WO2012114174A1 - Device for dispensing fluids or mixtures - Google Patents
Device for dispensing fluids or mixtures Download PDFInfo
- Publication number
- WO2012114174A1 WO2012114174A1 PCT/IB2012/000263 IB2012000263W WO2012114174A1 WO 2012114174 A1 WO2012114174 A1 WO 2012114174A1 IB 2012000263 W IB2012000263 W IB 2012000263W WO 2012114174 A1 WO2012114174 A1 WO 2012114174A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- dispensing
- supporting structure
- collapsible chamber
- lever
- Prior art date
Links
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
- 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
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1029—Pumps having a pumping chamber with a deformable wall actuated by a lever
- B05B11/103—Pumps having a pumping chamber with a deformable wall actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
-
- 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 concerns the technical field of systems for dispensing fluids or mixtures.
- the present invention concerns a device for dispensing a fluid, suited to be applied to a container containing said fluid, particularly suited to dispense food substances, perfumes or detergents in general.
- Said devices substantially comprise a supporting structure provided with means for coupling to the neck of the container and a unit suited to dispense the fluid contained in the container and consisting of a collapsible chamber suited to draw and contain a measured quantity of the fluid coming from the container and to dispense a portion of said measured quantity.
- the fluid is drawn into the collapsible chamber and dispensed by the user who performs a manual operation, first compressing and then releasing the collapsible chamber directly with one or more fingers.
- the fluid contained in the collapsible chamber is dispensed towards the external environment through a suitable outlet duct.
- the collapsible chamber automatically returns in the non compressed position, drawing into the chamber a measured quantity of fluid, which will remain therein, ready for the successive dispensing operation.
- a first drawback posed by said dispensing devices lies in that the quantity of fluid that is dispensed each time the user operates the device is not always the same. Said quantity, in fact, depends on how the collapsible chamber is compressed and therefore on the extent and direction of the force exerted by the user's fingers, which will be different from time to time. The extent and direction of the force depends, furthermore, on the size of the fingers.
- Another drawback posed by said devices lies in that the parts that make them up, in particular the collapsible chamber, are subjected to non uniform wear. Said wear, in fact, essentially depends on the intensity and direction of the force exerted by the user who, as explained above, is different from time to time.
- a further drawback of said devices is represented by the fact that the material of which the collapsible chamber is made must be elastic on one hand, so as to be able to perform its drawing function when it is released after compression, and on the other hand it must have rigidity properties that allow it to resist the continuous compression operations performed by the user. Said rigidity involves the need for the user to exert a rather high compression force, which in some cases can be a drawback, for example for users who can exert less force with their fingers, like children or elderly people.
- a further drawback posed by said devices lies in that the material of which the collapsible chamber is made must be sufficiently rigid to resist possible chemical attacks that may modify its elasticity characteristics. Said rigidity involves the need for the user to exert a rather high compression force, which in some cases can be a drawback, as explained above, for example for users who can exert less force with their fingers, like children or elderly people.
- the object of the present invention is to overcome the drawbacks described above.
- the present invention is based on the general consideration that it is desirable to provide a device for dispensing a fluid for a container containing said fluid and suited to be operated through lever operating means.
- the object of the present invention is a device according to claim 1, that is, a device for dispensing fluids comprising a supporting structure provided with means for coupling to a container of said fluid and a collapsible chamber associated with said supporting structure and suited to draw and contain a measured quantity of said fluid, said device comprising lever operating means suited to deform said collapsible chamber in order to dispense at least one portion of said measured quantity.
- the lever operating means comprise a second order lever whose fulcrum is associated with the supporting structure.
- the lever operating means are made in a single piece with the supporting structure.
- the device according to the invention preferably comprises positioning means suited to define an active position of the lever operating means in order to allow the collapsible chamber to be deformed and the lever operating means to be placed in an inactive position.
- Said positioning means suitably comprise an elastic area of the lever operating means.
- the elastic area, the supporting structure and the lever operating means are carried out in a single piece.
- the elastic area, the supporting structure and the operating means are constituted by separate elements that are properly assembled together.
- the lever operating means preferably comprise a shaped area whose shape matches the shape of the area of the collapsible chamber with which they come into contact.
- the device according to the invention may comprise adjustable end-of-stroke means for the lever operating means.
- the collapsible chamber comprises an elastically yielding ball portion associated with the supporting structure.
- the ball portion preferably comprises a hemispherical portion.
- the collapsible chamber comprises an elastically yielding portion provided with one or more ribs.
- the collapsible chamber comprises an elastically yielding portion having a substantially plane area provided with corrugations.
- the collapsible chamber of the device preferably communicates with the container through a suction duct.
- the device preferably comprises valve suction means suited to regulate the flow of the fluid from the suction duct into the collapsible chamber.
- said valve means comprise a ball for selectively opening and closing the suction duct.
- the collapsible chamber of the device preferably communicates with the outside through a dispensing duct.
- Dispensing valve means are properly provided that are suited to regulate the fluid dispensing operation from the collapsible chamber to the dispensing duct.
- the coupling means allow the device to be removably coupled to the container.
- the coupling means preferably comprise a threaded area.
- a system for dispensing a fluid carried out according to claim 15 meaning a system for dispensing a fluid comprising a container for said fluid and a device for dispensing said fluid carried out according to the description provided above.
- FIG. 1 shows a first embodiment of the dispensing device of the invention applied to a container
- FIG. 1 shows an axonometric view of the device of the invention shown in Figure 1;
- Figure 3 shows a plan view of the device shown in Figure 2;
- Figure 4 shows a sectional view of Figure 3 along line IV - IV;
- FIG. 5 shows the device shown in Figure 2 in a different operating mode
- FIG. 6 shows an exploded side view of the device shown in Figure 2;
- FIG. 12 shows a plan view of a first variant embodiment of the device carried out according to the invention.
- Figure 13 shows a sectional view of Figure 12 along line XIII - XIII;
- Figure 14 shows an axonometric view of some parts of the device shown in Figure 12;
- Figure 15 shows a view from below of the device shown in Figure 14;
- FIG. 16 shows an axonometric view of a further variant embodiment of the device carried out according to the invention.
- FIG. 17 shows a view of a longitudinal cross section of the device shown in Figure 16;
- FIG. 17A shows an enlarged detail of Figure 17.
- FIG. 1 An example of embodiment of a device for dispensing fluids, which is the subject of the present invention, applied to a container C of a fluid L to be dispensed, is shown in Figure 1 , where it is indicated as a whole by 1.
- Said coupling means 3 are constituted by a threaded portion, visible in Figure 4, suited to be engaged with a corresponding threaded portion, not shown in the figures, present on the neck of the container C.
- said coupling means may be of a different type, for example they may be of the snap coupling type.
- a hemispherical element 4 is associated with the top of the supporting structure 2.
- the element 4 is elastically yielding and thus deformable.
- the supporting element 2 is carried out in two parts, a bottom part 2a and a top part 2b, suited to be associated with each other with a snap coupling action and better visible in Figure 6.
- the deformable element 4 is associated with the top part 2b of said supporting structure 2.
- the deformable element 4 is provided with a lower annular edge 5, which is elastically yielding, too, as will be better explained below, and is arranged so that it rests against the outside of truncated cone-shaped ends of ribs 30 of a first substantially cylindrical portion 20 defined in the bottom part 2a of the supporting structure 2, as shown in Figure 4A.
- a chamber 6 suited to contain a quantity of liquid L to be dispensed is defined between the deformable element 4 and the supporting structure 2.
- a suction pipe 7 develops from the lower portion 6a of the chamber 6, said pipe having a predetermined length, such that the pipe can be arranged substantially in proximity to the bottom of the container C, as can be seen in Figure 1.
- first valve means 8 arranged between the chamber 6 and the suction pipe 7 and suited to regulate the flow of the fluid L in the chamber 6.
- Said first valve means 8 are constituted by a ball 9 whose diameter is longer than the inner diameter of the suction pipe 7, accommodated in a housing portion 10 obtained in the bottom part 2a of the supporting structure 2. Inside said housing portion 10 the ball 9 can be arranged in different positions in order to allow the suction pipe 7 to be selectively opened and closed during operation of the device 1, as will be better explained in the description provided below.
- an outlet nozzle 11 comprising a duct 13 for dispensing the fluid L towards the outside of the device 1, and thus towards the outside of the container C.
- the inner end 13a of the duct 13 communicates with an annular chamber 14 defined between the top part 2b and the bottom part 2a of the supporting structure 2 and the external surface of the lower annular edge 5 of the deformable element 4.
- the operating lever 16 is preferably carried out in a single piece together with the top part 2b of the supporting structure 2 and is provided with an elastic fulcrum portion 18 provided with an opening 19 suited to allow the rotation of the lever 16 itself.
- the surface 21 may have a different shape, so that it effectively matches the spherical shape of the external upper surface 17 of the deformable element 4, like for example a hemispherical convex shape.
- the lever 16 can rotate around the fulcrum portion 18 and from the operating position, shown for example in Figure 2, it can rotate and reach the rest position, as shown in Figure 5.
- said rest position can be maintained thanks to the elasticity and the particular configuration of the fulcrum portion 18.
- the top part 2b of the supporting structure 2 and the operating lever 16 are preferably carried out in a single piece and therefore can advantageously be obtained by means of a plastic moulding operation.
- the operating lever 16 may be a separate piece removably associated with the supporting structure 2, for example by means of a hinge element.
- an elastic element can advantageously be interposed between the operating lever and the supporting structure, for example a helical spring with one end connected to the operating lever and the other end connected to the supporting structure.
- the operating lever, the supporting structure and the elastic element are constituted by three separate elements properly assembled together.
- the position of the operating lever fulcrum can be different, so as to properly adapt to the size of the supporting element and/or the deformable element.
- the ribs 22 of the lever 16 rest on the external upper surface 17 of the deformable element 4.
- Figure 8 shows the first operating stage of the device 1, in which the lever 16 is operated by rotating it around the fulcrum 18 and exerts a thrusting action on the deformable element 4.
- the thrusting action on the deformable element 4 increases pressure inside the chamber 6 and the lower annular edge 5 of the deformable element 4 undergoes a lateral deformation towards the outside, creating an opening towards the annular chamber 14.
- Said predetermined quantity depends on the extent of deformation to which the deformable element 4 is subjected and therefore on the extent of volume reduction of the chamber 6.
- said predetermined quantity of fluid L to be dispensed can therefore be defined by intervening on the extent of the maximum stroke of the lever 16 around the fulcrum 18.
- said predetermined quantity of fluid L to be dispensed can therefore be defined by intervening on the extent of the maximum stroke of the lever 16 around the fulcrum 18.
- the release stage of the lever 16 starts, coinciding with the stage in which the fluid L is drawn from the container C in order to restore the quantity of fluid L inside the chamber 6 to be used for the successive dispensing operation.
- Figure 10 shows the lever 16 in its first release stage.
- the lower annular edge 5 of the deformable element 4 returns to rest against the outside of the truncated cone-shaped ends of the ribs 30 of the first cylindrical portion 20 and therefore the chamber 6 is sealed from the outside.
- the deformable element 4 is automatically decompressed thanks to its intrinsic characteristics of elastic compliance, and the fluid L is drawn from the inside of the container C along the suction duct 7 and into the chamber 6.
- Figure 11 shows the final stage in which the lever 16 is released and in which the ball 9 is still positioned so as to open the suction pipe 7 and the volume of the chamber 6 has been completely restored.
- the ball 9 is arranged again so as to obstruct the suction pipe 7 and the device 1 returns to its initial condition, meaning the condition shown in Figure 7, with the chamber 6 filled with a measured quantity of fluid L suited to be used for the successive dispensing operation.
- the deformation of the deformable element 4 always takes place substantially with the same operating modes, that is, with the ribs 22 always working substantially in the same position on the external upper surface 17 of the deformable element 4.
- This makes it possible to make the area of the external upper surface 17 of the deformable element 4 that is subjected to wear with a suitable material and suitable mechanical characteristics, preferably wear- resistance characteristics.
- the presence of the operating lever 16 makes it possible to dispense a predetermined fixed quantity of fluid L from the device 1 when the device is operated. Said predetermined fixed quantity can then be adjusted during production of the device 1, adjusting the lever stroke by positioning its end properly.
- the dispensing device 1 with means for adjusting the end of stroke that can be operated by the user to directly adjust the doses to be dispensed as desired.
- the ribs 22 may be created on an additional component that moves as a slide under the lever 16, said ribs 22 being the end-of-stroke elements for the lever 16 itself.
- the presence of the operating lever 16 makes it possible to reduce the force necessary for the compression of the deformable element 4 compared to the situation in which the device is operated by the user through the direct action of his/her finger on the deformable element 4, as it occurs in the known art.
- a variant embodiment of the device of the invention is illustrated which differs from the first embodiment described with reference to the figures from 1 to 11 only in that the deformable element 54 has on its inner surface a plurality of projecting ribs 55, four in the case at hand, which give the deformable element 54 more mechanical rigidity and better deformability during operation of the operating lever 16.
- the duration of the deformable element 54, and thus of the device 51, is higher.
- the shape, arrangement and number of said projecting ribs may be different.
- Said corrugations give said upper portion 64a higher mechanical hardness and higher elastic return.
- the deformable element is elastically yielding and its return to its rest position after compression takes place automatically thanks to its intrinsic characteristics of elastic compliance.
- said deformable element may be carried out differently, for example it may be an elastically yielding bellows element.
- stage of return to the rest position may be obtained through auxiliary elastic return means, for example helical springs.
- the operating lever may consist of several portions hinged to one another which during operation modify their mutual position in order to advantageously adapt to the profile of the external surface of the deformable element being compressed.
- the present invention allows all the set objects to be achieved.
- it makes it possible to provide a device for dispensing a fluid that allows the quantity of fluid that is dispensed to be controlled every time the device is operated.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12706677.7A EP2678116A1 (en) | 2011-02-22 | 2012-02-13 | Device for dispensing fluids or mixtures |
US13/985,681 US9555428B2 (en) | 2011-02-22 | 2012-02-13 | Device for dispensing fluids or mixtures |
BR112013020628A BR112013020628A2 (en) | 2011-02-22 | 2012-02-13 | fluid dispensing device and system |
CN201280009923.2A CN103384568B (en) | 2011-02-22 | 2012-02-13 | For the distributor of distributing fluids or mixture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITVI2011A000034 | 2011-02-22 | ||
ITVI2011A000034A IT1406090B1 (en) | 2011-02-22 | 2011-02-22 | DEVICE FOR DISTRIBUTION OF FLUIDS OR MIXTURES. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012114174A1 true WO2012114174A1 (en) | 2012-08-30 |
Family
ID=43976560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2012/000263 WO2012114174A1 (en) | 2011-02-22 | 2012-02-13 | Device for dispensing fluids or mixtures |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2678116A1 (en) |
CN (1) | CN103384568B (en) |
BR (1) | BR112013020628A2 (en) |
IT (1) | IT1406090B1 (en) |
WO (1) | WO2012114174A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUB20159355A1 (en) * | 2015-12-23 | 2017-06-23 | Taplast Srl | DEVICE FOR DELIVERY OF FLUIDS OR MIXTURES |
CN113350601A (en) * | 2021-04-29 | 2021-09-07 | 王健 | Digestive system is with freeing stool pot |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3726442A (en) * | 1971-02-17 | 1973-04-10 | Polypump Curacao Nv | Trigger pump and breather valve dispensing assembly |
GB2136059A (en) * | 1983-01-18 | 1984-09-12 | Yoshino Kogyosho Co Ltd | A cream-state fluid dispensing container |
JPS63161152U (en) * | 1987-04-10 | 1988-10-21 | ||
US4962870A (en) * | 1987-09-25 | 1990-10-16 | Cebal | Distributor for pasty products with a deformable pumping member and a flexible disk expulsion valve connected to the pump actuator by a central bearing link |
US5224627A (en) * | 1991-06-22 | 1993-07-06 | Firma Raimund Andris Gmbh & Co., Kg. | Metering pump dispenser for liquid and/or pasty media |
WO2004080607A1 (en) * | 2003-03-12 | 2004-09-23 | Incro Limited | Improvements in or relating to dispenser nozzles |
CN1747791A (en) * | 2003-02-18 | 2006-03-15 | 英克罗有限公司 | Dual chamber dispenser |
US20100140299A1 (en) * | 2006-12-08 | 2010-06-10 | Sweeton Steven L | Trigger Sprayer |
US20100219207A1 (en) * | 2009-02-27 | 2010-09-02 | Seaquist Perfect Dispensing Gmbh | Lever spray pump |
-
2011
- 2011-02-22 IT ITVI2011A000034A patent/IT1406090B1/en active
-
2012
- 2012-02-13 CN CN201280009923.2A patent/CN103384568B/en not_active Expired - Fee Related
- 2012-02-13 EP EP12706677.7A patent/EP2678116A1/en not_active Withdrawn
- 2012-02-13 WO PCT/IB2012/000263 patent/WO2012114174A1/en active Application Filing
- 2012-02-13 BR BR112013020628A patent/BR112013020628A2/en not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3726442A (en) * | 1971-02-17 | 1973-04-10 | Polypump Curacao Nv | Trigger pump and breather valve dispensing assembly |
GB2136059A (en) * | 1983-01-18 | 1984-09-12 | Yoshino Kogyosho Co Ltd | A cream-state fluid dispensing container |
JPS63161152U (en) * | 1987-04-10 | 1988-10-21 | ||
US4962870A (en) * | 1987-09-25 | 1990-10-16 | Cebal | Distributor for pasty products with a deformable pumping member and a flexible disk expulsion valve connected to the pump actuator by a central bearing link |
US5224627A (en) * | 1991-06-22 | 1993-07-06 | Firma Raimund Andris Gmbh & Co., Kg. | Metering pump dispenser for liquid and/or pasty media |
CN1747791A (en) * | 2003-02-18 | 2006-03-15 | 英克罗有限公司 | Dual chamber dispenser |
CN1802220B (en) * | 2003-02-18 | 2010-10-06 | 英克罗有限公司 | Pumped nozzle device and its manufacture method |
WO2004080607A1 (en) * | 2003-03-12 | 2004-09-23 | Incro Limited | Improvements in or relating to dispenser nozzles |
US20100140299A1 (en) * | 2006-12-08 | 2010-06-10 | Sweeton Steven L | Trigger Sprayer |
US20100219207A1 (en) * | 2009-02-27 | 2010-09-02 | Seaquist Perfect Dispensing Gmbh | Lever spray pump |
Also Published As
Publication number | Publication date |
---|---|
EP2678116A1 (en) | 2014-01-01 |
CN103384568A (en) | 2013-11-06 |
CN103384568B (en) | 2016-01-20 |
BR112013020628A2 (en) | 2016-10-04 |
ITVI20110034A1 (en) | 2012-08-23 |
IT1406090B1 (en) | 2014-02-06 |
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