 (en) | 2008-07-09 |
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