EP1851136B1 - Tête de pulvérisation et pulvérisateur muni d'une telle tête - Google Patents

Tête de pulvérisation et pulvérisateur muni d'une telle tête Download PDF

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Publication number
EP1851136B1
EP1851136B1 EP03782207A EP03782207A EP1851136B1 EP 1851136 B1 EP1851136 B1 EP 1851136B1 EP 03782207 A EP03782207 A EP 03782207A EP 03782207 A EP03782207 A EP 03782207A EP 1851136 B1 EP1851136 B1 EP 1851136B1
Authority
EP
European Patent Office
Prior art keywords
spray head
sprayed
axial bore
spray
outlet
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.)
Revoked
Application number
EP03782207A
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German (de)
English (en)
Other versions
EP1851136A1 (fr
Inventor
Peter Kwasny
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.)
Peter Kwasny GmbH
Original Assignee
Peter Kwasny GmbH
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
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Application filed by Peter Kwasny GmbH filed Critical Peter Kwasny GmbH
Publication of EP1851136A1 publication Critical patent/EP1851136A1/fr
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Anticipated expiration legal-status Critical
Revoked 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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3013—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices

Definitions

  • the invention relates to a spray can, consisting of a can body containing a propellant and a substance to be sprayed, a valve through which is driven when actuated by the substance to be sprayed, and a spray head, the application of the substance to be sprayed in the environment Operation of the valve is used, wherein the spray head has an axial bore through which the substance to be sprayed is guided into the spray head.
  • the invention relates to a spray head for use as part of the spray can according to the invention.
  • Spray cans as from the US 3 407 977 known, have found in many applications for many years, a wider spread.
  • paints are also often sold in paint spray cans, which are particularly popular in the do-it-yourself sector, since paint spray cans a comparatively simple and inexpensive method for paint application in comparison to much more expensive compressed air, airless or other paint spraying equipment represent.
  • paint spray cans have the disadvantage that the application rate of the paint can not be chosen freely by the user.
  • Conventional spray cans have an application rate of about 10 g within 10 seconds, from the EP 0 925 236 B1
  • spray cans are also known with an application rate of up to 35 g / 10 s.
  • a spray can which consists of a can body, which contains a propellant and a substance to be sprayed, a valve through which upon actuation of the substance to be sprayed, and a Sprühkopt according to claim 1, for the application of the sprayed Substance into the environment by actuation of the valve, wherein the spray head has an axial bore through which the substance to be sprayed is fed into the spray head, and the spray head has an additional adjustment device for regulating the Ausbringrate.
  • Such a spray can makes it possible to use a conventional can body and a conventional valve and provide only in the spray head a corresponding adjustment. Since the spray head is a particularly small and cost-effective component of the spray can, the spray can according to the invention as a whole is particularly inexpensive to produce. Since the spray head is that part of the spray can which the user actuates to dispense the substance to be sprayed, the handling and regulation of the application rate with the aid of the spray can according to the invention is also particularly suitable for the layman.
  • a known spray head an adjusting device for regulating the discharge rate in the form of an adjustable needle valve.
  • a gap preferably an annular gap provided, into which opens the cone of the needle valve and this closes different degrees depending on the penetration depth.
  • the outlet and the axial bore are connected to each other via the gap, so that results in far unscrewed needle valve, an open connection between the axial bore and outlet.
  • the needle valve has expediently a thread and is adjustable from the outside.
  • the needle valve When the needle valve is widely screwed in, the gap between the outlet and the axial bore is completely or almost completely closed, so that the discharge rate is correspondingly low or even zero, while the gap is correspondingly strongly opened when the needle valve is screwed out far enough to ensure a high discharge rate.
  • the needle valve on its outer side expediently has a small wheel or other handle. Since the spray head is a very small component, the other dimensions must be equipped accordingly.
  • the diameter of the annular gap, which serves the pre-metering typically in the order of 1.5 mm, while the thread of the needle valve may have a thickness of about 2.3 mm.
  • the tip of the cone of the needle valve may have an angle of approximately 20 °. Depending on the condition of the spray can, d.
  • the height of the pressure exerted by the blowing agent and the other embodiment of the spray head and the valve, the discharge rate can be varied continuously in a range of about 0 to 31 g / 10 s.
  • the data given here are, of course, merely exemplary and in no way constitute a limitation of the invention.
  • the needle valve may be provided both transversely and along the axis of the axial bore in the spray head.
  • the gap is located on the inside of the outlet of the spray head, so that the cone of the needle valve laterally, engages in the gap. In this way, the field of operation of the spray head, to which the user must press to spray from the spray can, not affected by the needle valve, which is why this embodiment is preferred.
  • the needle valve run longitudinally to the axial bore, so that it protrudes with its setting end of the spray actuator.
  • the gap in which the cone of the needle valve engages located at the upper end of the axial bore.
  • the spray head transversely to the axial bore on a related side bore, wherein the outlet of the spray head is located at one end of the lateral bore and engages from the other end of the lateral bore forth a rotatable, cylindrical element in the bore, which the axial bore slightly overlapped.
  • the cylindrical element has a bevel or rounding, z. B. in the form of an asymmetrical cone, which, when the chamfer or rounding is brought by rotation of the cylindrical member over the axial bore, a flow opening from the axial bore in the lateral bore releases.
  • Upon rotation of the cylindrical element enters a non-rounded part on the axial bore, which may optionally cover virtually complete.
  • the chamfer or rounding at one end of the cylindrical element is designed so that the discharge rate can be practically infinitely regulated, the maximum application rate is ensured if the maximum bevel or rounding is above the axial bore, while the minimum discharge rate or full closure is ensured when a non-chamfered or rounded portion of the cylindrical element is brought over the axial bore.
  • the bevel or rounding is designed circumferentially around the cylinder-shaped element such that the extent of the bevel or rounding continuously increases or decreases.
  • the zyl inderförmige element on one side is maximally rounded or beveled and on the opposite side completely straight, so that the adjustment between maximum and minimum opening by rotation by 180 °.
  • One end of the cylindrical member protrudes to one side, typically to the side opposite the outlet, out of the spray head so that the user can grasp that end and twist it according to his or her desire for the discharge rate.
  • this side of the cylindrical en Elements also have a handle.
  • the scale may optionally include specific information about the Ausbringrate.
  • the spray can with a rotatable or displaceable element with one or more openings which are movable in front of or in the outlet of the spray head.
  • the rotatable or displaceable element has a plurality of openings of different cross-section.
  • the discharge rate also differs.
  • the rotatable or displaceable element may be provided with an opening of diameter of 0.3 mm and another opening of diameter 0.5 mm so that the discharge rate increases correspondingly when using the 0.5 mm opening.
  • the openings may also be designed differently in that they are different types of nozzles, for. B. around a round nozzle and a fan nozzle.
  • the openings in the rotatable or displaceable element so that their cross section varies depending on the position before or in the outlet.
  • slot-shaped openings are conceivable in which the slot widens from one end to the other. Now, if the widest point of the slot brought before or in the outlet of the spray head, the discharge rate is maximum.
  • the provision of the rotatable or displaceable element with openings of variable cross section also allows a stepless adjustment of the discharge rate and is therefore particularly advantageous.
  • variable cross-section apertures such that, for example, an opening for discharge rates of 0 to 16 g / 10 s and a second opening of variable cross-section for a discharge rate of 16 to 31 g / 10 s is responsible.
  • inventive spray can in the field of paint spray cans, in which the substance to be sprayed is a paint, a paint preparation or other dye.
  • the special importance in this area results, as already stated, from the fact that especially during painting a uniform and controlled spraying is of particular importance.
  • the invention can be used for all spray cans.
  • the invention also relates to the spray head, as it is usable as part of a spray can of the type described above.
  • FIG. 1 a spray head 1 according to a first embodiment is shown in which a needle valve 5 is used to regulate the discharge rate.
  • the spray head 1 forms the upper end of a spray can (not shown here), wherein the spray head 1 is connected via an axial bore 3 with the valve 4 and the can body.
  • the valve 4 is opened by pressing on the top 2 of the spray head 1, whereupon the propellant conveys the spray material through the valve 4 in the spray head 1.
  • the axial bore 3 is connected via a gap 8, which is annular, with the outlet 9 in connection, so that the sprayed material can flow accordingly.
  • the spray head 1 In order to regulate the discharge rate, the spray head 1 has transversely to the axial bore 3 via a recess 6 for receiving a needle 5, which has a cone 7 at its tip. This cone 7 opens into the gap 8 and closes it more or less completely if necessary.
  • the Needle 5 has a thread and can be more or less screwed by means of the handle 10. In fully screwed state, the gap 8 is largely closed, since the cone 7 is adjacent to the gap 8 and the connection of the outlet 9 and the axial bore 3 interrupts. Now, if the needle 5 further unscrewed from the spray head 1, the gap between the gap 8 and cone 7 of the needle 5 is larger and correspondingly more Sprühgut can escape. With the help of such a needle valve 5, a particularly fine dosage is possible.
  • FIG. 2 is a modification of the in FIG. 1 shown spray head, in which the regulation of the discharge rate via a needle valve 5 is carried out.
  • FIG. 2 is different from this FIG. 1 in that the gap 8 is provided here at the upper end of the axial bore 3 and the cone 7 of the needle 5 opens from above into the gap 8. Again, by screwing the needle 5, the gap 8 is largely closed, so that the Ausbringrate is reduced accordingly, while by unscrewing the needle 5, the Ausbringrate increases due to the increase in the passage between the gap 8 and cone 7.
  • the spray head transverse to the axial bore 3 has a lateral bore 15 which is connected to the axial Bore 3 is in communication.
  • a cylindrical element 16 is recessed from the opposite side of the outlet 9, which covers the axial bore 3.
  • this has an asymmetrical cone 17, which, when it lies over the axial bore 3, a passage opening 18 releases, which establishes the connection between the axial bore 3, lateral bore 15 and outlet 9. In this position can accordingly emerge Sprühgut.
  • the cylindrical element 16 can be rotated in the lateral bore 15 along the arrow 19, wherein after a 180 ° rotation, the non-rounded, inner end of the cylindrical element 16 is located above the axial bore 3 and closes it. In this position, the discharge rate decreases accordingly.
  • the rounding / bevel circumferentially around the cylindrical member 16 is formed so that the bevel / rounding from one side to the opposite side is getting stronger, until finally in the position shown in the drawing, the size of the passage opening 18 is maximum.
  • spray head is located in the outlet region in front of the lateral bore 15, which establishes the connection to the axial bore 3, a rotatable element 25 which has two nozzles 26 and 27.
  • the representation chosen here for the rotatable element 25 of three individual components is chosen only to illustrate the outlet channels; in fact, it is a part, as indicated by the corresponding dashed lines.
  • the rotatable element 25 can be rotated about the axis 29 according to the arrow 28, so that either the nozzle 26 with a small passage opening or the nozzle 27 with a larger Passage opening is brought in front of the lateral bore 15, whereby the discharge rate changed.

Claims (7)

  1. Tête de pulvérisation, utilisable comme partie d'un pulvérisateur, dans laquelle la tête de pulvérisation (1) sert à diffuser dans l'environnement une substance à pulvériser, la tête de pulvérisation (1) présente un perçage axial (3) à travers lequel la substance à pulvériser passe dans la tête de pulvérisation (1), la tête de pulvérisation (1) dispose d'un dispositif de réglage pour réguler le débit de sortie et dans la tête de pulvérisation, transversalement au perçage axial (3), se trouve un perçage latéral (15) communiquant avec celui-ci et comprenant une sortie à une extrémité, caractérisée en ce que, depuis l'autre extrémité du perçage axial (15), un élément rotatif cylindrique (16) s'engage dans le perçage latéral (15), élément qui recouvre légèrement le perçage axial (3) et présente sur au moins un côté un biseau ou arrondi (17) qui, quand le biseau ou arrondi (17) est amené au-dessus du perçage axial (3) par rotation de l'élément cylindrique (16); libère une ouverture de passage (18) menant depuis le perçage axial (3) dans le perçage latéral (15).
  2. Tête de pulvérisation selon la revendication 1, caractérisée en ce que la tête de pulvérisation (1) présente un élément rotatif ou mobile (25) avec une ou plusieurs ouvertures (26, 27), qui peuvent être déplacées devant ou dans la sortie (9).
  3. Tête de pulvérisation selon la revendication 2, caractérisée en ce que l'élément rotatif ou mobile (25) présente plusieurs ouvertures (26, 27) de différentes sections.
  4. Tête de pulvérisation selon la revendication 2 ou 3, caractérisée en ce qu'une ou plusieurs ouvertures (26, 27) sont conformées en buse ronde et/ou en éventail.
  5. Tête de pulvérisation selon l'une des revendications 2 à 4, caractérisée en ce que l'élément rotatif ou mobile (25) présente une ou plusieurs ouvertures (26, 27) dont la section varie selon la position devant ou dans la sortie (9).
  6. Pulvérisateur, constitué d'un corps de pulvérisateur qui contient un agent propulseur ainsi qu'une substance à pulvériser, d'une vanne à travers laquelle la substance à pulvériser est envoyée en cas d'actionnement, et d'une tête de pulvérisation (1) selon l'une des revendications 1 à 5, qui sert à diffuser dans l'environnement la substance à pulvériser par actionnement de la vanne.
  7. Pulvérisateur selon la revendication 6, caractérisé en ce que la substance à pulvériser est un vernis, un apprêt de vernissage ou un autre colorant.
EP03782207A 2003-11-17 2003-11-17 Tête de pulvérisation et pulvérisateur muni d'une telle tête Revoked EP1851136B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2003/012843 WO2005051802A1 (fr) 2003-11-17 2003-11-17 Recipient a pulverisation

Publications (2)

Publication Number Publication Date
EP1851136A1 EP1851136A1 (fr) 2007-11-07
EP1851136B1 true EP1851136B1 (fr) 2009-05-27

Family

ID=34626351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03782207A Revoked EP1851136B1 (fr) 2003-11-17 2003-11-17 Tête de pulvérisation et pulvérisateur muni d'une telle tête

Country Status (9)

Country Link
US (1) US8528837B2 (fr)
EP (1) EP1851136B1 (fr)
AT (1) ATE432234T1 (fr)
AU (1) AU2003289875A1 (fr)
CA (1) CA2546478C (fr)
DE (2) DE50311562D1 (fr)
DK (1) DK1851136T3 (fr)
ES (1) ES2327730T3 (fr)
WO (1) WO2005051802A1 (fr)

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US3407977A (en) * 1966-04-15 1968-10-29 Ruggeri Gianantonio Actuating and delivering cap for dispensers

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US8528837B2 (en) 2013-09-10
CA2546478A1 (fr) 2005-06-09
DE50311562D1 (de) 2009-07-09
DK1851136T3 (da) 2009-09-07
CA2546478C (fr) 2012-03-27
EP1851136A1 (fr) 2007-11-07
WO2005051802A1 (fr) 2005-06-09
DE20321359U1 (de) 2007-01-04
US20070272765A1 (en) 2007-11-29
ES2327730T3 (es) 2009-11-03
ATE432234T1 (de) 2009-06-15
AU2003289875A1 (en) 2005-06-17

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