WO2012156830A1 - Distributeur à déclencheur comportant une valve de pré-compression - Google Patents

Distributeur à déclencheur comportant une valve de pré-compression Download PDF

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Publication number
WO2012156830A1
WO2012156830A1 PCT/IB2012/051129 IB2012051129W WO2012156830A1 WO 2012156830 A1 WO2012156830 A1 WO 2012156830A1 IB 2012051129 W IB2012051129 W IB 2012051129W WO 2012156830 A1 WO2012156830 A1 WO 2012156830A1
Authority
WO
WIPO (PCT)
Prior art keywords
baffle
pumping chamber
valve
dispensing
pipe
Prior art date
Application number
PCT/IB2012/051129
Other languages
English (en)
Inventor
Riccardo Alluigi
Original Assignee
Guala Dispensing S.P.A.
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 Guala Dispensing S.P.A. filed Critical Guala Dispensing S.P.A.
Priority to EP12715164.5A priority Critical patent/EP2661327B1/fr
Priority to ES12715164.5T priority patent/ES2535520T3/es
Publication of WO2012156830A1 publication Critical patent/WO2012156830A1/fr

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
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1011—Piston pumps 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
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring

Definitions

  • the present invention relates to a triggered dispensing device for a liquid.
  • the known triggered dispensing devices envisage trigger-operated pumping means, which aspirate the liquid into a pumping chamber and dispense it outwards by means of a piston.
  • the purpose of the present invention is to satisfy the aforementioned requirements and overcome the drawbacks of the prior art, by making a triggered dispensing device with a delivery valve which behaves optimally when opened, and which is suitable for being produced in an extremely economical manner by virtue of its simplicity of construction.
  • FIG. 1 shows views partially in cross- section of the dispensing device according to the present invention, according to three different embodiments;
  • FIG. 1 shows further views partially in cross-section of the dispensing device respectively corresponding to figures 1, 6 and 8 wherein the piston and the suction valve are visible;
  • FIG. 3a and 3b are two perspective views from different angles of the delivery valve used in figures 1 and 2, without the flexible baffle;
  • FIG. 4 and 5 respectively show a view with separated parts and a longitudinal cross-section of the delivery valve in figures 1 and 2;
  • FIG. 10 and 11 show views partially in cross- section of a dispensing device according to two further embodiments .
  • a dispensing assembly for a liquid comprises a container, to contain the liquid to be dispensed (not shown) , and a manually operated triggered dispensing device, mechanically connected to the container.
  • the device 1 comprises a fastening 50 for connection to the neck of the container, for example for a threaded or bayonet connection.
  • the device 1 further comprises a frame 48, generally made in polymer material, usually in a single piece, for the support of the other components.
  • the device 1 comprises pumping means suitable to aspirate the liquid from the container and to spray it outside the device itself.
  • the pumping means comprise a pumping chamber 2 suitable for being placed in fluidic communication with ' the container; for example, the frame 48 comprises a suction pipe 10 open at one end towards the container and such as to terminate, at the opposite end, in the chamber 2.
  • the pumping means further comprise a piston 4, slidable in an airtight manner in the chamber 2 along a piston axis X.
  • the frame 48 comprises a chamber wall 52, for example cylindrical, with its axis coinciding with the piston axis X, which annularly defines the chamber 2, and a bottom wall 6, for example perpendicular to the piston axis X, placed opposite the piston head 4, which defines the bottom of the chamber 2.
  • a chamber wall 52 for example cylindrical, with its axis coinciding with the piston axis X, which annularly defines the chamber 2, and a bottom wall 6, for example perpendicular to the piston axis X, placed opposite the piston head 4, which defines the bottom of the chamber 2.
  • the suction pipe 10 terminates in the pumping chamber 2 through a suction aperture 12 made in said bottom wall 6.
  • the device 1 comprises manually-operated actuation means, suitable for being moved to move the piston 4 in translation.
  • the actuation means comprise a trigger 8, supported by the frame 48, for example hinged to it or translatable on it.
  • the trigger 8 is engaged with the piston 4 to move said piston in translation.
  • the piston 4 slides in the chamber 2 between an initial rest or rearward or start stroke position, wherein the volume of the chamber . 2 is maximum, - and a final, or forward or end stroke dispensing position, wherein the volume of the chamber is minimum.
  • the actuation 'means comprise return means suitable for constantly influencing the trigger 8 towards the initial rest position.
  • said return means comprise an elastic element.
  • the device 1 comprises a dispensing pipe 14 suitable for being placed in fluidic communication, at an inlet opening, with the pumping chamber 2 and, at an exit aperture, with the outside environment, to spray the liquid into the environment.
  • the frame 48 comprises a pipe wall 54 annular around a dispensing axis Z which annularly defines the dispensing pipe 14.
  • the dispensing pipe extends advantageously along the dispensing axis Z, preferably distinct from and parallel to the piston axis X.
  • the frame 48 comprises a support wall 46, for example an annular wall axial symmetric to the dispensing axis Z.
  • an inlet opening 16 of the dispensing pipe 14 is defined, around the inlet opening and externally to the pipe 14 (since the support wall 46 has larger dimensions than said inlet) , by an annular projection 42.
  • annular projection 42 encircles said inlet opening projecting from the dispensing duct.
  • the inlet opening 16 is defined, externally to the dispensing pipe 14, by a crown surface 72. ' [0034] Such variation thereby permits a considerable simplification of the device structure, at least in relation to the embodiments which envisage such annular projection 42.
  • the device 1 comprises a nozzle 56 applied to the output end 14b of the dispensing pipe 14, to place the outgoing liquid in vortication or to finely nebulise it or to open/close the output of the dispensing pipe.
  • the nozzle 56 is provided with openings on the side wall, to perform a functioning indication, together with a wall projecting from the frame, positioned below said aperture.
  • the device 1 comprises valve suction means suitable for permitting the passage of liquid from the suction pipe 10 to the pumping chamber 2 when the piston 4 returns from the final position to the initial position, and suitable to limit or prevent the return of the liquid from the pumping chamber 2 to the suction pipe 10 when the piston moves from the initial position to the final position.
  • the valve suction means comprise a suction valve 18 suitable for fluidically separating the pumping chamber 2 from the suction pipe 10, applied to the bottom wall 6 of the chamber 2, so as to surmount or cover the suction aperture 12.
  • the suction valve 18 comprises a membrane, which surmounts the suction aperture 12, having a front side 58, facing the piston 4, and a rear side 60, preferably axial symmetric to a valve axis.
  • valve axis coincides with the piston axis X.
  • the valve 18 further comprises, according to one embodiment, a continuous annular lip, projecting axially from the rear side 60 of the membrane.
  • the suction valve 18 comprises a stem 62, projecting from the rear side 60, preferably along the valve axis.
  • the stem 62 is suitable for snap coupling to the bottom wall 6, for example passing through the thickness, through a hole made through the thickness of said bottom wall 6.
  • the stem 62 comprises an airtight section, which has a diameter suitable for inserting itself so as to be airtight in the hole, a reduced section and a head, preferably pointed, for the snap insertion in the hole.
  • the suction valve 18 has an axial compartment, extending along the valve axis, open on the front side 58 and blind.
  • the device 1 comprises delivery valve means suitable for allowing the passage of pressurised liquid from the pumping chamber 2 to the dispensing pipe 14 when the piston moves from the initial position to the final position.
  • the delivery valve means comprise a delivery valve 20, 22, 24, 76, distinct ⁇ from the suction valve 18, applied to the intake of the dispensing pipe 14, that is at the inlet opening.
  • the delivery valve 20, 22, 24, 76 comprises a valve body 26 and a baffle 28 deformable externally to the dispensing pipe 14.
  • the delivery valve extends around a delivery valve axis, advantageously coinciding with the dispensing axis Z.
  • the baffle 28 is axial symmetric to the delivery valve axis.
  • the valve body 26 further comprises a support wall 30 coupled to the baffle 28 so as to follow it during its deformation.
  • the support wall 30 has its own determined flexibility, such as to allow the deformation/oscillations of the baffle 28 in relation to the dispensing pipe 14.
  • the support wall 30 is in a shape-memory material to make the deformation of the baffle 28 reversible at the end of a fluid dispensing phase.
  • this variation envisages that the support wall 30 plays the dual role of support for the baffle 28 and of elastic return element of the latter in the non-deformed configuration, when the pressure upstream of the baffle returns to an atmospheric value.
  • the support wall 30 makes an end stroke for the baffle 28 during deformation.
  • the baffle 28 is delimited by a front surface 32 facing the dispensing pipe 14 and by an opposite rear surface 34 resting on the support wall 30.
  • the baffle 28 comprises a continuous annular projection 74., projecting axially from the front surface 32, .which in the return phase is suitable for abutting with the crown surface 72.
  • the front surface 32 is convex (as shown for example in figure 2), is concave (figure 7) or is substantially planar (figure 9).
  • the baffle 28 and the support wall 30 are at least partially made from different polymers, which are preferably made by means of a co-moulding process, advantageously of the coreback type.
  • the baffle is composed of ethylene- vinyl-acetate (EVA) , of polyoxyethylene (POE) or of another suitable thermoplastic elastomer (TPE) , while the support wall is made in polypropylene (PP) or in low density polyethylene (PELD).
  • EVA ethylene- vinyl-acetate
  • POE polyoxyethylene
  • TPE thermoplastic elastomer
  • PP polypropylene
  • PELD low density polyethylene
  • the reduction of the mean thicknesses of the baffle is not accompanied by a reduction of its mechanical resistance, nor of its reliability over time.
  • the production method of the delivery valve makes it possible to produce baffles of different thickness depending on specific requirements, for example depending on the viscosity of the liquid to be dispensed or on the distance of the desired jet.
  • a male part of the mould is distanced from the newly formed body to create a cavity for the subsequent moulding of the baffle; this way the baffle binds in a substantially indissoluble manner to the support wall, without the need to interpose adhesives.
  • Such distancing determines the thickness of the baffle, and thereby the response characteristics of the latter to the pressures of the liquid inside the device.
  • the support wall 30 comprises a plurality of arms 40 which extend in a substantially radial manner towards the connection wall [0070]
  • the support wall forms a grid, which alternates empty and solid zones for the support of the baffle.
  • the arms 40 converge towards a connection ring 44, which advantageously has a smaller radial dimension than the through section circumscribed by the annular projection 42.
  • connection ring 44 has a tubular ring body, which extends rearwards in relation to the surface destined to abut with the rear surface 34, for example for the variant illustrated in figure 5.
  • the delivery valve 20, 22, 24, 76 comprises a tubular connection wall 36, projecting rearwards from the baffle 28, and preferably coupling to the support wall 46 of the frame 48.
  • connection wall 36 comprises a cuff 64 suitable for coupling to the support wall 46.
  • the support wall 30 is connected to the connection wall 36 and overlaps at least partially the lumen 38 defined by the latter. [0077] In other words, the support wall 30 is coupled to the connection wall 36 in such a way that the former interferes at least partially with the lumen defined by the tubular wall 36.
  • the device 1 comprises a cover 66 supported by the frame 48, to cover said frame and the inner components.
  • the trigger 8 and preferably the nozzle 56 project from the cover 66.
  • the cover 56 comprises an upper portion 68 which extends along the dispensing pipe 14, as far as the nozzle 56.
  • said upper portion 68 has at least one indication aperture, from which a signalling portion of the frame 48 projects or is visible, preferably in a contrasting colour to said upper portion 68, to perform a signal.
  • the cover 66 comprises a rear portion 70, positioned rearwards . of the delivery valve 20, 22, 24, 76 in relation to the dispensing axis Z.
  • the device 1 is provided with return means, comprising the elastic element, suitable for constantly influencing the trigger 8 towards the initial rest position .
  • the elastic element is preferably positioned externally to the pumping chamber 2, engaged on one side with the trigger 8, for example next to the connection of said trigger to the piston 4, and on the other connected to the frame 48.
  • the elastic element is symmetrical to the piston axis X and is positioned astride the pumping chamber 2.
  • the device During normal use of the device 1, it is mechanically connected to the container and the tube is usually connected to the suction pipe 10, to aspirate the liquid contained in the container.
  • the piston 4 moves from the initial position towards the final position pushing the liquid contained in the pumping chamber 2, performing a dispensing phase of use of the device.
  • the liquid acts on the suction valve 18, pressing the membrane which covers the suction aperture 12 of the suction pipe 10 against the bottom wall 6, so as to make a seal against the return of the liquid from the chamber 2 towards the container.
  • the continuous annular projection which surrounds the suction aperture 12 externally to the suction pipe is pressed against the bottom wall 6, ensuring the seal.
  • the liquid acts on the delivery valve 20, 22, 24, 76 so as to distance the baffle 28 from the inlet opening 16, and in particular from the annular projection 42 which surrounds such access aperture to the dispensing pipe 14.
  • the liquid insinuates itself between the baffle 28 and the space external to the annular projection 42, causing the detachment of the baffle 28 from such projection, and thereby the entrance of the pressurised liquid into the dispensing pipe 14.
  • baffle 28 The rearward movement of the baffle 28 is accompanied by the support wall 30 of the delivery valve 20, 22, 24, 76 which during the dispensing phase moves away from the annular projection 42, but which preferably acts as an end stroke to prevent excessive or uncontrolled deformations of the baffle.
  • the elastic element is elastically deformed compared to the non- deformed condition.
  • the piston 4 At the end of the dispensing phase, the piston 4 is in the final position and the trigger 8 is released.
  • the return means act on the trigger to bring it back again, at the same time dragging the piston from the final position towards the initial position, performing a return phase of use of the device.
  • the membrane of the suction valve 18 separates from the bottom wall 6 and the depression makes it possible to aspirate liquid from the container into the pumping chamber 2.
  • the present invention further relates to a triggered dispensing device 1 for a liquid, comprising a pumping chamber 2, a piston 4, a trigger 8, a suction pipe 10, a dispensing pipe 14, a suction valve 18, a delivery valve 20, 22, 24, 76 of the type illustrated above . , _ where _the baffle (28) is co-moulded to the support wall (30) of the valve body (26) .
  • the dispensing device according to the present invention behaves in an optimal manner when dispensing, thanks to the limitation of the aperture of the delivery valve permitted.
  • the device is very simple to assemble and produce, and therefore makes it possible to reduce machine-time and therefore increase production.
  • the use of different materials for the baffle and for the valve body makes it possible to achieve the characteristics of flexibility needed for the device to function, and at the same time the mechanical resistance essential for prolonged, repeated and reliable use of the device.
  • the cover has an essentially aesthetic role, without the impacts to which it is generally subject being able to jeopardise the functionality of the inner components.
  • Such configuration has proved particularly advantageous, in that the delivery valve acts as a pre- compression valve, opening to the flow of liquid towards the dispensing pipe only when the action of the liquid exceeds a predefined pressure threshold.
  • the delivery valve which the present invention relates to makes it possible to give the resilient portion a clearly defined aperture threshold, and an immediate return to the initial shape after the pre-compression phase.
  • the production method of the present delivery valve is suitable for being modified in an extremely simple manner, to make baffles suitable for specific uses.
  • the components are firmly connected to the frame, to prevent accidental dismantling, for example during transport; in addition, the connection is often a snap-connection, leading to high speed and reliable assembly.
  • the piston axis and the dispensing axis are separate and incident.
  • the _ support wall of the valve body is positioned inside the baffle, that is to say between the front surface and the rear surface of such.
  • this variant envisages that the arms, where provided, are at least partially contained in the matrix of material which the baffle consists of.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Catching Or Destruction (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)

Abstract

La présente invention porte sur un dispositif de distribution déclenché (1) pour des liquides, lequel dispositif comprend une valve de refoulement (20, 22, 24, 76), comprenant un corps de valve (26) et un déflecteur (28) déformable de façon à réguler l'écoulement de fluide entre la chambre de pompage (2) et le tuyau de distribution (14), une paroi de support (30) du corps de valve (26) étant accouplée au déflecteur (28) de façon à suivre celui-ci pendant sa déformation. L'invention porte également sur un distributeur dans lequel le déflecteur (28) d'une valve de refoulement (20, 22, 24, 76) est co-moulé avec une paroi de support (30) du corps de valve (26).
PCT/IB2012/051129 2011-05-17 2012-03-09 Distributeur à déclencheur comportant une valve de pré-compression WO2012156830A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12715164.5A EP2661327B1 (fr) 2011-05-17 2012-03-09 Distributeur à déclencheur comportant une valve de pré-compression
ES12715164.5T ES2535520T3 (es) 2011-05-17 2012-03-09 Dispensador de gatillo con válvula de compresión previa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000067A ITBS20110067A1 (it) 2011-05-17 2011-05-17 Erogatore a grilletto per liquidi con valvola di mandata
ITBS2011A000067 2011-05-17

Publications (1)

Publication Number Publication Date
WO2012156830A1 true WO2012156830A1 (fr) 2012-11-22

Family

ID=44534531

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/051129 WO2012156830A1 (fr) 2011-05-17 2012-03-09 Distributeur à déclencheur comportant une valve de pré-compression

Country Status (4)

Country Link
EP (1) EP2661327B1 (fr)
ES (1) ES2535520T3 (fr)
IT (1) ITBS20110067A1 (fr)
WO (1) WO2012156830A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBS20130114A1 (it) * 2013-07-31 2015-02-01 Guala Dispensing Spa Dispositivo di erogazione a grilletto

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364172B1 (en) * 1998-12-10 2002-04-02 Afa Polytek, B.V. Liquid dispenser and assembly methods therefor
WO2003076079A1 (fr) * 2002-03-13 2003-09-18 Crown Cork & Seal Technologies Corporation Distributeurs a pompe
EP1974826A1 (fr) * 2007-03-24 2008-10-01 Afa Polytek B.V. Dispositif de distribution de liquides avec une vanne à membrane et procédé d'assemblage de la vanne
WO2011128786A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur à gâchette pour liquides ayant une valve à orifice d'écoulement
WO2011128788A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur de liquides à gâchette avec robinet d'aspiration
WO2011128787A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur de liquides à gâchette avec un bouchon pour le robinet de distribution

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2696990B1 (fr) * 2011-04-13 2020-08-05 Silgan Dispensing Systems Corporation Vannes de pulvérisateur à déclencheur améliorées

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364172B1 (en) * 1998-12-10 2002-04-02 Afa Polytek, B.V. Liquid dispenser and assembly methods therefor
WO2003076079A1 (fr) * 2002-03-13 2003-09-18 Crown Cork & Seal Technologies Corporation Distributeurs a pompe
EP1974826A1 (fr) * 2007-03-24 2008-10-01 Afa Polytek B.V. Dispositif de distribution de liquides avec une vanne à membrane et procédé d'assemblage de la vanne
WO2011128786A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur à gâchette pour liquides ayant une valve à orifice d'écoulement
WO2011128788A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur de liquides à gâchette avec robinet d'aspiration
WO2011128787A1 (fr) * 2010-04-14 2011-10-20 Guala Dispensing S.P.A. Distributeur de liquides à gâchette avec un bouchon pour le robinet de distribution

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBS20130114A1 (it) * 2013-07-31 2015-02-01 Guala Dispensing Spa Dispositivo di erogazione a grilletto
WO2015015326A1 (fr) 2013-07-31 2015-02-05 Guala Dispensing S.P.A. Pulvérisateur à gâchette
US10183305B2 (en) 2013-07-31 2019-01-22 Guala Dispensing S.P.A. Dispenser head for manual liquid dispenser device

Also Published As

Publication number Publication date
ES2535520T3 (es) 2015-05-12
EP2661327B1 (fr) 2015-01-28
EP2661327A1 (fr) 2013-11-13
ITBS20110067A1 (it) 2012-11-18

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