EP2700588A1 - Dispensing closure having a vent valve - Google Patents

Dispensing closure having a vent valve Download PDF

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Publication number
EP2700588A1
EP2700588A1 EP12181261.4A EP12181261A EP2700588A1 EP 2700588 A1 EP2700588 A1 EP 2700588A1 EP 12181261 A EP12181261 A EP 12181261A EP 2700588 A1 EP2700588 A1 EP 2700588A1
Authority
EP
European Patent Office
Prior art keywords
valve
dispensing closure
plug body
container
plug
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.)
Granted
Application number
EP12181261.4A
Other languages
German (de)
French (fr)
Other versions
EP2700588B1 (en
Inventor
Amir Feriani
Christian Tâche
Jason Hatton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
EP Systems SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EP Systems SA filed Critical EP Systems SA
Priority to EP12181261.4A priority Critical patent/EP2700588B1/en
Priority to BR102013021161-3A priority patent/BR102013021161B1/en
Priority to CN201310363384.9A priority patent/CN103625787B/en
Priority to RU2013138670/12A priority patent/RU2013138670A/en
Priority to JP2013171787A priority patent/JP6247045B2/en
Priority to US13/972,053 priority patent/US20140054330A1/en
Priority to KR1020130099302A priority patent/KR101851743B1/en
Publication of EP2700588A1 publication Critical patent/EP2700588A1/en
Application granted granted Critical
Publication of EP2700588B1 publication Critical patent/EP2700588B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/02—Scent flasks, e.g. with evaporator
    • 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
    • B05B11/0008—Sealing or attachment arrangements between sprayer and 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
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • B05B11/01—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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container

Definitions

  • the present invention relates to a dispensing closure for dispensing a liquid such as perfume from a container having an opening.
  • the document US 7,681,750 describes a closure for a container that holds a free-flowing product.
  • the container comprises a fixed lower part which can be fastened to a container neck that surrounds a container opening in order to seal the neck; a cover comprising a protruding connecting piece that forms a passage for the free-flowing product; a displaceable upper part which can be coaxially displaced on the lower part in and against the direction of the container between an outer resting position and an inner actuating position; a breaker or dish-shaped diaphragm valve which has a base consisting at least of a flexible elastic material and whose upper edge seals the underside of the upper part; perforations in the base of the diaphragm valve which are closed in the testing position of the upper part; and a diameter of the base that is greater than the inner cross section of the connecting piece.
  • the outer end of the connecting piece continuously supports the base of the diaphragm valve, and the latter continuously pre-tensions the upper part in the direction of its resting position in such a way that, when axial pressure is exerted on the upper part in the direction of the container, the diaphragm valve is bent outwards, thus opening the perforations in the base.
  • a cap may be provided, as also disclosed by the aforementioned document.
  • US 2007/0284397 also discloses a dispensing closure having a plurality of nozzles in a plate arranged above a valve.
  • the plurality of nozzles allows for spraying a mist or the like. Again a cap is provided to prevent leakage.
  • umbrella valves are elastomeric valve components that have a diaphragm shaped sealing disk or an umbrella shape. These elastomeric components are generally used as sealing elements in backflow prevention devices or one-way valves or the like.
  • the convex diaphragm flattens out against the valve seat and absorbs a certain amount of seat irregularities and creates a certain sealing force.
  • the umbrella valve will allow forward flow once the head pressure creates enough force to lift the convex diaphragm from the seat and so it will allow flow at a predetermined pressure in one way and prevent back flow immediately in the opposite way.
  • umbrella valves have a drawback of being large.
  • the valve typically has a diameter of at least 8 cm.
  • the present invention addresses the problems of the prior art and provides a compact dispensing closure as defined in the appended claims.
  • the present dispensing closure ensures liquid tightness even without a cap and is small enough to be used in, for example, perfume bottles which have a standardized bottle neck diameter.
  • Figures 1 and 2 shows fluid container 3 on which is mounted a dispensing closure 2 according to the present invention.
  • the combination of container and fitted closure is referenced by general reference 1.
  • Container 3 may hold a free-flowing product such as lotions, creams, perfumes or the like and is typically provided with a neck having an outlet opening.
  • the container may consist of a solid material, such as glass or ceramic, or also of plastic, whereby the walls of a plastic container may be rigid or flexible.
  • the neck of container 3 may be provided with a thread allowing for a spray top to be fitted thereto in a manner well known in the art.
  • Dispensing closure 2 basically corresponds to a plug that may be fitted into the neck of container 3 to seal it in a liquid-tight manner.
  • FIG. 3 shows in more detail the dispensing closure, also referred to as plug, 2.
  • Plug 2 consists of three parts: a plug cap 21, a double-valve diaphragm 22 and a plug body 23.
  • a tube or rod 24 may be fitted into the plug body so as to allow for transportation from liquid in container 3 to the plug for ejection from the plug.
  • Plug body 23 has a top section for receiving double-valve diaphragm 22 and plug cap 21 is fitted on top of double-valve diaphragm 22 to seal the plug.
  • Figure 4 shows a top view of the plug cap 21 and a cross-sectional view of the plug.
  • plug cap 21 is disk-shaped and is provided with a central opening 21d with one or more air venting slots 21c surrounding the central opening.
  • an internal ring seal 21a is provided for preventing leakage of liquid when a tube or cannular is inserted into a valve located below the plug cap, as will be explained in more detail hereafter.
  • Double-valve diaphragm 22 consists of a flexible elastic material, such as silicone, rubber or a plastic, such as polyethylene or a similar elastomeric material.
  • Double-valve diaphragm 22 comprises a central valve section 22b which has a central slit-type orifice 22a surrounded by a valve seal 22c.
  • a peripheral section constituting an umbrella-type valve 22d is further provided surrounding the valve seal 22c.
  • Such slit-type orifice is known as such, for example from the document US 7,681,750 cited above.
  • a plurality of slits extend in a cross- or star-shape diametrically through the centre of central valve section 22d at equal circumferential angular distances. The ends of the slits are located at an appropriate radial distance from the valve seal 22c.
  • Plug body 23 has a plug-shape with an elongated circular main body 23d for fitting into a neck of a container holding fluid and with a generally disc-shaped top section 23e that sits on top of the neck so as to seal it.
  • Top section 23e has substantially the same external diameter as the neck of the container onto which the plug 2 is fitted. As an example, this diameter may be 15 mm which is a standard FEA 15 size for perfume bottles.
  • Main body 23d has an external elongated cylindrical portion for snugly fitting into the neck of a container 3. Ring seals 23a may be provided on the outer periphery of main body 23d to prevent leakage between the container and the plug. Main body 23d further has an internal elongated cylindrical portion, spaced apart from the external elongated cylindrical portion, which itself has a hollow dip tube seat 23c for receiving a dip-tube 24. One or more rings, in the example shown there are three rings, may be provided to prevent any air entrance from inside the container to the dip-tube.
  • Top section 23e is further provided on its top surface with a welding ring 23f to be fitted in a slot suitably arranged on the lower surface of plug cap 21, as shown, so as to ensure a seal-tight assembly between these elements, for example by laser welding or the like, see also section C in Figure 5 . It further is provided with a central recess 23h delimited by side walls 23g that align with a further slot suitably arranged on the lower surface of plug cap 21 to ensure air-tight assembly between these elements. Recess 23h is configured to receive double-valve diaphragm 22 and is provided with air venting slots that suitably align axially with the air venting slots 21c of diaphragm 22.
  • the internal elongated portion of main body 23d extends into this recess and has an upper hollow section 23b constituting a diaphragm deflection chamber. This is a space that is used when a dip-tube 24 is inserted to prevent any collision between the diaphragm and the tube.
  • the sidewalls of this hollow section 23b constitute shoulders for receiving aligned therewith valve seal 22c of diaphragm 22.
  • Diaphragm 22 is fitted into recess 23h such that when plug cap 21 is fitted to close the plug, the valve seal 22c is compressed between the sidewalls and the plug cap thus ensures liquid-tightness of deflection chamber 23b.
  • these shoulders fix diaphragm 22 by dividing it into a circumferential valve section, an inner valve section constituting a normally closed valve having the slit-type orifice 22a which is closed when the inner valve section is in its resting position and an outer valve section constituting the umbrella-type valve 22b.
  • the umbrella-style valve 22b is also a normally closed valve with the valve seat on the plug cap 21 and which closes the air venting slots of plug cap 21 when in its resting position. As can be understood from the above, umbrella-style valve 22b will then block the air venting slots 21c of plug cap 21.
  • Double-valve diaphragm 22 has double concentrically valves comprising a normally closed orifice with a self-closing slit-type valve 22a and a normally closed umbrella-type valve.
  • a suction is applied by a pump or by a pressure applied to the container through the slit-type orifice 22a.
  • the slit-type orifice 22a opens so that liquid can flow outside of the container and the plug in the direction of arrow "way B" shown in Figure 5 . Because of this, a depression is created inside the container and liquid will exit dip-tube 24, and the plug through the open orifice. This depression will be, for example when spraying perfume, around 5 to 10 mbar.
  • the umbrella-style valve will open thus allowing air to flow in through air venting slots 21c and the corresponding slots of plug cap 23 into container 3 in the direction of arrow "way A" shown in Figure 5 .
  • the depression inside the container is created when an amount of liquid is dispensed.
  • the sprayed volume should be replaced by air in order to have an equilibrium pressure inside and outside the container which is obtained by the air flowing in by the umbrella-type valve being opened due to the created depression.

Abstract

A dispensing closure (1) to be inserted into a container neck (3) comprises
a plug body (23) having a central fluid passage and a peripheral air passage,
a flexible elastic diaphragm (22) arranged in a recess of the plug body (23) to cover the fluid passage and the air passage, and
a plug cap (21) for sealing the diaphragm on the plug body, and having slots (21c) aligned with the air passage of the plug body and a central orifice (21d) aligned with the fluid passage thereof.
The diaphragm (22) comprises a first and a second valve section, the first being a normally closed valve (22d) having a slit-type central orifice (22a) for sealing the central fluid passage of the plug body (23), the second valve section being an normally closed umbrella-type valve (22b) and sealing the one or more slots of the plug cap (21).

Description

  • The present invention relates to a dispensing closure for dispensing a liquid such as perfume from a container having an opening.
  • The document US 7,681,750 describes a closure for a container that holds a free-flowing product. The container comprises a fixed lower part which can be fastened to a container neck that surrounds a container opening in order to seal the neck; a cover comprising a protruding connecting piece that forms a passage for the free-flowing product; a displaceable upper part which can be coaxially displaced on the lower part in and against the direction of the container between an outer resting position and an inner actuating position; a breaker or dish-shaped diaphragm valve which has a base consisting at least of a flexible elastic material and whose upper edge seals the underside of the upper part; perforations in the base of the diaphragm valve which are closed in the testing position of the upper part; and a diameter of the base that is greater than the inner cross section of the connecting piece. The outer end of the connecting piece continuously supports the base of the diaphragm valve, and the latter continuously pre-tensions the upper part in the direction of its resting position in such a way that, when axial pressure is exerted on the upper part in the direction of the container, the diaphragm valve is bent outwards, thus opening the perforations in the base.
  • However, if too much pressure is applied to the container in order to allow the fluid to eject the dispenser, air may enter the container through the fluid channel and any fluid may readily seep out as the pressure inside the fluid channel will then be different from the pressure outside the fluid channel, i.e. the atmospheric pressure.
  • In order to avoid such leakage, a cap may be provided, as also disclosed by the aforementioned document.
  • The document US 2007/0284397 also discloses a dispensing closure having a plurality of nozzles in a plate arranged above a valve. The plurality of nozzles allows for spraying a mist or the like. Again a cap is provided to prevent leakage.
  • Many other valve arrangements are known. For example, the document EP 1953432 shows an umbrella-type valve as a pressure relieve valve. In general, umbrella valves are elastomeric valve components that have a diaphragm shaped sealing disk or an umbrella shape. These elastomeric components are generally used as sealing elements in backflow prevention devices or one-way valves or the like. When mounted in a seat, the convex diaphragm flattens out against the valve seat and absorbs a certain amount of seat irregularities and creates a certain sealing force. The umbrella valve will allow forward flow once the head pressure creates enough force to lift the convex diaphragm from the seat and so it will allow flow at a predetermined pressure in one way and prevent back flow immediately in the opposite way.
  • Such umbrella valves have a drawback of being large. For example, with a pressure of 5 mbar (0.5 kPa), the valve typically has a diameter of at least 8 cm.
  • The present invention addresses the problems of the prior art and provides a compact dispensing closure as defined in the appended claims. The present dispensing closure ensures liquid tightness even without a cap and is small enough to be used in, for example, perfume bottles which have a standardized bottle neck diameter.
  • Other details and different variants of the invention are defined in the dependent claims.
  • The invention will be better understood with the help of the following detailed description and the accompanying drawings illustrating possible embodiments of the invention:
    • Figure 1 shows a general overview of a fluid container on which is mounted a dispensing closure according to the present invention,
    • Figure 2 shows a cross-section of the container with dispensing closure of Figure 1,
    • Figure 3 shows an exploded view of the main elements of the dispensing closure according to the present invention,
    • Figure 4 shows a top view and a cross-sectional view of the dispensing closure according to the present invention, and
    • Figure 5 shows a schematic representation of air and fluid flow through the dispensing closure.
  • A preferred embodiment of the dispensing closure according to the present invention will now be described with reference to the Figures.
  • Figures 1 and 2 shows fluid container 3 on which is mounted a dispensing closure 2 according to the present invention. The combination of container and fitted closure is referenced by general reference 1.
  • Container 3 may hold a free-flowing product such as lotions, creams, perfumes or the like and is typically provided with a neck having an outlet opening. The container may consist of a solid material, such as glass or ceramic, or also of plastic, whereby the walls of a plastic container may be rigid or flexible. The neck of container 3 may be provided with a thread allowing for a spray top to be fitted thereto in a manner well known in the art.
  • Dispensing closure 2 basically corresponds to a plug that may be fitted into the neck of container 3 to seal it in a liquid-tight manner.
  • Figure 3 shows in more detail the dispensing closure, also referred to as plug, 2. Plug 2 consists of three parts: a plug cap 21, a double-valve diaphragm 22 and a plug body 23. A tube or rod 24 may be fitted into the plug body so as to allow for transportation from liquid in container 3 to the plug for ejection from the plug. Plug body 23 has a top section for receiving double-valve diaphragm 22 and plug cap 21 is fitted on top of double-valve diaphragm 22 to seal the plug.
  • Figure 4 shows a top view of the plug cap 21 and a cross-sectional view of the plug.
  • As can be seen, plug cap 21 is disk-shaped and is provided with a central opening 21d with one or more air venting slots 21c surrounding the central opening. In between the air venting slots 21c and central opening 21d an internal ring seal 21a is provided for preventing leakage of liquid when a tube or cannular is inserted into a valve located below the plug cap, as will be explained in more detail hereafter.
  • Double-valve diaphragm 22 consists of a flexible elastic material, such as silicone, rubber or a plastic, such as polyethylene or a similar elastomeric material. Double-valve diaphragm 22 comprises a central valve section 22b which has a central slit-type orifice 22a surrounded by a valve seal 22c. A peripheral section constituting an umbrella-type valve 22d is further provided surrounding the valve seal 22c. Such slit-type orifice is known as such, for example from the document US 7,681,750 cited above. As shown, a plurality of slits extend in a cross- or star-shape diametrically through the centre of central valve section 22d at equal circumferential angular distances. The ends of the slits are located at an appropriate radial distance from the valve seal 22c.
  • Plug body 23 has a plug-shape with an elongated circular main body 23d for fitting into a neck of a container holding fluid and with a generally disc-shaped top section 23e that sits on top of the neck so as to seal it. Top section 23e has substantially the same external diameter as the neck of the container onto which the plug 2 is fitted. As an example, this diameter may be 15 mm which is a standard FEA 15 size for perfume bottles.
  • Main body 23d has an external elongated cylindrical portion for snugly fitting into the neck of a container 3. Ring seals 23a may be provided on the outer periphery of main body 23d to prevent leakage between the container and the plug. Main body 23d further has an internal elongated cylindrical portion, spaced apart from the external elongated cylindrical portion, which itself has a hollow dip tube seat 23c for receiving a dip-tube 24. One or more rings, in the example shown there are three rings, may be provided to prevent any air entrance from inside the container to the dip-tube.
  • Top section 23e is further provided on its top surface with a welding ring 23f to be fitted in a slot suitably arranged on the lower surface of plug cap 21, as shown, so as to ensure a seal-tight assembly between these elements, for example by laser welding or the like, see also section C in Figure 5. It further is provided with a central recess 23h delimited by side walls 23g that align with a further slot suitably arranged on the lower surface of plug cap 21 to ensure air-tight assembly between these elements. Recess 23h is configured to receive double-valve diaphragm 22 and is provided with air venting slots that suitably align axially with the air venting slots 21c of diaphragm 22. The internal elongated portion of main body 23d extends into this recess and has an upper hollow section 23b constituting a diaphragm deflection chamber. This is a space that is used when a dip-tube 24 is inserted to prevent any collision between the diaphragm and the tube. The sidewalls of this hollow section 23b constitute shoulders for receiving aligned therewith valve seal 22c of diaphragm 22.
  • Diaphragm 22 is fitted into recess 23h such that when plug cap 21 is fitted to close the plug, the valve seal 22c is compressed between the sidewalls and the plug cap thus ensures liquid-tightness of deflection chamber 23b. As shown in Figure 4, these shoulders fix diaphragm 22 by dividing it into a circumferential valve section, an inner valve section constituting a normally closed valve having the slit-type orifice 22a which is closed when the inner valve section is in its resting position and an outer valve section constituting the umbrella-type valve 22b. The umbrella-style valve 22b is also a normally closed valve with the valve seat on the plug cap 21 and which closes the air venting slots of plug cap 21 when in its resting position. As can be understood from the above, umbrella-style valve 22b will then block the air venting slots 21c of plug cap 21.
  • The operation of the double-valve diaphragm according to the present invention will now be described with reference to Figure 5.
  • Double-valve diaphragm 22 has double concentrically valves comprising a normally closed orifice with a self-closing slit-type valve 22a and a normally closed umbrella-type valve. When liquid is to be dispensed from the container, a suction is applied by a pump or by a pressure applied to the container through the slit-type orifice 22a. The slit-type orifice 22a opens so that liquid can flow outside of the container and the plug in the direction of arrow "way B" shown in Figure 5. Because of this, a depression is created inside the container and liquid will exit dip-tube 24, and the plug through the open orifice. This depression will be, for example when spraying perfume, around 5 to 10 mbar. Due to this depression, the umbrella-style valve will open thus allowing air to flow in through air venting slots 21c and the corresponding slots of plug cap 23 into container 3 in the direction of arrow "way A" shown in Figure 5. Thus, the depression inside the container is created when an amount of liquid is dispensed. The sprayed volume should be replaced by air in order to have an equilibrium pressure inside and outside the container which is obtained by the air flowing in by the umbrella-type valve being opened due to the created depression.
  • Thus, when the valves are closed, liquid is retained in the reservoir by way of retention A and retention B, as shown in Figure 5. This prevents any liquid splashing when the bottle is not connected to the cannular system or when the bottle has not a lid.
  • Having described now the preferred embodiments of this invention, it will be apparent to one of skill in the art that other embodiments incorporating its concept may be used. It is felt, therefore, that this invention should not be limited to the disclosed embodiments, but rather should be limited only by the scope of the appended claims.

Claims (12)

  1. A dispensing closure (1) for a container (3) that holds a fluid, which can be tightly fitted into a container neck to ensure liquid-tightness of the container, comprising:
    a plug body (23) arranged to be inserted into the container neck and having a central fluid passage and having a peripheral air passage,
    a double-valve diaphragm (22) consisting of a flexible elastic material and arranged in a recess provided in an upper part of the plug body (23) to cover the fluid passage and the air passage, and
    a plug cap (21) for sealing the double-valve diaphragm (22) within the plug body (23) having one or more slots arranged circularly and axially aligned with the air passage of the plug body (23) and having a central orifice axially aligned with the fluid passage of the plug body (23),
    wherein
    the double-valve diaphragm (22) comprises:
    a first valve section, and
    a second valve section,
    where the first valve section is a normally closed valve (22d) having a slit-type central orifice (22a) and which seals the central fluid passage of the plug body (23) when in its resting position, and
    where the second valve section is an umbrella-type valve (22b) which is a normally closed valve and which seals the one or more slots of the plug cap (21) when in its resting position.
  2. A dispensing closure (1) according to claim 1, wherein said double-valve diaphragm (22) further comprises a valve seal (22c) arranged between said first valve section and said second valve section.
  3. A dispensing closure (1) according to claim 1, wherein said double-valve diaphragm (22) further comprises a valve seal (22c) arranged concentrically between said first valve section and said second valve section.
  4. A dispensing closure (1) according to anyone of the preceding claims, wherein said double-valve diaphragm (22) further comprises said first valve section for fluid dispensing and said second valve section for air venting.
  5. A dispensing closure (1) according to claim 1, wherein the first valve section of said double-valve diaphragm (22) is arranged to open when a pressure is created in the central fluid passage of the plug body (23).
  6. A dispensing closure (1) according to claim 1, wherein the first valve section of said double-valve diaphragm (22) is arranged to open when a depression is created in the central fluid passage (21d) of the plug cap (21).
  7. A dispensing closure (1) according to anyone of the preceding claims, wherein the second valve section of said double-valve diaphragm (22) is arranged to open when a depression is created in the central fluid passage of the plug body (23).
  8. A dispensing closure (1) according to anyone of the preceding claims, wherein said plug body has an inner cylindrical elongated portion axially aligned with the central fluid passage for receiving a dip-tube (24).
  9. A dispensing closure (1) according to anyone of the preceding claims, wherein said plug body (23) has a plug-shape with an elongated circular main body (23d) for fitting into a neck of the container when assembled thereto and a disc-shaped top section (23e) that is formed to sit on top of the neck so as to seal it.
  10. A dispensing closure (1) according to anyone of the preceding claims, wherein said top section (23e) has a welding ring (23f) on its upper surface, and said plug cap (21) has a slot arranged in its lower surface for receiving said welding ring.
  11. A combination of a dispensing closure (1) according to anyone of the preceding claims and a container for holding fluid.
  12. The combination of claim 11, wherein said container holds perfume.
EP12181261.4A 2012-08-21 2012-08-21 Dispensing closure having a vent valve Active EP2700588B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP12181261.4A EP2700588B1 (en) 2012-08-21 2012-08-21 Dispensing closure having a vent valve
BR102013021161-3A BR102013021161B1 (en) 2012-08-21 2013-08-19 dispensing closure for container containing fluid
CN201310363384.9A CN103625787B (en) 2012-08-21 2013-08-20 Distribution sealer and its combination with container
JP2013171787A JP6247045B2 (en) 2012-08-21 2013-08-21 Valve controlled dispensing closure
RU2013138670/12A RU2013138670A (en) 2012-08-21 2013-08-21 VALVED CONTROL DOSING TUBE
US13/972,053 US20140054330A1 (en) 2012-08-21 2013-08-21 Valve-controlled dispensing closure
KR1020130099302A KR101851743B1 (en) 2012-08-21 2013-08-21 Valve-controlled dispensing closure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12181261.4A EP2700588B1 (en) 2012-08-21 2012-08-21 Dispensing closure having a vent valve

Publications (2)

Publication Number Publication Date
EP2700588A1 true EP2700588A1 (en) 2014-02-26
EP2700588B1 EP2700588B1 (en) 2015-04-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12181261.4A Active EP2700588B1 (en) 2012-08-21 2012-08-21 Dispensing closure having a vent valve

Country Status (7)

Country Link
US (1) US20140054330A1 (en)
EP (1) EP2700588B1 (en)
JP (1) JP6247045B2 (en)
KR (1) KR101851743B1 (en)
CN (1) CN103625787B (en)
BR (1) BR102013021161B1 (en)
RU (1) RU2013138670A (en)

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CN111591578A (en) * 2020-06-02 2020-08-28 广东心之力科技发展有限公司 Inner plug of aromatherapy glass bottle

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KR102294916B1 (en) * 2018-07-28 2021-08-27 한국과학기술원 Modular micro-fluidic chip and micro-fluidic flow system having thereof
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CN111591578A (en) * 2020-06-02 2020-08-28 广东心之力科技发展有限公司 Inner plug of aromatherapy glass bottle

Also Published As

Publication number Publication date
JP6247045B2 (en) 2017-12-13
KR101851743B1 (en) 2018-06-11
JP2014040275A (en) 2014-03-06
US20140054330A1 (en) 2014-02-27
BR102013021161A2 (en) 2014-12-23
CN103625787A (en) 2014-03-12
RU2013138670A (en) 2015-03-10
CN103625787B (en) 2017-03-29
EP2700588B1 (en) 2015-04-01
KR20140024828A (en) 2014-03-03
BR102013021161B1 (en) 2020-12-08

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