EP0442058A2 - Pulvérisateur de liquides - Google Patents

Pulvérisateur de liquides Download PDF

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Publication number
EP0442058A2
EP0442058A2 EP90122820A EP90122820A EP0442058A2 EP 0442058 A2 EP0442058 A2 EP 0442058A2 EP 90122820 A EP90122820 A EP 90122820A EP 90122820 A EP90122820 A EP 90122820A EP 0442058 A2 EP0442058 A2 EP 0442058A2
Authority
EP
European Patent Office
Prior art keywords
spray device
particular according
liquid
liquid spray
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
EP90122820A
Other languages
German (de)
English (en)
Other versions
EP0442058A3 (en
EP0442058B1 (fr
Inventor
Alfred Von Schuckmann
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
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0442058A2 publication Critical patent/EP0442058A2/fr
Publication of EP0442058A3 publication Critical patent/EP0442058A3/de
Application granted granted Critical
Publication of EP0442058B1 publication Critical patent/EP0442058B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B7/24—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 means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2424—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge
    • B05B7/2427—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge and a secondary stream of atomising fluid being brought together in the container or putting the carried liquid under pressure in the 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
    • B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump

Definitions

  • the invention relates to a liquid spray device according to the preamble of patent claim 1.
  • a liquid spray device of this type is known from US-PS 4 167 941.
  • the air pump is operated there via a handle on the head piece side.
  • the overpressure cushion that builds up is available as a storage force.
  • the liquid is squeezed out by actuating a discharge valve on the head piece side.
  • the storage device consists of a chamber with a piston disk guided freely therein, which rests on a compression spring which correspondingly tightens with increasing filling of the respective chamber.
  • the overpressure cushion is built up via several small pistons using a rotary movement of the said handle.
  • the pistons which are arranged radially and in opposite directions transversely to the longitudinal center axis of the liquid spraying device, engage with their piston shaft via a control pin in a zigzag-shaped link slot which, taking into account the rotatability of the dispenser head, follows an undulating circular path. That requires a lot of "shooting".
  • the object of the present invention is to manufacture a generic liquid spray device simple, advantageous to use in such a way that a strong, so-called “dry” spray jet is achieved without storage requiring springs.
  • a liquid spray device of the generic type is realized, which is characterized by a simple structure and perfect function. Without a special spring body, while maintaining the usual volume share for the actual dispenser mechanism, a stable spray jet profile is achieved, so that even the most varied of media can be applied, so that even the more environmentally friendly cartridge system can be used with advantage. All this is achieved by a cartridge receiving space that can be placed between the removable head piece and an air pump handle located at the opposite end under the air pressure. The operating medium can thus be stored in columns and rooms that are already present, even taking into account the space accommodating the cartridge. In addition, there is the head area, i.e. in the space available from the head piece.
  • the unit that creates the corresponding overpressure air cushion sits in the end conveniently remote from the head piece.
  • the latter therefore remains easily removable for the insertion of the next, full cartridge or the removal of the empty cartridge.
  • a plug connection nipple arranged on the head piece projects into the cartridge receiving space, through which the inside of the cartridge is connected to the air pressure. This results in a balanced distribution of the overpressure air cushion, one part causing the liquid to be lifted or brought in and the other part ensuring surprisingly good atomization.
  • the plug-in connection nipple has a liquid lock.
  • liquid itself is thus prevented from unintentionally escaping into the surrounding overpressure cushion, whereas the air itself reaches the interior of the cartridge via the plug-in connection nipple.
  • a liquid barrier is achieved with simple means in that the liquid barrier is formed by an annular membrane of the plug-in connection nipple, which rests with its lip edge sealingly on the jacket wall of a riser pipe conducting the liquid into the head piece.
  • the corresponding lip rim in combination with enough flexible material of such a plug-in nipple looks extremely sensitive; separate formations of such a membrane are therefore not required.
  • the air pump handle is designed as a rotating sleeve which guides itself on the housing of the liquid spraying device and is connected to an air pump piston which runs in a cylinder chamber located in the housing.
  • the outer shape of the housing is advantageously used here as a guide means for the rotating sleeve and the inner area for the assignment and design of the cylinder chamber.
  • an advantageous embodiment is achieved by controlling the linkage of the piston / air pump handle functional unit. It is also proposed that the cylinder chamber of a retraction of the housing is formed and the means of the link control are accommodated in the remaining storage room.
  • the grooves are assigned essentially axial insertion shafts, which in the assembled state are blocked by a steeply sloping back comb of the one link part. This leads to a correct allocation of the means bringing the superimposing axial / rotary stroke of the piston.
  • an advantageous embodiment is achieved by a flatter course of the rising grooves in the final phase of the pumping movement, which also form support pockets for the guide pins in both ends.
  • the support pockets define the end positions, so that an angle of inclination for the grooves is applicable, which is far outside the self-locking.
  • the finite limitation of the grooves lies on a working stroke of approx.
  • the invention proposes that the air pump piston carries a piston sleeve with an end annular space.
  • Such an annular space expediently lies in the edge area of the sleeve, thus leading on the one hand to the highly elastic or flexible sleeve lip typical of the sleeve and on the other hand to a stable transition to the remaining central area of the sleeve designed as a pot or plate.
  • the piston sleeve assumes an additional function insofar as it also forms the valve flap of an inlet valve of the cylinder chamber and a cap screwed to the air pump handle is clipped onto the pot-shaped end drawn in on the housing side. In this way, the piston continues as the inner leg of a rotationally symmetrical U-profile of the handle, which surrounds the lower end of the housing.
  • the plug connection nipple of a perforated holding plate is formed centrally, which is framed between the upper end of the housing and the screw-connected head piece and continues into a counter-nipple plug-connected to the head piece.
  • the counter nipple is used in the head area to form a rotationally symmetrical Y-channel, the Y-web of which leads to the dispensing valve and the outer Y-leg connects via a transverse channel to a headpiece chamber which is located above the cartridge - Recording room extends.
  • the centering effect of the plug connection nipple leaves a uniform annular space between the jacket wall of the cartridge and the inner wall of the housing.
  • the outlet valve can be actuated by a spray head pushbutton which is spring-loaded in the direction of the closed basic position.
  • there is still a favorable embodiment through an end annular space of the piston sleeve as a pump limiter.
  • the dispenser Sp containing the liquid spray device according to the invention is designed as an elongated, essentially cylindrical free-standing device, consisting of a housing 1, a removable head piece 2 and a handle 3. The latter serves to actuate an air pump P.
  • the air pump handle 3 sits at the end of the housing 1 opposite the head piece 2.
  • the air pump P While the handle 3 rotates back and forth, the air pump P generates an overpressure cushion in the interior of the dispenser. This actuates an outlet valve 4 on the head piece side of the outlet of a liquid 5 contained in the dispenser by this overpressure air cushion both loading the mirror 6 of the liquid 5 and atomizing it by mixing with the liquid jet.
  • the liquid jet emerges from a so-called nozzle 7 of a corresponding spray device 8.
  • the added air component leads to a dimensionally stable, so-called "dry" spray jet.
  • the overpressure cushion building up in the dispenser Sp is generated in a cylinder chamber 9 of the air pump P. From there the compressed air arrives in a pressure pre-chamber 10. From here the distribution takes place in the section of the housing 1 which holds the liquid 5 containing cartridge K is used. It is interchangeably assigned to the donor Sp. It has a diameter such that the cartridge-receiving space 11 leaves an evading annular gap 12 on the jacket wall side, so that compressed air connection is provided up to the head piece 2, that is to say to the spray device 8.
  • the cartridge K is designed in the form of a bottle and consequently merges into a neck 14 at its end facing away from the edge-reinforced base 13.
  • the neck 14 arises from the axially approximately drawn-in cover 15 of the cartridge K and has a cylindrical mouth 16.
  • the free space of the housing 1 around the neck 14 and also axially above it ends with a holding plate 17. It is perforated. These are openings 18, one of which can be seen in FIG. 1. Via the latter (18), the compressed air gains connection to the dome-shaped interior of the head piece 2, more precisely that Head chamber 2 '. From here, the branching or division takes place in the sense explained above.
  • connection on the cartridge side is formed by a plug-in connection nipple 19 starting from the holding plate 17 and indirectly connected to the head piece 2. It overlaps into the cylindrical mouth 16 of the neck 14. So there is a kind of pipe coupling.
  • the lower outer edge of the plug connection nipple 19 has a sealing bead 20. Via the plug connection nipple 19, the interior 21 of the cartridge K is connected to the excess air pressure.
  • the liquid 5 is prevented from escaping through the mouth 16 of the neck 14 into the cartridge receiving space 11, for example in cases in which the dispenser Sp is used for spraying in an upside-down position.
  • the plug-in connection nipple 19 has a liquid barrier that only allows the passage of air.
  • it is a relatively thin-walled ring membrane 22. The latter, with its lip edge, which may be tapering, lies sealingly and only yields to the air pressure on the jacket wall of a riser pipe 23 which conducts the liquid 5 into the head piece 2.
  • the riser pipe 23 starts from the removable head piece 2. It extends in the longitudinal central axis x-x of the dispenser Sp and extends to the bottom 13 of the cartridge K, but leaving a small distance from it (13), so that the liquid can enter the lower end of the riser pipe 23 unhindered.
  • the other, upper end of the riser pipe 23 is on a central, downward, into the mouth 14 protruding nozzle 24, which is coaxial to a spring chamber 25 arranged above it, the wall forming an upwardly open pot continues over a pot edge into a bush part 26 open in the opposite direction, which, concentrically and at a distance from the spring chamber 25, extends one of the Top of the holding plate 17 receives outgoing nipples.
  • the latter leaves between its jacket wall and the inner wall of the bushing part 26 an annular channel 28 which is connected to the overpressure air cushion via one or more openings 29.
  • the edge serving as a cross connection between the wall of the spring chamber 25 and the bush part 26 has openings 30. This also clears the way to the closing outlet valve 4 (cf. FIG. 9).
  • the outlet valve 4 consisting of a horizontally embedded annular disk 31 made of elastic material rests on annular walls 32 and 33 arranged concentrically to the longitudinal central axis xx.
  • the inner annular wall 33 forming the spring chamber 25 has transverse channels 34. The latter form the connection between the spring chamber and a circumferential cavity 35 below the washer 31 ago.
  • a further component of the outlet valve 4 is a central stem 36.
  • This has an annular groove 37 at the level of the annular disc 31.
  • At the bottom of the annular groove there is at least one branch duct 38. The latter connects the liquid and air-penetrated annular space section of the spring chamber 25 to a central outlet duct 39 which is connected directly to the transversely outgoing nozzle 7.
  • the lower end of the mentioned shaft 36 extends into the spring chamber 25 and supports the upper end turn of the compression spring 40 loading the outlet valve in the direction of the closed position.
  • the other end turn rests on an annular shoulder between the connecting piece 24 and the wall circumscribing the annular chamber 25.
  • the outlet valve 4 is actuated via a free-standing spray head pushbutton 41 of the head piece 2 which is spring-loaded in the direction of the closed basic position.
  • the upper-side boundary system for the annular disk 31 forms a hat-shaped plug-in part 42, which is held in an annular groove of a cylindrical recess 43 of the head piece 2 and guides the shaft 36 above the annular disk 31.
  • the holding plate 17 which brings the plug connection via plug connection nipple 19 to the cartridge K is framed peripherally between the upper end edge 1 'of the housing 1 and the head piece 2 connected to it by screws.
  • a centering projection 44 which, despite the elasticity of the material used, since this must also form the membrane 22, gives the edge section and the entire component a high degree of internal stability.
  • a bell-shaped edge 45 with a corresponding internal thread is formed on the rotationally symmetrical head piece 2, which engages in the corresponding external thread of the housing 1.
  • the described channel situation in the dispenser head leads to the counter nipple 27 in the head piece 2 being used to form a rotationally symmetrical Y channel, the Y web a of which points to the outlet valve 4, the outer Y leg b via the opening 30 to the head piece.
  • the air pump handle 3 is designed as a rotating sleeve which is guided on the housing 1 of the liquid spraying device and which is connected to an air pump piston 46.
  • the lower section of the housing 1 merges into a recess 47 which is clearly recognizable from the drawing.
  • the offset space 48 remaining through the indentation 47 accommodates the means of a link control that displaces the piston 46.
  • the offset space 48 means the space which extends between the cylindrical jacket wall of the recess 47 and the likewise cylindrical inner wall of the handle 3 guided on the housing 1. The slim shape of the dispenser is retained.
  • the link control is formed by two helically rising, raidal inward directed open grooves 49. These are located on the inside of the air pump handle 3. They are assigned in a non-overlapping manner and each work with a fixed, radially outwardly directed guide pin 50 of the housing 1 respectively his confiscation 47 together.
  • each of the two guide pins 50 arranged in a diametrically opposed position each carry a roller 51.
  • the latter can be attached loosely be, since the axially extending inner wall of the handle 3 has a locking effect.
  • the same essentially axially aligned insertion shafts 52 are assigned, which in the assembled state, as can be seen from the development in FIG. 7, can be closed with a steeply falling back comb 53.
  • the curve of the two grooves 49 is chosen so that d.
  • H. the compression the flatter rising section comes to control.
  • Support pockets 54 left in the ends of the grooves 49 result in a certain locking or locking effect, so that self-adjustment of the handle 3, for example due to accidental touches etc. in the utensil pocket, is counteracted.
  • a pump valve 56 is located on the cartridge side. It consists of a cut-out valve flap which is in a socket is let in and covers the centrally located valve opening 57 in the transverse wall 55 from above.
  • the shoulder Sch adjoining the pressure pre-chamber 10 has support ribs 59 formed on the top side, so that between the surface-stable bottom 13 of the cartridge K and the offset housing inner profile passages 60 remain. As a result, the upper edges of the support ribs 59 form the actual annular cartridge shelf in the housing 1.
  • the piston 46 of the air pump P carries a piston sleeve 61. It is a hat-shaped body made of elastic material such as rubber or the like. In this respect, it is also suitable for performing a double function which consists in the piston sleeve 61 simultaneously forming the valve flap 62 of an inlet valve 63 of the pump P seated on the piston 46.
  • the piston sleeve 61 is clipped onto the end of a cap 64 which is screwed to the air pump handle 3 and is also cup-shaped and drawn in on the housing side.
  • the fastening-side end of the piston 46 forms a corresponding mushroom head which is gripped behind by an edge bead 61 'on the inner edge of the cup-shaped sleeve.
  • valve flap 62 The zone forming the actual valve flap 62 and also the further horizontal environment lie flat on the flat underside of the pot base or, better said, the top 65 of the pot-like retraction. In the center of this blanket, which is denoted by 65, there is also a valve opening 66. In the pushed-in end position of the piston 46, the flat top of the sleeve lies flush with the underside of the transverse wall 55, leaving the light gap shown in FIG. 1.
  • a further embodiment of the piston sleeve consists in creating an annular space 67 on the end face.
  • the latter has a V-shaped cross section, but can also be a trapezoidal cross section.
  • the V-opening points in the direction of the flat transverse wall 55.
  • the purpose of the peripheral notch is on the one hand to create the cuff-like piston lip, which is undercut, and on the other hand also the creation of a pump limiter. If the pressure in the cartridge receiving space is identical to the pressure in the annular space 67 of the piston 46, further inflation of the cartridge receiving space 11 is no longer possible. In the end of pressure position, the pump piston closes off the overflow opening to the cartridge receiving chamber 11 and leaves a compression clearance in this position.
  • the housing 1 In order to create or renew or supplement the overpressure cushion required for dispensing the liquid 5, the housing 1 is gripped with one hand; with the other hand, the operator performs reciprocating rotary movements on the handle 3.
  • the gate control leads to a superimposed rotary and axial stroke movement of the piston 46.
  • the overpressure thus generated is distributed starting from the pressure pre-chamber 10 such that the liquid 5 in the cartridge K is under pressure and compressed air is also present in front of the outlet valve 4. If this is brought into the open position according to FIG. 9, then both components, air plus liquid, enter the outlet channel 39 via the branch channel 38, passing the nozzle 7 with further mixing and forming the desired dimensionally stable jet.
  • the compressed air passes through the ring membrane 22, which acts like a lock, but which in turn does not allow any liquid to get into the remaining head chamber 2 'when the dispenser is in a tilted position.
  • the overpressure rises the elastic counter nipple 27 from the corresponding inner wall of the socket part 26.
  • the spray jet can be interrupted as soon as the spray device 8 or the spray head pushbutton 41 is released, which, due to the restoring force of the spring 40, returns to its closed starting position.
  • the scenery parts circumscribing the groove can be created as individual pieces or at least one of the two parts of the handle 3 can be molded in the same way. In the exemplary embodiment, this is the upper part I.
  • the lower part II is therefore fastened in the classic manner. All individual parts can be injection molded from plastic; only the compression spring 40 is made of stainless steel.
  • the container section of the cartridge K can be designed as a sack, but the cover 15, also having the neck shape described, is designed as a hard part which is connected to the edge of the sack.
  • the bag bottom is also stiffened so that the passages 60 do not become clogged.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP90122820A 1990-02-15 1990-11-29 Pulvérisateur de liquides Expired - Lifetime EP0442058B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4004653 1990-02-15
DE4004653A DE4004653A1 (de) 1990-02-15 1990-02-15 Fluessigkeitsspruehvorrichtung

Publications (3)

Publication Number Publication Date
EP0442058A2 true EP0442058A2 (fr) 1991-08-21
EP0442058A3 EP0442058A3 (en) 1992-02-19
EP0442058B1 EP0442058B1 (fr) 1995-01-11

Family

ID=6400188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122820A Expired - Lifetime EP0442058B1 (fr) 1990-02-15 1990-11-29 Pulvérisateur de liquides

Country Status (7)

Country Link
US (1) US5405060A (fr)
EP (1) EP0442058B1 (fr)
AT (1) ATE116872T1 (fr)
DE (2) DE4004653A1 (fr)
DK (1) DK0442058T3 (fr)
ES (1) ES2066942T3 (fr)
GR (1) GR3015745T3 (fr)

Cited By (4)

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US5411183A (en) * 1992-12-17 1995-05-02 Wella Aktiengesellschaft Liquid spray or foam dispensing apparatus
CN103826515A (zh) * 2011-09-17 2014-05-28 亨利佩特里管理有限责任公司 皂泵
CN106622750A (zh) * 2007-02-06 2017-05-10 替代包装解决方案公司 单圈旋转致动的持续喷雾泵机构
WO2018077320A1 (fr) * 2016-10-26 2018-05-03 Wik Elektrogeräte Entwicklungs- Und Service-Gmbh & Co. Kg Appareil de mise en forme des cheveux pour appliquer un additif au moyen d'air comprimé

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GB2493352A (en) * 2011-08-01 2013-02-06 Owen Brown A sprayer comprising a detachable product module and an air pressurisation apparatus.
US9415401B2 (en) 2012-04-04 2016-08-16 Alternative Packaging Solutions Llc One turn actuated duration spray pump mechanism
US8908896B2 (en) * 2012-06-29 2014-12-09 Intel Corporation Earpiece for an electronic device
EP2909109B1 (fr) * 2012-10-19 2025-11-26 Rust-Oleum Corporation Système d'aérosol sans propulseur
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EP4263066A1 (fr) 2020-12-15 2023-10-25 Unilever IP Holdings B.V. Distributeur de pulvérisation
EP4263065B1 (fr) 2020-12-15 2024-07-17 Unilever IP Holdings B.V. Pulvérisateur
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411183A (en) * 1992-12-17 1995-05-02 Wella Aktiengesellschaft Liquid spray or foam dispensing apparatus
CN106622750A (zh) * 2007-02-06 2017-05-10 替代包装解决方案公司 单圈旋转致动的持续喷雾泵机构
CN106622750B (zh) * 2007-02-06 2020-01-17 替代包装解决方案公司 单圈旋转致动的持续喷雾泵机构
CN103826515A (zh) * 2011-09-17 2014-05-28 亨利佩特里管理有限责任公司 皂泵
US10758094B2 (en) 2011-09-17 2020-09-01 Henri Peteri Beheer B.V. Soap pump
WO2018077320A1 (fr) * 2016-10-26 2018-05-03 Wik Elektrogeräte Entwicklungs- Und Service-Gmbh & Co. Kg Appareil de mise en forme des cheveux pour appliquer un additif au moyen d'air comprimé

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GR3015745T3 (en) 1995-07-31
DE4004653A1 (de) 1991-08-22
EP0442058A3 (en) 1992-02-19
DK0442058T3 (da) 1995-06-26
ES2066942T3 (es) 1995-03-16
DE59008258D1 (de) 1995-03-02
US5405060A (en) 1995-04-11
ATE116872T1 (de) 1995-01-15
EP0442058B1 (fr) 1995-01-11

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