EP1914002A2 - Vorrichtung zur Herstellung von Schaum - Google Patents

Vorrichtung zur Herstellung von Schaum Download PDF

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Publication number
EP1914002A2
EP1914002A2 EP07291242A EP07291242A EP1914002A2 EP 1914002 A2 EP1914002 A2 EP 1914002A2 EP 07291242 A EP07291242 A EP 07291242A EP 07291242 A EP07291242 A EP 07291242A EP 1914002 A2 EP1914002 A2 EP 1914002A2
Authority
EP
European Patent Office
Prior art keywords
expulsion
liquid
net
air
pump
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
EP07291242A
Other languages
English (en)
French (fr)
Other versions
EP1914002B1 (de
EP1914002A3 (de
Inventor
Gérard Sannier
Francis Poizot
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP1914002A2 publication Critical patent/EP1914002A2/de
Publication of EP1914002A3 publication Critical patent/EP1914002A3/de
Application granted granted Critical
Publication of EP1914002B1 publication Critical patent/EP1914002B1/de
Ceased 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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/005—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow
    • B05B7/0056—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0062—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • 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

Definitions

  • the invention relates to the field of devices for producing foam by hand pumps, operating on the basis of foaming liquid. It relates more particularly to a device for producing foam intended to be handled by hand, as for example in the field of cosmetics.
  • Some pumps equipped with a user-activated pumping mechanism by means of a lever, make it possible to expel liquid products with a velocity large enough to project these products.
  • This type of pump allows, for example, to project housekeeping products on windows or laundry or, in the field of cosmetics, to spray a mist of solar oil on the skin.
  • Some products, for example washing, are projected in a semi foaming form, but there is no lever pump producing foam of sufficient quality to be used in the field of cosmetics.
  • the foam production apparatuses, used in the field of cosmetics indeed require the production of dense and voluminous foam to be handled by hand, forming for example a foam ball.
  • the present invention therefore aims to overcome one or more of the disadvantages of the prior art by providing a simple device for producing foam, associated with a lever pump, to produce a light and dense foam used in the field of cosmetics .
  • the air supply means comprise an air chamber into which the expulsion duct opens, the chamber comprising an expulsion orifice disposed in front of the expulsion duct and closed by the first net, a peripheral zone of the first thread being connected to the edge of the expulsion orifice.
  • the air supply means comprise at least one air passage communicating the distribution duct with the outside air and through which air is sucked, during the passage of expelled liquid, by a air intake made in the expulsion duct upstream of the first filtering net, with respect to the direction of flow of the liquid.
  • the expulsion conduit opens out of the pump through an expulsion port, a peripheral zone of the first thread being connected to the edge of the expulsion port.
  • the expulsion conduit opens out of the pump via an expulsion orifice, a peripheral zone of the first thread being connected to the wall of the expulsion conduit, upstream of the orifice of expulsion, with respect to the flow direction of the liquid.
  • the device for producing foam comprises a removable end piece for extending the expulsion duct, the air passage being disposed in the removable endpiece at the junction with an expulsion head in which part is partially carried out. the expulsion duct.
  • the expulsion conduit in the removable tip has a section tapering toward the expulsion port.
  • the removable tip is movable in translation, relative to the expulsion head, between a determined recessed position and respectively an advanced position determined to produce a wide and fine foam jet respectively.
  • the first net is rounded and curved outwardly.
  • the first net is flat and comprises a central disk connected to the periphery of the first net by thin elastic bands.
  • the foam production device comprises a second rounded elastic thread curved outwards and disposed downstream of the first thread, with respect to the direction of flow of the liquid, a peripheral zone of the second thread being connected to the edge of the expulsion port or the wall of the expulsion duct.
  • FIG. 1 represents a manual lever pump (A, B, C) (C) equipped with a flexible and resilient curved net (1a) for filtering.
  • the pump is portable by hand.
  • the pump comprises a pump mechanism (A) fed by a reservoir (B) comprising a liquid, such as foaming liquid.
  • the pump mechanism (A) is activated by a user by actuating a pump lever (C) to draw liquid into the tank (B) and expel the liquid, with a determined speed, through an expulsion head (2). pump.
  • the lever pump (C) includes a lever arm to increase the pumping effort and to increase the pumped liquid flow.
  • the speed of the expelled liquid is, for example, increased compared to a vertical piston pump.
  • FIG. 1 represents a first type of expulsion head (2a).
  • An expulsion conduit (C2a) opens, for example, into an air chamber (72a) closed at an expulsion port (52a) by one or more filter threads.
  • the chamber (72a) of air is filled with ambient air, via the net, and, according to one embodiment, produces an air supply intended to be mixed with the foaming liquid to produce foam.
  • An expulsion head (2a) of circular or square section is for example associated with a chamber (72a) of cylindrical or parallelepiped air respectively.
  • the chamber (72a) is for example delimited by thin side walls, an anterior wall, into which the evacuation duct (C2a) opens, arranged in front of the expulsion orifice (52a) closed by a net (1a , 1b) filtering.
  • the flow direction (S) of the liquid is indicated by an arrow (S), the liquid being expelled from the reservoir to the filtering net, by the expulsion duct.
  • the filtering net has a flat shape in its rest position and comprises, for example, a central disk, fixed to thin and flexible bands extending to a limit peripheral.
  • the net is of rounded shape or in portion of sphere, and is made for example by a thin plastic mesh, as shown in Figure 1.
  • a net (1b) plane is disposed in series with a thread (1a) rounded, oscillating both to the passage of the liquid.
  • the filtering thread or nets are for example glued, on their periphery, on the edge of the expulsion orifice or in the expulsion line (C2b) of the expulsion head (2a, 2b) or a mouthpiece (3a, 3b).
  • the expelled foaming product comprises an active agent, optionally combined with a foaming agent, diluted in water, and is thus mixed with air by the oscillating thread (s).
  • the liquid, expelled by the pumping mechanism is associated with the air supplied by the air supply.
  • the thread or nets are stretched and relax alternately, the passage of the foaming liquid.
  • the deformation and the oscillation of the elastic thread thus make a stirring of the foaming liquid in the air to turn the foaming liquid into foam.
  • the user activating the pump by means of its pumping lever, then uses the foam produced in the form of a dense and voluminous foam jet.
  • the expulsion head (2b) comprises one or a plurality of air supply ducts (62b).
  • the ambient air is, for example, sucked into an air supply duct (62b) opening at the level of the liquid expulsion duct (C2b) through an air inlet.
  • the suction of the air is for example associated with the expulsion of liquid, the flow of liquid causing a flow of air.
  • a curved net (1a) or plane (1b) is disposed at the orifice (52b) expulsion, as shown in Figure 2, or in the conduit (C2b) expulsion in downstream of the air inlet (E62b) and upstream of the expulsion port (52b), as shown in FIG.
  • a tip (3a, 3b) equipped with a thread is mounted on an expulsion head of a pump.
  • the tip is mounted tight or by screwing or gluing and arranged around the head (2c) expulsion.
  • the tip is removable and adapts to existing pumps.
  • the tip (3a and 3b respectively) comprises a conduit (C3a and C3b respectively) which extends the conduit (C2c) expulsion of the pump, to an orifice (5b and 5c respectively) expulsion of the nozzle .
  • One or more filtering threads are for example disposed at this expulsion orifice (53a, 53b) or upstream of this expulsion orifice (53a, 53b) in the duct (C3a, C3b) of the nozzle and downstream of the one or more air supply inlets (E63a, E63b, E62b).
  • an air passage (63a, 63b) is arranged in the mouthpiece (3a, 3b) to provide an air supply, for lever pumps carrying out an expulsion of liquid, via their duct (C2c). expulsion, without additional air.
  • the diameter of the conduit (C3a) of the nozzle (3a) narrows towards its end (53a).
  • the narrowing is for example progressive and the duct (C3a) of the nozzle has a frustoconical shape whose small base corresponds to the orifice (53a) expulsion of the foaming liquid.
  • This narrowing has the advantage of increasing the speed of the fluid composed of foaming liquid and air. The increase of the fluid velocity is accompanied by an increase in the oscillations of the filter thread (1a, 1b).
  • this guy nozzle (3a) whose conduit (C3a) is narrowed, allows adjustment of the expulsion rate of the fluid comprising air and foaming liquid.
  • the filtering thread or nets advantageously disposed in an expulsion duct of an expulsion head or nozzle, upstream of the expulsion orifice, are protected by the rigid structure of the head (2b) expulsion or the tip (3b), against shocks with rigid objects that may damage the thread or nets.
  • Figure 9 shows, without limitation, the same tip (3b) as in Figure 7, but advanced by a distance (d) determined with respect to the head (2c) of expulsion.
  • the tip is mounted on the expulsion head, in a fully depressed position, as shown in Figure 7, the end (D1) of the expulsion head is supported against a shoulder (D2) inside the mouthpiece (3b).
  • This fully depressed position then produces a determined broad foam jet.
  • the shoulder (D2) inside the end piece (3b) is at a determined distance (d) from the end (D2) of the head ( 2c), to produce a thinner foam jet than in the fully depressed position, shown in Figure 7.
  • the tip held on the expulsion head by clamping or screwing is movable in translation relative to the expulsion head, the adjustable position of the tip, more or less advanced relative to the expulsion head, determining a width adjustment of the foam jet.
  • This adjustment of the position of the nozzle is applied with any type of tip (3a, 3b) mounted by screwing or tightening on the pump's expulsion head.

Landscapes

  • Nozzles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Glass Compositions (AREA)
  • Molding Of Porous Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Catching Or Destruction (AREA)
EP07291242A 2006-10-12 2007-10-11 Vorrichtung zur Herstellung von Schaum Ceased EP1914002B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0608928A FR2907033B1 (fr) 2006-10-12 2006-10-12 Dispositif oscillant de production de mousse

Publications (3)

Publication Number Publication Date
EP1914002A2 true EP1914002A2 (de) 2008-04-23
EP1914002A3 EP1914002A3 (de) 2008-04-30
EP1914002B1 EP1914002B1 (de) 2010-02-24

Family

ID=37859631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07291242A Ceased EP1914002B1 (de) 2006-10-12 2007-10-11 Vorrichtung zur Herstellung von Schaum

Country Status (4)

Country Link
EP (1) EP1914002B1 (de)
AT (1) ATE458552T1 (de)
DE (1) DE602007004916D1 (de)
FR (1) FR2907033B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603812A (en) 1978-06-27 1986-08-05 The Dow Chemical Company Foam-generating pump sprayer
EP0718041A1 (de) 1994-12-19 1996-06-26 Calmar Inc. Schaumdüse für Flüssigkeitsspender
US5816503A (en) 1993-04-09 1998-10-06 Continental Sprayers International, Inc. Foam trigger dispenser with sealing device and locking means
WO2004078359A1 (en) 2003-03-04 2004-09-16 Airspray N.V. Dispensing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU537072B2 (en) * 1979-08-16 1984-06-07 Canyon Corp. Foam dispenser
FR2790742B1 (fr) * 1999-03-10 2001-05-04 Oreal Ensemble pour le conditionnement et la distribution sous pression d'un produit, notamment cosmetique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603812A (en) 1978-06-27 1986-08-05 The Dow Chemical Company Foam-generating pump sprayer
US5816503A (en) 1993-04-09 1998-10-06 Continental Sprayers International, Inc. Foam trigger dispenser with sealing device and locking means
EP0718041A1 (de) 1994-12-19 1996-06-26 Calmar Inc. Schaumdüse für Flüssigkeitsspender
WO2004078359A1 (en) 2003-03-04 2004-09-16 Airspray N.V. Dispensing device

Also Published As

Publication number Publication date
EP1914002B1 (de) 2010-02-24
EP1914002A3 (de) 2008-04-30
FR2907033A1 (fr) 2008-04-18
FR2907033B1 (fr) 2008-12-26
DE602007004916D1 (de) 2010-04-08
ATE458552T1 (de) 2010-03-15

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