EP2755899B1 - Valve de distribution - Google Patents

Valve de distribution Download PDF

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Publication number
EP2755899B1
EP2755899B1 EP11872281.8A EP11872281A EP2755899B1 EP 2755899 B1 EP2755899 B1 EP 2755899B1 EP 11872281 A EP11872281 A EP 11872281A EP 2755899 B1 EP2755899 B1 EP 2755899B1
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EP
European Patent Office
Prior art keywords
valve
ratio
range
head
molded condition
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EP11872281.8A
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German (de)
English (en)
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EP2755899A4 (fr
EP2755899A1 (fr
Inventor
Timothy R. Socier
Jason D. Hatton
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AptarGroup Inc
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AptarGroup Inc
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Publication of EP2755899A1 publication Critical patent/EP2755899A1/fr
Publication of EP2755899A4 publication Critical patent/EP2755899A4/fr
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    • 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

Definitions

  • the present invention relates generally to dispensing valves and systems, and more particularly relates to valves for dispensing a product from a container or other source, and in more particular applications, to such valves suitable for use in a dispensing closure for a flexible container which is squeezable to create a pressure differential across the valve.
  • One type of flexible, resilient, dispensing valve is a self-closing, slit-type valve mounted by a closure in a port of a fluent container or other source of fluent product.
  • Such valves have a slit or slits which define a normally closed orifice that opens to permit flow therethrough in response to an increased pressure differential across the valve (e.g., resulting from an increased pressure within the container when the container is squeezed, or from a reduced external ambient pressure compared to the pressure within the container).
  • Such valves are typically designed so that they automatically close to shut off flow therethrough upon a reduction of the pressure differential across the valve.
  • the closure includes a body or base mounted on the container neck to define a seat for receiving the valve and includes a retaining ring or other structure for holding the valve on the seat in the base. See, for example, U.S. Patent No. 6,269,986 and No. 6,616,016 .
  • the valve is normally closed and can withstand the weight of the fluid product when the container is completely inverted so that the liquid will not leak out unless the container is squeezed.
  • US 7 784 652 discloses a prior art valve, in accordance with the preamble of appended claim 1.
  • valves and valve systems have significant advantages and function well, there is always room for improvement. For example, in some applications it is desirable for such valves to open in a "gentle" or non-abrupt manner with reduced splatter and more control of a fluent product when dispensing than is achieved with currently available valves.
  • a flexible, resilient slit valve is provided to allow selective dispensing of a fluent product from an interior environment to an exterior environment.
  • the valve includes a flexible, resilient head centered on a central axis and extending laterally therefrom, an annular, peripheral attachment portion centered on the central axis and spaced laterally from the head, and an annular, flexible resilient, intermediate portion centered on the central axis and extending laterally from the head to the peripheral attachment portion.
  • the head has a convex interior surface to face an interior environment; a concave exterior surface to face an exterior environment; at least one self-sealing slit through the head; confronting, openable portions along the at least one slit to define a normally closed orifice in an unconstrained condition wherein the openable portions can move in a first direction toward the exterior environment to an open orifice configuration and return in an opposite direction to a closed configuration; and a laterally outwardly facing peripheral surface extending from the interior surface toward the exterior surface, the peripheral surface being centered on the central axis.
  • the intermediate portion has an interior surface to face an interior environment, and an exterior surface to face an exterior environment.
  • the exterior surfaces of the head and the intermediate portion intersect at a first circular line of intersection having a diameter D 1 .
  • the exterior surface of the intermediate portion and the peripheral attachment portion intersect at a second interior circular line of intersection having a diameter D 2 .
  • the second circular line of intersection is spaced in the first direction from the first circular line of intersection.
  • the first and second circular lines of intersection lie in parallel planes extending transverse to the central axis and are spaced from each other along the central axis by a distance L 1 .
  • the ratio of D 1 /D 2 is in the range of 0,600 to 0,900 in an as-molded condition of the valve, and the ratio of D 2 /L 1 is in the range of 14,000 to 19,000 in said as-molded condition of the valve.
  • the exterior surface of the intermediate portion is convex and the exterior surface of the head is concave and the first circular line of intersection is defined at an inflection point between the convex exterior surface of the intermediate portion and the concave exterior surface of the head.
  • the ratio of D 2 /L 1 is in the range of 15,500 to 16.000 in the as-molded condition of the valve.
  • the ratio of D 2 /L 1 is 15,750 in the as-molded condition of the valve.
  • the ratio of D 2 /L 1 is in the range of 18,500 to 19.000 in the as-molded condition of the valve.
  • the ratio of D 2 /L 1 is 18,750 in the as-molded condition of the valve.
  • the ratio of D 1 /D 2 is in the range of 0,625 to 0,675 in the as-molded condition of the valve.
  • the ratio of D1/D2 is 0,653 in the as-molded condition of the valve.
  • the ratio of D 1 /D 2 is in the range of 0,800 to 0,850 in the as-molded condition of the valve.
  • the ratio of D 1 /D 2 is 0,827 in the as-molded condition of the valve.
  • the ratio of D 2 /L 1 is in the range of 15,500 to 16,000, and the ratio of D 1 /D 2 is in the range of 0,625 to 0,675 in the as-molded condition of the valve.
  • the ratio of D 2 /L 1 is in the range of 18,500 to 19,000, and the ratio of D 1 /D 2 is in the range of 0,800 to 0,850 in the as-molded condition of the valve.
  • the intermediate portion has a uniform material thickness separating the exterior and interior surfaces.
  • the interior surface of the intermediate portion is concave, and the peripheral surface of the head is frustoconical.
  • At least one of the interior and exterior surfaces of the head has a planar portion adjacent the central axis, extending transverse to the central axis.
  • a flexible, resilient slit valve is provided to allow selective dispensing of a fluent product from an interior environment to an exterior environment.
  • the valve includes a flexible, resilient head centered on a central axis and extending laterally therefrom, an annular, peripheral attachment portion centered on the central axis and spaced laterally from the head, and an annular, flexible resilient, intermediate portion centered on the central axis and extending laterally from the head to the peripheral attachment portion.
  • the head has a convex interior surface to face an interior environment, a concave exterior surface to face an exterior environment, at least one self-sealing slit through the head, confronting, openable portions along the at least one slit to define a normally closed orifice in an unconstrained condition wherein the openable portions can move in a first direction toward the exterior environment to an open orifice configuration and return in an opposite direction to a closed configuration, and a laterally outwardly facing peripheral surface extending from the interior surface toward the exterior surface, the peripheral surface centered on the central axis.
  • the intermediate portion has an interior surface to face an interior environment, and an exterior surface to face an exterior environment.
  • the interior surface of the intermediate portion and the peripheral surface of the head intersect at a third circular line of intersection having a diameter D 3 .
  • the interior surface of the intermediate portion and the peripheral attachment portion intersect at a fourth circular line of intersection having a diameter D 4 .
  • the fourth circular line of intersection is spaced in the first direction from the third circular line of intersection.
  • the third and fourth circular lines of intersection lie in parallel planes extending transverse to the central axis and are spaced from each other along the central axis by a distance L 2 .
  • the ratio of D 3 /D 4 is in the range of 0,600 to 0,900 in an as-molded condition of the valve, and the ratio of D 4 /L 2 is in the range 14,00 to 30,00 in an as-molded condition of the valve.
  • the ratio of D 3 /D 4 is in the range of 0,650 to 0,700 in an as-molded condition of the valve.
  • the ratio D 3 /D 4 is 0,681 in an as-molded condition of the valve.
  • the ratio of D 4 /L 2 is in the range of 14,5 to 15,5 in an as-molded condition of the valve.
  • the ratio of D 4 /L 2 is 14,921 in an as-molded condition of the valve.
  • the ratio of D 3 /D 4 is in the range of 0,850 to 0,950 in an as-molded condition of the valve.
  • the ratio D 3 /D 4 is 0,867 in an as-molded condition of the valve.
  • the ratio of D 4 /L 2 is in the range of 29 to 31 in an as-molded condition of the valve.
  • the ratio of D 4 /L 2 is 30.
  • valve of this invention may be described, along with a closure, in a typical (upright) position, and terms such as upper, lower, horizontal, etc., are used with reference to this position. It will be understood, however, that the valve embodying this invention may be manufactured, stored, transported, used, and sold in an orientation other than the position described.
  • FIGS. 1-6 A presently preferred embodiment of a valve according the invention is illustrated in FIGS. 1-6 and is designated generally by the number 10.
  • the valve 10 is a self-closing, slit-type valve and is preferably molded as a unitary structure from material which is flexible, pliable, elastic, and resilient.
  • This can include elastomers, such as a synthetic, thermosetting polymer, including silicone rubber, such as the silicone rubber sold by Dow Corning Corp. in the United States of America under the trade designations DC-99-595 and RBL-9595-40. Both of these materials have a hardness rating of 40 Shore A.
  • the valve 10 can also be molded from other thermosetting materials or from other elastomeric materials, or from thermoplastic polymers or thermoplastic elastomers, including those based upon materials such as thermoplastic propylene, ethylene, urethane, and styrene, including their halogenated counterparts.
  • the valve 10 includes a flexible, resilient central portion or head 12 having a first or exterior surface 14 facing an exterior environment (shown generally at 15 in FIGS. 2 , 4 , and 5 ) and a second or interior surface 16 ( FIGS. 2 , 4 , and 6 ) facing an interior environment (shown generally at 17 in FIGS. 2 , 4 , and 5 ).
  • the head 12 also has a laterally outwardly facing peripheral surface 18 ( FIGS. 2 , 4 , and 6 ) extending from the interior surface 16 toward the exterior surface 14, and in the illustrated and preferred embodiment the peripheral surface 18 is frustoconical.
  • the valve 10 further includes a peripheral attachment portion or flange 19, and a flexible, resilient intermediate portion or sleeve 20 that extends laterally outwardly from the head 12 to the flange 19.
  • a peripheral attachment portion or flange 19 and a flexible, resilient intermediate portion or sleeve 20 that extends laterally outwardly from the head 12 to the flange 19.
  • the sleeve 20 has an exterior surface 24 ( FIGS. 1-4 , and 6 ) and interior surface 26 ( FIGS. 2 , 4 , and 6 ) that, in the illustrated and preferred embodiment, are separated by a uniform material thickness T ( FIG. 1 ) of the sleeve 20.
  • the head 12, peripheral attachment portion 19, and sleeve 20 are preferably all symmetrical bodies of revolution centered on a central axis 27.
  • the exterior surface 14 of the head 12 is concave
  • the interior surface 16 of the head 12 is convex
  • the exterior surface 24 of the sleeve 20 is convex
  • the interior surface 26 of the sleeve 20 is concave.
  • the convex, interior surface 16 of the head 12 includes a planar portion 16A ( FIGS. 2 and 6 ) extending transversely from the central axis 27 over a limited area adjacent the axis 27.
  • the head 12 has planar, intersecting, self-sealing slits 28 which together define a closed orifice when the valve 10 is in the closed condition.
  • the slits 28 are each shown in FIGS. 1, 2 , 3 and 6 as defining an open slot.
  • each slit 28 is closed and does not define an open slot.
  • the slits 28 are normal to each other and equal in length.
  • the slits 28 define four, generally sector-shaped, equally sized flaps or petals 30 in the head 12.
  • the flaps or petals 30 may also be characterized as "openable regions" or “openable portions” of the valve head 12.
  • Each flap or petal 30 has a pair of diverging transverse faces 31 defined by the slits 28, and each transverse face seals against a confronting transverse face 31 of an adjacent petal 30 when the valve 16 is closed (faces 31 shown spaced from each other in some of the figures for purposes of illustration only).
  • the valve 10 can be molded with the slits 28, or alternatively, the slits 28 can be subsequently cut into the head 12 of the valve 10 by suitable conventional techniques. As another alternative, the slits 28 could be partially molded into the head 12, with the remainder being cut after molding.
  • the valve 10 has a normally closed, rest position or configuration shown in FIGS. 1-4 and 6 .
  • the valve 10 is typically designed to remain closed when the pressure differential across the valve head 12 is below a predetermined amount, with the petals 30 defining a normally closed orifice configuration.
  • the valve 10 can be forced to one or more open positions or configurations, as shown in FIG. 5 , when a sufficiently high dispensing pressure differential is applied across the valve 12 thereby moving the petals 30 in a first or opening direction toward the exterior environment to an open orifice configuration.
  • the pressure differential across the valve 110 is decreased sufficiently, the inherent resiliency of the valve 10 allows the valve 10 to return to the normally closed condition (by action of the force generated from the resilient valve's deformational stresses).
  • the exterior surfaces 14 and 24, respectively, of the head 12 and sleeve 20 intersect at a first circular line of intersection, shown diagrammatically at 32 in FIGS. 1-4 and 6 , having a diameter D 1 ( FIG. 1 ) and which is defined at an inflection point between the convex exterior surface 24 and the concave exterior surface 14 in the illustrated and preferred embodiment.
  • the exterior surface 24 of the sleeve 20 intersects the peripheral attachment portion 19 at a second circular line of intersection, shown diagrammatically at 34 in FIGS. 1-4 and 6 , having a diameter D 2 ( FIG. 1 ).
  • the peripheral surface 18 of the head 12 and the interior surface 26 of the sleeve 20 intersect at a third circular line of intersection 36 ( FIGS.
  • the second circular line of intersection 34 is spaced in the first direction (toward the exterior environment 15) from the first circular line of intersection 32.
  • the fourth circular line 38 of intersection is spaced in the first direction from the third circular line of intersection 36.
  • the first, second, third, and fourth circular lines of intersection 32, 34, 36, and 38 lie in parallel planes extending transverse to the central axis 27, with the first and second circular lines of intersection 32 and 34 being spaced from each other along the central axis 27 by a distance L 1 , ( FIG. 1 ) and the third and fourth circular lines of intersection 36 and 38 begin spaced from each other along the central axis 27 by a distance L 2 ( FIG. 1 ).
  • a "gentle" or non-abrupt opening of the valve 10 with reduced splatter and more control of a fluent product can be achieved by controlling the distance L 1 with respect to the diameters D 1 and D 2 , and/or by controlling the distance L 2 with respect to the diameters D 3 and D 4 , with all of the distances and diameters being controlled in the as-molded condition or state of the valve 10 (e.g. the condition or state of the valve 10 as defined by the mold and without external forces being applied to the valve 10).
  • controlling the ratio of D 2 /L 1 and/or the ratio of D 1 /L 1 with respect to the ratio of D 1 /D 2 , and/or controlling the ratio D 4 /L 2 and/or the ratio of D 3 /L 2 with respect to the ratio D 3 /D 4 produces the desirable result of a "gentle" opening of the valve 10 with reduced spatter and more control of a fluent product during dispensing.
  • the ratio of D 2 /L 1 is in the range of 14,000 to 19,000 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10.
  • the ratio of D 2 /L 1 is in the range of 18,500 to 19,000 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 1 /D 2 in the range of 0,800 to 0,850 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 2 /L 1 is in the range of 15,500 to 16,000 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 1 /D 2 in the range of 0,625 to 0,675 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 1 /L 1 is in the range of 10,000 to 16,000 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10.
  • the ratio of D 1 /L 1 is in the range of 15,000 to 16,000 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 1 /D 2 in the range of 0,800 to 0,850 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 1 /L 1 is in the range of 10,000 to 10,500 in the as-molded condition of the valve 10 with respect to ratios of D 1 /D 2 in the range of 0,600 to 0,900 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 1 /D 2 in the range of 0,625 to 0,675 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 4 /L 2 is in the range of 14,500 to 30,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10.
  • the ratio of D 4 /L 2 is in the range of 29,500 to 30,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 3 /D 4 in the range of 0,825 to 0,900 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 4 /L 2 is in the range of 14,500 to 15,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 3 /D 4 in the range of 0,650 to 0,750 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 3 /L 2 is in the range of 9,500 to 26,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10.
  • the ratio of D 3 /L 2 is in the range of 25,500 to 26,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 3 /D 4 in the range of 0,825 to 0,900 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 3 /L 2 is in the range of 9,500 to 10,500 in the as-molded condition of the valve 10 with respect to ratios of D 3 /D 4 in the range of 0,625 to 0,925 in the as-molded condition of the valve 10, and even more preferably, with respect to ratios of D 3 /D 4 in the range of 0,650 to 0,750 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the intermediate portion or sleeve 20 is more flexible than the peripheral portion of the head 12 from which the intermediate portion or sleeve 20 extends. This flexibility allows some axial translation of the head 12 along the central axis 27 and further allows the intersection of the sleeve 20 with the head 12 to act somewhat like a hinge for each of the pedals 30 of the head 12 as the pedals 30 move between the closed and open positions.
  • the material thickness T of the sleeve 20 is less than the material thickness of the peripheral portion of the head 12 from which the intermediate portion or sleeve 20 extends, and in the preferred embodiments described above the ratio of D 1 /T and/or D 3 /T is in the range of 15,000 to 55,000 in the as-molded condition of the valve 10, and in more preferred embodiments the ratio of D 1 /T and/or D 3 /T is in the range of 28,000 to 48,000 in the as-molded condition of the valve 10, and in highly preferred embodiments the of D 1 /T and/or D 3 /T is in the range of 17,000 to 23,000 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • the ratio of D 2 /T and/or D 4 /T is in the range of 25,000 to 65,000 in the as-molded condition of the valve 10, and in more preferred embodiments the ratio of D 2 /T and/or D 4 /T is in the range of 35,000 to 47,000 in the as-molded condition of the valve 10, and in highly preferred embodiments the of D 2 /T and/or D 4 /T is in the range of 25,000 to 40,000 in the as-molded condition of the valve 10, especially when molded from the previously identified silicone rubber material.
  • valves made according to the invention has shown significant improvement in achieving the desired "gentle" dispensing in comparison to conventional, currently available valves. For example, a Splatter Evaluation Test was performed to compare valves made according to the invention to conventional valves. This testing showed that the valves made according to the invention produced a splatter area that was 52% to 28% the size of the splatter area produced by conventional valves, with the percent improvement varying from greater (52%) to smaller (28%) as the rate of dispense increases. Additionally, FIG.
  • valves made according to the invention provide a more gradual increase in dispense rate with no initial "burst" of fluent product, as shown by the gentle curve upwards of the dispense amount for the valves made according to the invention in comparison to the initial steep slope of the dispense amount for the conventional valves.
  • the valve 10 may find use with many different types and constructions of closures, containers, and other sources of fluent product, that a closure 40 is shown in FIGS. 4 and 5 for purposes of illustration, and that the particular form or construction of the closure 40 forms no part of the invention unless expressly recited in an appended claim.
  • the closure 40 comprises a base 41 and a retainer 42.
  • the base 41 includes a deck 43 having a dispensing port 44 defined therein, and a skirt 45 extending downwardly from the deck 43 and having retention and sealing features for engagement with a neck of a suitable container (not shown).
  • the retainer 42 includes a laterally outwardly extending annular lip or bead 46 that forms a snap fit engagement with a laterally inwardly extending bead(s) or rib(s) 47 on an interior side 48 of the deck 43.
  • the peripheral attachment portion 19 preferably has a generally dovetail-shaped, transverse cross section which defines a pair of frustoconical surfaces 50 and 52, as best seen in FIGS. 2 , 4 , and 6 . As best seen in FIG.
  • the deck 43 includes a frustoconical surface 54 surrounding the port 44 for matingly engaging the axially outwardly (e.g., exterior environment) facing frustoconical surface 50 of the attachment portion 19, and the retainer 42 includes a frustoconical surface 56 for matingly engaging the axially inwardly (e.g., interior environment) facing frustoconical surface 52.
  • the attachment portion 19 could have other configurations, many of which are known, that would engage with corresponding configurations on a closure, container, or other source of fluent product. Also, in some other arrangements, the attachment portion 19 could be held by other means, such as, for example, heat bonding, material bonding such as is achieved in bi-injection molding, adhesive, and/or a press fit, etc.
  • the orifice of the valve 10 may be defined by structures other than the illustrated straight slits 28.
  • the slits 28 may have various different shapes, sizes and/or configurations in accordance with the requirements and parameters of each particular application.
  • the orifice may also include only one slit 28 or three or more intersecting slits 28.
  • the valve 10 is preferably configured for use in conjunction with (1) the characteristics of the particular application, which, for example, may establish the maximum anticipated pressure differential across the valve 10; (2) the characteristics of the particular substance or product to be used with the valve 10; and (3) any relevant characteristics of other components, such as a closure or container.
  • the viscosity and density of the fluent substance can be relevant factors in designing the specific configuration of the valve 10.
  • the rigidity and durometer of the valve material, and size and shape of the valve head 10 can also be relevant to achieving some desired characteristics, and can be selected for accommodating the normal range of pressure differential that is expected to be typically applied across the valve head 10, and for accommodating the characteristics of the substance to be used with the valve 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Claims (15)

  1. Valve à fente flexible élastique (10) pour permettre la distribution sélective d'un produit fluide d'un environnement intérieur vers un environnement extérieur, la valve comprenant :
    une tête flexible élastique (12) centrée sur un axe central (27) et s'étendant latéralement à partir de celui-ci, la tête (12) possédant :
    une surface intérieure convexe (16) devant être orientée vers un environnement intérieur (17),
    une surface extérieure concave (14) devant être orientée vers un environnement extérieur (15),
    au moins une fente auto-étanche (28) à travers la tête (12),
    des parties ouvrables opposées (30) le long de l'au moins une fente (28) pour définir un orifice normalement fermé dans un état sans contrainte dans lequel les parties ouvrables (30) peuvent se déplacer dans une première direction vers l'environnement extérieur (15) vers une configuration d'orifice ouvert et revenir dans une direction opposée vers une configuration fermée, et
    une surface périphérique orientée latéralement vers l'extérieur (18) s'étendant de la surface intérieure (16) vers la surface extérieure (14), la surface périphérique (18) étant centrée sur l'axe central (27) ;
    une partie de fixation périphérique annulaire (19) centrée sur l'axe central (27) et espacée latéralement de la tête (12) ; et
    une partie intermédiaire annulaire, flexible et élastique (20) centrée sur l'axe central (27) et s'étendant latéralement de la tête (12) à une partie de fixation périphérique (19), la partie intermédiaire (20) possédant :
    une surface intérieure (26) devant être orientée vers ledit environnement intérieur (17), et
    une surface extérieure devant être orientée vers ledit environnement extérieur (15) ; et
    dans laquelle :
    les surfaces extérieures (14, 24) de la tête (12) et la partie intermédiaire (20) se croisent au niveau d'une première ligne d'intersection circulaire (32) ayant un diamètre D1,
    la surface extérieure (24) de la partie intermédiaire et la partie de fixation périphérique (19) se croisent au niveau d'une seconde ligne d'intersection circulaire (34) ayant un diamètre D2,
    la seconde ligne d'intersection circulaire (34) est espacée dans la première direction de la première ligne d'intersection circulaire (32),
    les première et seconde lignes d'intersection circulaires (32, 34) se situent dans des plans parallèles s'étendant transversalement à l'axe central (27) et espacés l'un de l'autre le long de l'axe central (27) d'une distance L1, caractérisée en ce que
    le rapport de D1/D2 est dans la plage de 0,600 à 0,900 dans un état moulé de la valve (10), et
    le rapport de D2/L1 est dans la plage de 14,000 à 19,000 dans ledit état moulé de la valve (10).
  2. Valve (10) selon la revendication 1, dans laquelle la surface extérieure (24) de la partie intermédiaire (20) est convexe et la surface extérieure (14) de la tête est concave et la première ligne d'intersection circulaire (32) est définie au niveau d'un point d'inflexion entre la surface extérieure convexe (24) de la partie intermédiaire (20) et la surface extérieure concave (14) de la tête (12).
  3. Valve (10) selon la revendication 2, dans laquelle le rapport de D2/L1 est dans la plage de 15,500 à 16,000 dans l'état moulé de la valve (10).
  4. Valve (10) selon la revendication 3, dans laquelle le rapport de D2/L1 est de 15,750 dans l'état moulé de la valve (10).
  5. Valve (10) selon la revendication 2, dans laquelle le rapport de D2/L1 est dans la plage de 18,500 à 19,000 dans l'état moulé de la valve (10).
  6. Valve (10) selon la revendication 5, dans laquelle le rapport de D2/L1 est de 18,500 dans l'état moulé de la valve (10).
  7. Valve (10) selon la revendication 2, dans laquelle le rapport de D1/D2 est dans la plage de 0,625 à 0,675 dans l'état moulé de la valve (10).
  8. Valve (10) selon la revendication 7, dans laquelle le rapport de D1/D2 est de 0,653 dans l'état moulé de la valve (10).
  9. Valve (10) selon la revendication 2, dans laquelle le rapport de D1/D2 est dans la plage de 0,800 à 0,850 dans l'état moulé de la valve (10).
  10. Valve (10) selon la revendication 9, dans laquelle le rapport de D1/D2 est de 0,827 dans l'état moulé de la valve (10).
  11. Valve (10) selon la revendication 2, dans laquelle le rapport de D2/L1 est dans la plage de 15,500 à 16,000 et le rapport de D1/D2 est dans la plage de 0,625 à 0,675 dans l'état moulé de la valve (10).
  12. Valve (10) selon la revendication 2, dans laquelle le rapport de D2/L1 est dans la plage de 18,500 à 19,000 et le rapport de D1/D2 est dans la plage de 0,800 à 0,850 dans l'état moulé de la valve (10).
  13. Valve (10) selon la revendication 2, dans laquelle la partie intermédiaire (20) a une épaisseur de matériau uniforme séparant les surfaces extérieure et intérieure (24, 26).
  14. Valve (10) selon la revendication 2, dans laquelle la surface intérieure (26) de la partie intermédiaire (20) est concave et la surface périphérique (18) de la tête (12) est tronconique.
  15. Valve selon la revendication 1, dans laquelle au moins l'une des surfaces intérieure et extérieure (14, 16) de la tête (12) a une partie plane adjacente à l'axe central (27), s'étendant transversalement à l'axe central (27).
EP11872281.8A 2011-09-13 2011-09-13 Valve de distribution Active EP2755899B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2011/051390 WO2013039482A1 (fr) 2011-09-13 2011-09-13 Valve de distribution

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EP2755899A1 EP2755899A1 (fr) 2014-07-23
EP2755899A4 EP2755899A4 (fr) 2015-02-25
EP2755899B1 true EP2755899B1 (fr) 2016-03-02

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EP11872281.8A Active EP2755899B1 (fr) 2011-09-13 2011-09-13 Valve de distribution

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US (1) US20140209644A1 (fr)
EP (1) EP2755899B1 (fr)
CN (1) CN103781708A (fr)
AR (1) AR084638A1 (fr)
AU (1) AU2011376947A1 (fr)
BR (1) BR112014005552A2 (fr)
CA (1) CA2846421A1 (fr)
ES (1) ES2565960T3 (fr)
MX (1) MX342359B (fr)
PL (1) PL2755899T3 (fr)
RU (1) RU2014114510A (fr)
WO (1) WO2013039482A1 (fr)

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US11345523B2 (en) 2018-05-31 2022-05-31 Camelbak Products, Llc Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces

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PL3083429T3 (pl) * 2013-12-21 2018-04-30 FAZEKAS, Gábor Zaworowy element zamykający, kapsel zamykający zawierający zaworowy element zamykający i sposób i urządzenie do wytwarzania zaworowego elementu zamykającego
FR3029507B1 (fr) * 2014-12-04 2017-01-13 Karine Courtin Embout de distribution de fluide a proprietes bactericides/bacteriostatiques
US9763854B2 (en) 2015-05-20 2017-09-19 L. Perrigo Company Flow restrictor
US10494164B2 (en) 2016-03-09 2019-12-03 Fifth Third Bank, an Ohio Banking Dispensable containment vessel and dispensing system
CN106179898A (zh) * 2016-09-18 2016-12-07 天津十二策科技有限公司 一种可控制出胶量的防溢胶袋
JP7092980B2 (ja) * 2017-01-30 2022-06-29 キョーラク株式会社 キャップ及び積層剥離容器
US10836541B2 (en) 2017-11-27 2020-11-17 Gateway Plastics, Inc. Valve for a dispensing container
US10583450B2 (en) * 2018-04-24 2020-03-10 Gerhard Brugger Dosing dispenser
USD901238S1 (en) 2018-05-31 2020-11-10 Camelbak Products, Llc Bite-actuated mouthpiece
USD871836S1 (en) 2018-05-31 2020-01-07 Camelbak Products, Llc Bite-actuated mouthpiece
US10676268B2 (en) * 2018-09-26 2020-06-09 Phoenix Closures, Inc. Dispensing closure system with slitted liner
WO2020096629A1 (fr) * 2018-11-05 2020-05-14 Aptargroup, Inc. Fermeture pour récipient ayant des caractéristiques de retenue améliorées
GB201820292D0 (en) * 2018-12-13 2019-01-30 Obrist Closures Switzerland Flow control insert
KR102131932B1 (ko) * 2019-01-22 2020-07-09 (주)이너보틀 파우치 어셈블리 및 이를 이용한 용기 장치
GB201905182D0 (en) * 2019-04-11 2019-05-29 Obrist Closures Switzerland Valve
US11840378B2 (en) * 2019-12-19 2023-12-12 Colgate-Palmolive Company Valve apparatus and container including the same
WO2023211448A1 (fr) * 2022-04-28 2023-11-02 Aptargroup, Inc. Valve de distribution

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US11345523B2 (en) 2018-05-31 2022-05-31 Camelbak Products, Llc Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces

Also Published As

Publication number Publication date
CA2846421A1 (fr) 2013-03-21
RU2014114510A (ru) 2015-10-20
BR112014005552A2 (pt) 2017-03-21
CN103781708A (zh) 2014-05-07
WO2013039482A1 (fr) 2013-03-21
AR084638A1 (es) 2013-05-29
EP2755899A4 (fr) 2015-02-25
MX342359B (es) 2016-09-27
MX2014002009A (es) 2014-03-27
PL2755899T3 (pl) 2016-09-30
AU2011376947A1 (en) 2014-03-06
EP2755899A1 (fr) 2014-07-23
ES2565960T3 (es) 2016-04-07
US20140209644A1 (en) 2014-07-31

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