EP2210673B1 - Appareil de pulvérisation mobile - Google Patents

Appareil de pulvérisation mobile Download PDF

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Publication number
EP2210673B1
EP2210673B1 EP09151158.4A EP09151158A EP2210673B1 EP 2210673 B1 EP2210673 B1 EP 2210673B1 EP 09151158 A EP09151158 A EP 09151158A EP 2210673 B1 EP2210673 B1 EP 2210673B1
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EP
European Patent Office
Prior art keywords
fluid
tank
fluid container
container
mobile
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.)
Active
Application number
EP09151158.4A
Other languages
German (de)
English (en)
Other versions
EP2210673A1 (fr
Inventor
F. Van Asten
H.W. Bin
M.J. Blom
A. Dijkstra
J.J.H. Verweij
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.)
Koninklijke Zeelandia Groep BV
Original Assignee
Koninklijke Zeelandia Groep BV
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Priority to EP09151158.4A priority Critical patent/EP2210673B1/fr
Publication of EP2210673A1 publication Critical patent/EP2210673A1/fr
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Publication of EP2210673B1 publication Critical patent/EP2210673B1/fr
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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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0833—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising a compressed gas container, e.g. a nitrogen cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/007—At least a part of the apparatus, e.g. a container, being provided with means, e.g. wheels, for allowing its displacement relative to the ground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0838—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container

Definitions

  • This invention relates generally to a mobile apparatus for spraying a fluid. More specifically, this invention relates to a mobile apparatus for spraying a release agent used in the baking or allied industries.
  • a release agent is often required in the baking industry to assist with the undamaged removal of a baking product, e.g. bread, cakes etc., from the baking receptacle that has been used in the baking process.
  • the release agent is in the form of an oil or oil-in-water emulsion spray.
  • the release agent and compressed air are mixed together and forced under pressure through the nozzle of a spray gun.
  • a conventional airless system comprises a pressurised barrel or keg containing the release agent.
  • the release agent will be applied to baking receptacles via a dosing spray gun that is interconnected with the barrel or keg.
  • a further disadvantage with prior art systems is that there is always a residue in the barrel or keg that cannot be dispensed. Also, a problem often arises due to compressor air coming into contact with the release agent within the barrel itself; in this case the barrel will need to be returned to the supplier.
  • keg-based systems Another disadvantage with keg-based systems is the weight of the keg itself. Typically, a full keg of liquid release agent will weigh around 45kg. This is delivered to an end-user in a fully laden condition, and must be returned for re-filling after use.
  • EP0370268 discloses an arrangement for coating a release agent to a surface.
  • Mobile fluid spray apparatuses are also known from US3977602 , DE2732049 , NL1028555C or US4358026 .
  • the present invention arose in attempts to address some or all of the aforementioned problems and disadvantages of the prior art. According to the present invention there is provided a mobile fluid spray apparatus and a method of applying a liquid release agent to baking receptacles as defined in the appended claims.
  • a mobile fluid spray apparatus comprising: a wheeled housing; a tank disposed within the housing adapted to receive a pressurised gas; a pressure regulator device connected to an outlet of said tank for regulating the output flow of the pressurised gas; a compartment disposed within the housing for removabley receiving a fluid container, said fluid container being connectable to the tank outlet via the pressure regulator device; and a hand-held spray gun connectable to said fluid container for the controlled release of fluid from the fluid container when said fluid container is connected to said tank outlet.
  • a mobile fluid spray apparatus comprising: a wheeled housing; a tank disposed within the housing adapted to receive a pressurised gas; a pressure regulator device connected to an outlet of said tank for regulating the output flow of the pressurised gas; a removable fluid container connected to the tank outlet via the pressure regulator device; and a hand-held spray gun connected to said fluid container for the controlled release of fluid from the fluid container.
  • the fluid is a liquid release agent of the type used in the baking industry.
  • the pressurised gas is air.
  • the tank is adapted to contain an air pressure of between 5 to 10 bar. More preferably the tank is adapted to contain an air pressure of 8 bar.
  • the tank includes an inlet valve for receiving pressurised air from an external supply.
  • the fluid container comprises an outer body fabricated from polyethylene terephthalate (PET). And the fluid container comprises a flexible inner bladder which expands when filled with the fluid.
  • PET polyethylene terephthalate
  • the outer body is substantially spherical.
  • a mobile fluid spray apparatus 1 comprises a wheeled housing 2.
  • the wheeled housing 2 comprises a lower chamber 3, and upper chamber 4, a tubular frame 5, and wheels 6 fixed to both the lower chamber 3 and the tubular frame 5.
  • the upper chamber 4 and lower chamber 3 are substantially cylindrical in shape, and the upper chamber 4 includes a sealed top plate 7. Although not shown, the upper chamber 4 also includes access means for enabling installation and removal of a fluid container 20.
  • a hose and spray gun sub-assembly 8 (see Figure 3 ) includes a dispensing head 9 which is locked in place on the sealed top plate 7, a spray gun 10 interconnected to the dispensing head via hose 11.
  • Hose 11 is in fluid communication with an inner bladder 21 of the fluid container 20.
  • the sub-assembly 8 also includes hose 12 (shown only partially in Figure 3 ), that interconnects a high-pressure tank 30 with a substantially spherical PET bottle 22 via the tubular frame 5.
  • the high-pressure tank 30 is pre-filled with pressurised air via an inlet valve 31, and the outlet pressure to the spherical PET bottle 22 is controlled by a pressure regulator 32.
  • a pressure gauge 33 allows a user to monitor both the tank pressure and the air pressure reaching the fluid container 20.
  • the high-pressure tank is filled with pressurised air to substantially 8 bar.
  • the inner bladder 21 is expanded to leave a small air gap 23 between it and the spherical PET bottle 22.
  • Relatively low pressure air (3.8 bar) is released into the gap 23 via pressure regulator 32, tubular frame 5, and hose 12.
  • pressure regulator 32 the pressure on the inner bladder 21 forces the liquid baking release agent through an outlet 24, along the hose 11 and out of the nozzle 13 in the form of a spray.
  • the fineness of this spray can be adjusted via the nozzle 13.
  • the capacity of the tank 30 and the fact that it is pre-filled with high-pressure air allows for much longer spraying time (typically 1hr) before there is a significant pressure drop. Furthermore, because no air compressor is used during spraying operations there are no umbilical attachments to the apparatus, nor is there any likelihood that compressor air will come into contact with the liquid release agent.
  • Another advantage of the present invention is that since the bladder is flexible and can be 'squeezed', the entire product contained therein is dispensed, and there is no waste residue.
  • the apparatus of the present invention does not require a fixed-point compressed air supply, and since it also does not need to be connected to an electricity mains supply, it is totally mobile and is free to be positioned in any desired position about the bakery or working environment.
  • the delivery weight of a full fluid container according to the present invention is typically 20kg. Since the combined weight of an empty bladder and bottle is only around 1kg, the majority of the weight of the delivered container from the supplier represents actual product, and the weight attributable to the container itself is minimal. Furthermore, after use, the empty container (bladder + bottle) can be crushed and recycled in any convenient manner: there is no requirement to return the fluid container since they are not intended to be re-filled, which negates the requirement of an end-user to store empty containers for collection.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Claims (8)

  1. Appareil de pulvérisation de fluide mobile (1) comportant :
    un premier récipient de fluide (20) et
    un pistolet de pulvérisation à main (10) raccordé audit récipient de fluide à des fins de libération contrôlée de fluide en provenance du récipient de fluide,
    le fluide étant un agent de démoulage liquide destiné à des fins d'application sur des contenants de cuisson au four pour la production de produits alimentaires cuits au four ; caractérisé en ce que
    le récipient de fluide comporte un corps extérieur (22) renfermant une vessie flexible intérieure (21), le fluide étant stocké à l'intérieur de la vessie ;
    et l'appareil comporte par ailleurs :
    un logement sur roues (2),
    un réservoir (30) qui contient de l'air comprimé, et
    un régulateur de pression (32) raccordé au niveau d'un orifice de sortie du réservoir ;
    le réservoir ayant une soupape d'admission (31) servant à remplir le réservoir au moyen d'air comprimé en provenance d'une alimentation externe ;
    le premier récipient de fluide (20) étant raccordé à l'orifice de sortie du réservoir par le biais du régulateur de pression, le régulateur de pression étant agencé, quand il est raccordé au premier récipient de fluide, pour libérer de l'air comprimé en provenance du réservoir à une pression réduite dans un espace (23) entre le corps extérieur (22) et la vessie flexible intérieure (21) ;
    et une pluralité desdits récipients de fluide (20) sont prévus,
    le premier récipient de fluide (20) étant en mesure d'être retiré et remplacé par un autre dit récipient de fluide une fois qu'il a été vidé de son fluide,
    et chaque récipient de fluide est adapté pour être écrasé une fois qu'il est vide.
  2. Appareil de pulvérisation de fluide mobile selon la revendication 1, dans lequel le corps extérieur est fabriqué à partir de polyéthylène téréphtalate (PET).
  3. Appareil de pulvérisation de fluide mobile selon la revendication 2, dans lequel le corps extérieur est un cylindre sensiblement sphérique.
  4. Appareil de pulvérisation de fluide mobile selon l'une quelconque des revendications précédentes, dans lequel le réservoir est adapté pour contenir une pression d'air entre 5 à 10 bars.
  5. Appareil de pulvérisation de fluide mobile selon la revendication 5, dans lequel le réservoir est adapté pour contenir une pression d'air de 8 bars.
  6. Procédé permettant d'appliquer un fluide sur des contenants de cuisson au four pour la production de produits alimentaires cuits au four, le fluide étant un agent de démoulage liquide, comportant les étapes consistant à :
    mettre en oeuvre un appareil de pulvérisation de fluide mobile (1) comprenant un logement sur roues (2), un pistolet de pulvérisation à main (10), et un réservoir (30) qui contient de l'air comprimé ;
    raccorder un régulateur de pression (32) au niveau d'un orifice de sortie du réservoir ;
    remplir le réservoir par le biais d'une soupape d'admission (31) au moyen d'air comprimé en provenance d'une alimentation externe ;
    mettre en oeuvre une pluralité de récipients de fluide (20), chaque récipient de fluide (20) comportant un corps extérieur (22) renfermant une vessie flexible intérieure (21) ;
    recevoir et stocker le fluide dans la vessie flexible intérieure de chaque récipient de fluide (20) ;
    raccorder un premier desdits récipients de fluide (20) au pistolet de pulvérisation à main (10) et par le biais du régulateur de pression (32) à l'orifice de sortie du réservoir ;
    libérer de l'air comprimé par le biais du régulateur de pression en provenance du réservoir à une pression réduite dans un espace (23) entre le corps extérieur (22) et la vessie flexible intérieure (21) ;
    actionner le pistolet de pulvérisation à main (10) pour forcer le fluide, par la pression réduite agissant sur la vessie flexible intérieure (21), hors d'une buse (13) du pistolet de pulvérisation à main (10) sous la forme d'une pulvérisation jusqu'à ce que la vessie flexible intérieure (21) soit vidée de son fluide ; et puis
    retirer le premier des récipients de fluide (20) et le remplacer par un autre des récipients de fluide.
  7. Procédé selon la revendication 6, comprenant l'étape consistant à écraser le premier des récipients de fluide (20) une fois qu'il a été vidé de son fluide.
  8. Procédé selon la revendication 7, dans lequel le premier des récipients de fluide (20) est recyclé après avoir été écrasé.
EP09151158.4A 2009-01-22 2009-01-22 Appareil de pulvérisation mobile Active EP2210673B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09151158.4A EP2210673B1 (fr) 2009-01-22 2009-01-22 Appareil de pulvérisation mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09151158.4A EP2210673B1 (fr) 2009-01-22 2009-01-22 Appareil de pulvérisation mobile

Publications (2)

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EP2210673A1 EP2210673A1 (fr) 2010-07-28
EP2210673B1 true EP2210673B1 (fr) 2019-05-08

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG193658A1 (en) * 2012-03-21 2013-10-30 Chin Kiong Tan Cleaning system and method
CN103111385B (zh) * 2013-03-05 2016-01-20 台州市路桥奇勇农业机械有限公司 一种具有回水搅液功能的电动喷雾器
AU2021289458A1 (en) * 2020-06-09 2023-01-19 Quin Global US, Inc. Disinfectant and sanitizer canister system and metering device for system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370268A2 (fr) * 1988-11-23 1990-05-30 UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC. (a New York corporation) Systèmes de démoulage
WO1993000289A2 (fr) * 1991-06-26 1993-01-07 Supaturf Products Limited Systeme distributeur
EP0567574A1 (fr) * 1991-01-23 1993-11-03 Continental Pet Technologies Bouteille multicouche a couche interieure separable.
NL1028555C1 (nl) * 2005-03-16 2006-09-20 Leonardus Carolus Wi Sonnemans Lijmmachine voor het aanbrengen van lijm op een vloer.
US20070194052A1 (en) * 2004-03-31 2007-08-23 Illinois Tool Works, Inc. Ergonomic fluid dispenser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270920A (en) * 1964-12-03 1966-09-06 Charles G Nessler Apparatus for pressure dispensing liquids
US3977602A (en) * 1974-10-29 1976-08-31 Kirch Paul W Mobile spray apparatus
HU171979B (hu) * 1976-07-19 1978-04-28 Vilmos Weiperth Pistolet raspylitel'
FI53540C (fi) * 1977-01-17 1978-06-12 Esa Kullervo Maekinen Maolningsanordning
SE510333C2 (sv) * 1996-10-11 1999-05-10 Esa Maekinen Anordning för dosering av flytbart material ur en produktbehållare
AU2003215357A1 (en) * 2002-02-22 2003-09-09 Terrasimco Inc. Bladder-based apparatus and method for dispensing coatings
US6536683B1 (en) * 2002-05-14 2003-03-25 Spraying Systems Co. Spray apparatus with multiple pressurizable tank liquid supply system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370268A2 (fr) * 1988-11-23 1990-05-30 UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC. (a New York corporation) Systèmes de démoulage
EP0567574A1 (fr) * 1991-01-23 1993-11-03 Continental Pet Technologies Bouteille multicouche a couche interieure separable.
WO1993000289A2 (fr) * 1991-06-26 1993-01-07 Supaturf Products Limited Systeme distributeur
US20070194052A1 (en) * 2004-03-31 2007-08-23 Illinois Tool Works, Inc. Ergonomic fluid dispenser
NL1028555C1 (nl) * 2005-03-16 2006-09-20 Leonardus Carolus Wi Sonnemans Lijmmachine voor het aanbrengen van lijm op een vloer.

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