EP0510469B1 - Vorrichtung zum Versprühen oder Zerstäuben einer Flüssigkeit - Google Patents

Vorrichtung zum Versprühen oder Zerstäuben einer Flüssigkeit Download PDF

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Publication number
EP0510469B1
EP0510469B1 EP92106325A EP92106325A EP0510469B1 EP 0510469 B1 EP0510469 B1 EP 0510469B1 EP 92106325 A EP92106325 A EP 92106325A EP 92106325 A EP92106325 A EP 92106325A EP 0510469 B1 EP0510469 B1 EP 0510469B1
Authority
EP
European Patent Office
Prior art keywords
container
cap
insert
liquid
container neck
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.)
Expired - Lifetime
Application number
EP92106325A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0510469A1 (de
Inventor
Viktor Tobler
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.)
Supermatic Kunststoff AG
Original Assignee
Supermatic Kunststoff AG
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 Supermatic Kunststoff AG filed Critical Supermatic Kunststoff AG
Publication of EP0510469A1 publication Critical patent/EP0510469A1/de
Application granted granted Critical
Publication of EP0510469B1 publication Critical patent/EP0510469B1/de
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
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/042—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube
    • B05B11/043—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube designed for spraying a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0029—Valves not 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
    • 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
    • B05B7/0025—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 with a compressed gas supply
    • B05B7/0031—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 with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3442—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cone having the same axis as the outlet

Definitions

  • the invention relates to a device for spraying or atomizing a liquid contained in a container that can be emptied by means of pressure, with a container closure part in which supply cavities for the liquid supplied via a riser pipe extending into the container interior from the closure part and for the liquid above the liquid in the Air present in the container is formed, which leads to a mixture nozzle for the liquid-air mixture formed on the container closure part.
  • French patent application FR-A-2 353 458 describes a compressible container with an insert having inlet cavities and a riser pipe. A normal screw cap is provided to close this container. The combination of a container closure part with an insert of the type mentioned containing a mixture nozzle is therefore not given here.
  • a spray device of the type mentioned which can be placed on a compressible container is known from EP-A-217744, in which a liquid nozzle protrudes into a mixture nozzle arranged coaxially in front of it, so that an annular space around the liquid nozzle is open to the mixture nozzle for air to the front.
  • This configuration of the feed cavities in this device is intended to ensure that a substantial part of the kinetic energy contained in the faster air flow is transferred to the liquid.
  • the one from the back Liquid emerging from the liquid nozzle is entrained, as it were, on the principle of a jet pump, by the much faster air flow, with a twenty times higher exit speed at the mixture nozzle than the exit speed at the liquid nozzle.
  • the present invention was therefore based on the object of providing a device for spraying or atomizing a liquid contained in a compressible container, which device can also be used overhead and which can be inexpensively produced from parts known in plastics technology for containers.
  • the device has the features of claim 1.
  • a preferred embodiment has the features of the dependent claims.
  • the device has the advantage that it can be used to spray a liquid from outside in any position and in particular overhead, for example if one cannot get to the place of use otherwise. In this working position, the device must not drip, which would be the case with other known devices of this type, because in these the cross sections of the conveying paths for air and for liquid for are designed for normal use with the container upright. However, if the liquid no longer reaches the nozzle through the normal riser pipe during overhead operation, but the entire liquid contained in the container is at the existing pressure above the passage to the nozzle which is otherwise used for air delivery, special precautions are required to reduce the pressure.
  • the device has a container 1 made of resilient and compressible material, of which only the upper part is shown in FIGS. 1 and 4.
  • a cap 5 provided with an internal thread 4 is screwed onto the container neck 2 with an external thread 3 and can be adjusted by screwing from a closed position according to FIG. 1 to an open position according to FIG. 4.
  • An insert 6 is fitted in the container neck 2 and rests with an upper flange edge 7 on the upper container neck edge.
  • the insert which is sealed on the outer circumference and is arranged in the container neck 2, has a central through-bore 8, into which the riser pipe 9 extends from below. Furthermore, the insert 6 has two mutually concentric ring walls 10 and 11, of which the inner one simultaneously delimits the central bore 8.
  • the columns 12 lead from the outside into the space between the ring walls 10 and 11.
  • the columns 12 allow one Pressure regulation.
  • the cap 5 has on the inside a plurality of mutually concentric ring walls 14, 15, 16 and 17, which are arranged radially offset with respect to the ring walls 10 and 11 formed on the insert 6 in such a way that the ring walls of the cap and the ring walls of the insert telescope into one another .
  • the annular space 13 for the air is therefore closed by the annular wall 15 immersed in this space.
  • the ring walls 14 and 15 of the cap 5 define between them an annular space 18, which in the open state, when the cap 5 is screwed up according to FIG. 4, is connected to the central bore 8, into which the riser pipe 9 extends, so that when the container 1 is handled upright for spraying, the liquid enters the annular space 18 of the cap 5.
  • the ring walls 15 and 16 of the cap 5 delimit the annular space 19 between them, into which the ring wall 11 of the insert 6 extends.
  • 4 shows that, when the device is open, the aforementioned annular space 13 is in use connected to the annular space 19 in the cap, these annular spaces also communicating only in a throttled manner in the open position, because they still have something in the open position has in the annular space 13 immersed ring wall 15 of the cap on the outside in the axial direction over an end portion throttle slots 20, four of which according to FIG Are arranged circumferentially distributed.
  • throttling slots 20 always allow enough pressurized air to pass through when the container is upright, which is required for spraying at the nozzle, but they serve as a throttle or baffle for the case when the container has to be held overhead for spraying Liquid flowing from the container 1 directly through the annular space 13 into the annular space 19 of the cap.
  • a larger liquid pressure corresponding to the much larger cross-sectional area of the container acts, which is reduced by the throttle slots 20 and the columns 12 at the bottom in order to achieve a correct pressure ratio suitable for spraying again .
  • the continuation of the supply cavities from the separate annular spaces 18 and 19 in the cap 5 are separate channels 22, 23, 24 and 25 within the cap extending transversely to the container axis within an extension 26 formed laterally on the cap 5, through which the four separated Lead channels through to a mixture nozzle 27 arranged at the end of the extension.
  • the extension 26 which is designed as a hollow body and on the outside essentially has a rectangular cross section, has the annular inner wall 28 with a central blind bore 29, and between this inner wall 28 and the outer wall of the extension 26 are in the existing spaces on opposite sides of two fillers 30 and 31 are used.
  • Each of these, along with the Inner wall 28 and the extension outer wall 26 two channels 22 and 23 or 24 and 25, of which the channels 22 and 23 are connected to the annular space 18 and the channels 24 and 25 to the annular space 19 in the cap. All four channels narrow somewhat towards the front end and are connected to slots 32 opening at the front end of the inner wall 28 at right angles to the channels and tangentially into the cavity of the mixture nozzle 27.
  • the four channels 22 to 25 and the slots 32 including the mixture nozzle 27 can be designed differently in the clear cross-section, which depends on the content present in the container.
  • the tangential entry creates a swirl and creates a good mixture of air and liquid.
  • the mixture nozzle 27 is preferably formed in one piece with the two filling bodies 30 and 31 and forms the web between two legs in the form of the filling bodies.
  • the slots 32 are formed on the underside in the mixture nozzle 27, as can be seen from FIGS. 9 and 10.
  • the blind bore 29, which is present for manufacturing reasons, contains an air cushion located behind the mixture nozzle 27, which has proven to be very advantageous for the uniformity of the spray discharge.
  • the extension 26 formed on the cap 5 with the mixture nozzle 27 can also be directed upwards in the axial direction.
  • FIG. 11 Another embodiment according to FIG. 11 also has a container 1 with a cap 5 screwed onto its container neck 2.
  • a container neck 2 As in the embodiment according to FIGS. 1 and 4, an insert 6 is arranged, which cooperates with the cap 5 in the same way as in the previously described exemplary embodiment, in order to form the insert 6 and the cap 5 Open and close flow paths for the medium to be discharged and for air.
  • the insert 6 therefore still has through openings 50 in its bottom surface, and the cap 5 has a through opening 51 below the extension 26 provided with the mixing nozzle. Through these two through openings 50 and 51, return air can enter the container 1 when the cap 5 is open. However, this return air path must be closed when the container 1 is compressed to discharge the liquid or foam contained in the container.
  • the through openings 50 in the insert 6 can therefore be closed by a membrane-like valve 52 if no return air is sucked into the container.
  • the foam would flow through the flow path inside the cap and into the insert Container sucked back, which would reduce the volume of air inside the container.
  • the larger flow path in the embodiment according to FIG. 11 not only prevents this, but also allows faster pumping because of the faster amount of air again available in the container. Even with a relatively small nozzle cross section of the mixture nozzle 27 through openings 50 and 51 for the Return air is provided to achieve the aforementioned advantages.
  • the inside of the container neck 2 which is otherwise cylindrical, has a radially inwardly projecting bead 40 and the outside of the insert 6 has a groove 41 which cooperates with the bead 40 and into which the bead 40 engages, so that this groove 40 Bead connection 40, 41 forms a lock against pulling out of the insert 6 in the axial direction.
  • this lock acts only to a limited extent and, depending on the dimensioning of the bead 40, can be overcome if the insert 6 is intended for a container 1 which is to be refillable, for which purpose the insert 6 must be removed from the container neck 2.
  • the lock cannot be overcome if a bead 40 with a larger dimension in the radial dimension is provided in a container which is not intended to be refillable.
  • the difference in the dimensioning of the bead 40 is not very great; For example, in the case of a refillable container, the bulge 40 projects inwards 0.2 mm beyond the cylindrical inside of the container neck, and in the case of a non-refillable container it projects 0.4 mm beyond this inside.
  • the bead 40 has an optionally differently sized diameter for two different types of containers 1, which one is refillable and the other is not refillable.
  • a cam 43 which is formed radially inwards in the direction of the container neck 2 is arranged on the inside of the screwable cap 5.
  • This so-called refill cam 43 engages behind the projecting end flange 7 of the insert 6, so that when the cap 5 is screwed in the opening direction, the insert 6 is carried along in the axial direction, the lock consisting of the bead 40 and the groove 41 being overcome because that plastic material used for all parts can yield resiliently, but this lock can only be overcome with the smaller-sized bead 40.
  • the cam 43 on the cap 5 is designed in such a way that it tears off when a larger-sized bead 40 is present, so that the barrier formed by the bead 40 and the groove 41 cannot be overcome and the insert 6 thus remains in the container neck 2.
  • the container can therefore not be refilled and, as the manufacturer intended, has become unusable.
  • the cap of a container that is not intended to be refillable does not have a cam on the inside. All containers have a groove-bead connection 40, 41 of the same dimensions, i.e. with no difference in the radial dimension of groove 41 and bead 40 and only for re-use containers, a cap 5 with a cam 43 for pulling the insert 6 out of the container neck 2.

Landscapes

  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Road Signs Or Road Markings (AREA)
EP92106325A 1991-04-23 1992-04-13 Vorrichtung zum Versprühen oder Zerstäuben einer Flüssigkeit Expired - Lifetime EP0510469B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1214/91 1991-04-23
CH1214/91A CH680582A5 (pl) 1991-04-23 1991-04-23

Publications (2)

Publication Number Publication Date
EP0510469A1 EP0510469A1 (de) 1992-10-28
EP0510469B1 true EP0510469B1 (de) 1995-06-28

Family

ID=4205170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106325A Expired - Lifetime EP0510469B1 (de) 1991-04-23 1992-04-13 Vorrichtung zum Versprühen oder Zerstäuben einer Flüssigkeit

Country Status (6)

Country Link
US (1) US5275338A (pl)
EP (1) EP0510469B1 (pl)
JP (1) JP2547363B2 (pl)
AT (1) ATE124298T1 (pl)
CH (1) CH680582A5 (pl)
DE (1) DE59202655D1 (pl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575407A (en) * 1990-10-25 1996-11-19 Contico International, Inc. Low cost trigger sprayer having container with integral saddle
US5540389A (en) * 1994-08-24 1996-07-30 Aptar Group, Inc. Terminal orifice system
EP0706830B1 (en) * 1994-09-16 1997-08-20 Guala Dispensing S.P.A. A manually operable atomising spray device for liquids which uses air as the atomiser fluid
US5746356A (en) * 1996-12-02 1998-05-05 Courtaulds Packaging Inc. Rotatable spout dispensing tube
US6062441A (en) * 1999-07-15 2000-05-16 Rxi Plastics, Inc. Two-piece dispensing closure
US6402054B1 (en) * 2001-02-09 2002-06-11 Saint-Gobain Calmar Inc. Airless squeeze bottle aspirator
US6938805B2 (en) * 2001-03-14 2005-09-06 Kenneth Brincat Refillable bottle and system of reuse
US6536685B2 (en) * 2001-03-16 2003-03-25 Unilever Home And Personal Care Usa, Division Of Conopco, Inc. Foamer
CA2515841C (en) 2003-02-13 2010-06-01 Banyu Pharmaceutical Co., Ltd. Novel 2-pyridine carboxamide derivatives
JP2008275196A (ja) * 2007-04-25 2008-11-13 Fuji Heavy Ind Ltd 空気砲
US7891583B2 (en) * 2008-10-30 2011-02-22 Gojo Industries, Inc. Dome pump spray assembly
TWI559884B (en) * 2010-05-31 2016-12-01 Kao Corp Foam ejecting container
US9120108B2 (en) * 2012-07-03 2015-09-01 The Procter & Gamble Company Foam generating dispenser
NL2009219C2 (en) * 2012-07-23 2014-01-27 Rexam Airspray Nv Squeeze foamer.
KR101496102B1 (ko) * 2014-10-22 2015-03-02 주정우 액체 용기용 마개
EP3711801B1 (de) * 2016-07-27 2022-07-06 Aptar Radolfzell GmbH Flüssigkeitsspender, insbesondere inhalator
JP7222485B2 (ja) * 2018-02-19 2023-02-15 アース製薬株式会社 エアゾール定量噴射バルブ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980342A (en) * 1957-09-05 1961-04-18 Plax Corp Liquid spray dispenser
US3794247A (en) * 1972-11-22 1974-02-26 Corsette Douglas Frank Spray fitment for squeeze bottles
US3963150A (en) * 1974-05-21 1976-06-15 Vca Corporation Puff-discharge squeeze bottle
US4122979A (en) * 1976-06-01 1978-10-31 Laauwe Robert H Squeeze bottle containing a liquid product and operative whether upright or inverted
US4157789A (en) * 1977-11-10 1979-06-12 Laauwe Robert H Right-angle spray nozzle
US4162749A (en) * 1978-02-27 1979-07-31 Risdon Manufacturing Company Squeezable dispenser with outlet closure
DE8223836U1 (de) * 1982-08-24 1982-11-25 Wella Ag, 6100 Darmstadt Handgeraet zum verspruehen oder verschaeumen von fluessigkeiten
DE8621135U1 (de) * 1985-09-02 1987-01-29 Callahan, George Edgar, Prof., 40479 Düsseldorf Sprühvorrichtung zum Aufsetzen auf einen zusammenpressbaren Behälter
CH676456A5 (pl) * 1988-04-05 1991-01-31 Supermatic Kunststoff Ag
DE59100542D1 (de) * 1990-03-24 1993-12-09 Callahan George Edgar Spender zum Verschäumen eines flüssigen Füllguts.

Also Published As

Publication number Publication date
JPH05213382A (ja) 1993-08-24
CH680582A5 (pl) 1992-09-30
ATE124298T1 (de) 1995-07-15
DE59202655D1 (de) 1995-08-03
EP0510469A1 (de) 1992-10-28
JP2547363B2 (ja) 1996-10-23
US5275338A (en) 1994-01-04

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