WO2008148887A1 - Évent autorégulateur pour cuve d'alimentation en peinture - Google Patents

Évent autorégulateur pour cuve d'alimentation en peinture Download PDF

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Publication number
WO2008148887A1
WO2008148887A1 PCT/EP2008/057121 EP2008057121W WO2008148887A1 WO 2008148887 A1 WO2008148887 A1 WO 2008148887A1 EP 2008057121 W EP2008057121 W EP 2008057121W WO 2008148887 A1 WO2008148887 A1 WO 2008148887A1
Authority
WO
WIPO (PCT)
Prior art keywords
vessel
valve
closure lid
openings
closure
Prior art date
Application number
PCT/EP2008/057121
Other languages
English (en)
Inventor
Alain Wambeke
Peter Van Zele
Eric Van Zele
Original Assignee
S.A. Omniform
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38459585&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008148887(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by S.A. Omniform filed Critical S.A. Omniform
Priority to EP08760690A priority Critical patent/EP2160252B1/fr
Priority to CA002689229A priority patent/CA2689229A1/fr
Priority to US12/663,238 priority patent/US20100288772A1/en
Priority to ES08760690T priority patent/ES2402594T3/es
Publication of WO2008148887A1 publication Critical patent/WO2008148887A1/fr

Links

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
    • B05B7/2408—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 characterised by the container or its attachment means to the spray apparatus
    • 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
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun

Definitions

  • the present invention relates to a vessel, in particular for containing paint, comprising a reservoir and a closure lid which reservoir is provided for being closed by said closure lid, which closure lid is applicable on top of a liquid application tool, said vessel having an air inlet comprising a plurality of openings, said closure lid comprises a conically shaped part.
  • Such a vessel is known from the International Patent application WO 03/006170.
  • the latter application relates to a vessel being mounted on top of a liquid application tool.
  • gravity helps feeding the liquid into the application tool.
  • the vessel also comprises a conically shaped part, which allows to easily apply a filter between the reservoir and the application tool, which keeps the latter from clogging up.
  • the conically shaped part further allows feeding the liquid into the liquid application tool even if the latter is used in a non- horizontal position. Openings are provided on the reservoir to provide vacuum relief for the liquid application tool. This implies that the reservoir is not liquid-tight any more.
  • the above mentioned patents therefore describe the use of a flexible liner within the cavity of the reservoir, which liner holds the liquid. The advantage is that the reservoir can be used multiple times.
  • a drawback of the known vessel is that it requires an extra element, namely the liner. It also requires at least one extra step using such a vessel, namely placing the flexible liner into the reservoir. It is an object of the present invention to provide a vessel which allows using a reservoir multiple times, and which vessel is easier to use than prior art vessels.
  • a vessel according to the present invention is characterised in that said air inlet being is provided with a closure valve made of flexible elastomer material, said valve being resiliently mounted on said air inlet in such a manner as to cover said plurality of openings, of which each opening having a surface area of at the most 15 mm 2 , and as to open upon a predetermined pressure difference between a first pressure inside said vessel and a second pressure outside said vessel, said closure lid (3) being provided with a protrusion applied on said conically shaped part and forming a flat contact face for said valve.
  • the vessel is capable of holding a liquid because a valve is used to cover the openings.
  • the vessel is capable of holding a liquid, there is no need any more for a flexible liner, and the liquid can be applied directly into the reservoir. Because there is no flexible liner, in using the vessel, there is no need to apply such a liner, which makes the use of the vessel easier. No openings are to be provided in the reservoir so as to keep the latter intact and consequently suitable for using multiple times.
  • the valve is not applied on the reservoir which forms the top part of the vessel in a mounted position, but the valve is applied on the closure lid. No particular measures are to be applied on the reservoir for vacuum relief, which makes any cup which fits to the closure lid suitable for being used as reservoir.
  • the valve is applied on the closure lid, which forms the lower part of the vessel in a mounted position, when air enters the vessel through the valve, the air enters below the liquid surface. This results in bubbles rising to the liquid surface, thereby creating turbulences inside the liquid. These turbulences induce a mixing effect to the liquid, which is especially advantageous in multi component liquids.
  • a first preferred embodiment of a vessel according to the present invention is characterised in that said openings are applied along a circumference of a circle and wherein said valve has a circularly shaped member covering said openings.
  • the circular distribution of the openings stimulates a well distributed air flow.
  • a second preferred embodiment of a vessel according to the present invention is characterised in that a further opening is applied in the centre of said circle, said valve having a stem extending from said member and penetrating into said further opening. In such a manner the stem is surrounded by the air flow openings.
  • the invention also relates to a closure lid as part of a vessel according to the present invention.
  • figure 1 shows an overall view of the vessel mounted on a spray gun.
  • figure 2 shows a top view of the closure lid
  • figure 3 shows the inner side of the closure lid
  • figure 4 shows a cross section along the line IV-IV
  • figure 5 shows a detailed view of the plurality of holes
  • figure 6 shows a cross section through the closure valve.
  • the vessel 1 illustrated in figure 1 is mounted on a spray gun 4 provided with a handle 5 for controlling the spray volume.
  • a spray gun is used as a liquid application tool. It will however be clear that other application tools than a spray gun can be used.
  • the vessel is provided for storing and conveying paint to the spray gun. It will however be clear that the present invention is not limited to vessels for storing paint and that the vessels may contain any other liquid or viscous material to be supplied to the application tool.
  • the vessel also comprises a reservoir 2, which is closed by means of a closure lid 3. The closure lid is preferably clicked on a rim of the reservoir with a pressure fit interlocking design.
  • the vessel can also comprise a mixing cup which is removably mounted thereto.
  • the mixing cup is used for preparing a mixture, in particular paint, prior to pouring it into the vessel, which is subsequently mounted onto the application tool.
  • the removably mounted mixing cup enables to incorporate the mixing cup as part of the vessel, thereby avoiding the need to transfer the liquid to another vessel prior to the application thereof. This extends the utility of a mixing cup, reduces waste, and reduces the cost and the number of steps in the liquid (paint) preparation process.
  • FIG 2 which shows a top view of the closure lid 3, the latter comprises a closure rim 6 for fixing the closure lid on the reservoir 2.
  • the closure rim is upright with respect to the closure lid surface 11 extending from the closure rim towards a central opening 7 applied on a protrusion and provided for mounting the vessel 1 on the spray gun 4.
  • Triangularly shaped reinforcement elements 8 extend as from the closure rim's upright part towards the central opening over a short section of the closure lid surface 11. The reinforcement elements reinforce the connection between the closure rim 6 and the closure lid surface 11 and also the whole closure lid, in such a manner as to firmly sustain the weight of the liquid when the vessel is applied on the application tool.
  • the closure lid further comprises an air inlet 9.
  • the air inlet crosses the closure lid surface 11 and comprises a plurality of openings 10.
  • the air inlet is applied approximately half way between the closure rim 6 and the central opening 7.
  • the openings are applied along a circumference of a circle.
  • the air inlet is preferably applied on a seat 12.
  • the seat 12 forms a triangularly shaped protrusion (as seen in the sectioned view of figure 4) inside the vessel and with respect to the cover lid surface 11. By this protrusion, a flat surface is created on which the air inlet can be provided.
  • the air inlet location may be adjusted for various reasons, such as to incorporate the aforementioned filtering screen.
  • the air inlet is applied on the closure lid.
  • the air inlet could also be applied on the reservoir 2, preferably in the upper part thereof.
  • the openings 10 are applied in the flat surface part of the seat which extend substantially parallel with respect to line 13. In such a manner, the air penetrates perpendicularly through the openings 10 and turbulences are avoided which would be generated in case that the openings would be applied in the conical surface.
  • the air inlet 9 is as if to say applied in a cavity, applied on the closure lid's surface 11 .
  • the dimension of the diameter d1 is determined in function of the liquid to be applied and the amount of air flow needed into the interior of the vessel.
  • the diameter of each opening can vary between 0.2 mm to 4 mm.
  • At the most each of the plurality of openings have a surface of 15 mm 2 .
  • diameter d2 may also vary according to the liquid to be applied and air flow needed into the vessel interior.
  • the air inlet is further provided with a closure valve 14 made of a flexible elastomer material such as silicone rubber, fluorosilicone, fluoroelastomers or perfluoroelastomers.
  • a closure valve 14 made of a flexible elastomer material such as silicone rubber, fluorosilicone, fluoroelastomers or perfluoroelastomers.
  • the choice of the elastomer material of which the valve is made, is in function of the liquid that will be present in the vessel. Indeed, care has to be taken that the latter material is chemically resistant to this liquid.
  • the valve assembly may also be mounted in the reservoir if the air inlet is applied there.
  • the air inlet is preferably provided with a further opening 14 as illustrated in figures 5 and 6. This further opening 14 is applied in a centre of the circle C within which the openings 10 are applied.
  • the valve comprises preferably a stem 15 on which a circularly shaped member 16 is mounted as illustrated in figure 6.
  • the circularly shaped member is dimensioned in such a manner that it covers the plurality of openings.
  • Such a type of valve is also called an umbrella valve.
  • the circularly shaped member 16 extends on the inner side of the closure lid, whereas the stem 15 penetrates through the further opening 14 in order to reach the outer side of the closure lid 3.
  • the stem 15 is somewhat compressed inside the further opening 14 so that it bulges out at the outer side, thereby firmly fixing the valve to the air inlet.
  • the valve thus covers the openings and opens upon a pressure difference between a first pressure P1 inside the vessel and a second pressure P2 outside the vessel .
  • the gun When the user activates the handle 5 of the spray gun, the gun will open thereby causing a pressure drop inside the vessel. As the pressure P1 , inside the vessel is then lower than the pressure P2 outside the vessel, a pressure difference will be established over the air inlet, causing the valve to open and thus allowing air from the outside to flow via the plurality of openings 10 inside the vessel. As soon as the handle is released, the pressure difference becomes negligible, thereby causing the valve to close. The valve is thus self regulating and as the valve closes after release of the handle, the vessel is closed and there is no need to change the closure lid, even if the liquid remains stored in the vessel.
  • the closure lid and the reservoir are preferably made of plastic disposable material so as to provide a low cost product. Moreover, there is also no need to clean the reservoir. It has to be noted that a silicone valve may swell upon exposure to certain solvents which may be present in the liquid. However this will not affect the operation of the valve as the member 16 does not cross the boundaries of the seat.
  • the valve can be designed in such a manner that it opens at predetermined pressure differential between the interior and exterior of the vessel.
  • the valve design can be optimized to open at as low as 5 millibar of pressure or as high as 100 millibar, depending on needs of the application.
  • the valve has also a self sealing feature, as even without pressure difference the stem holds the valve closed due to the pre- tension in the stem.
  • the self regulating properties of the valve cause the air volume passing through the plurality of openings to be directly dependent on the amount of liquid sprayed.
  • the size of the valve and seat openings can be increased or multiple valve mountings could be used.

Landscapes

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

Abstract

Dans cette invention, une cuve d'alimentation (1), contenant en particulier de la peinture, comprend un réservoir (2) et un couvercle de fermeture (3), le réservoir (2) étant conçu pour être fermé car ce couvercle (3). Le couvercle de fermeture (3) peut être appliqué au sommet d'un instrument d'application de liquide (4), ladite cuve (1) ayant une entrée d'air dotée d'une pluralité d'ouvertures (9), et ledit couvercle de fermeture (3) ayant une partie de forme conique. L'arrivée d'air dispose pour sa part d'une vanne de fermeture réalisée dans un matériau en élastomère souple et montée de manière résiliente sur ladite arrivée d'air de sorte qu'elle couvre la pluralité d'ouvertures (chaque ouverture a une surface qui ne dépasse pas 15 mm2) et qu'elle s'ouvre lorsque la différence de pression prédéterminée entre une première pression interne à la cuve et une deuxième pression externe à cette même cuve est atteinte. Cette fermeture Hd (3) est dotée d'une saillie située sur la partie de forme conique et forme une surface de contact plate pour ladite vanne.
PCT/EP2008/057121 2007-06-07 2008-06-06 Évent autorégulateur pour cuve d'alimentation en peinture WO2008148887A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08760690A EP2160252B1 (fr) 2007-06-07 2008-06-06 Évent autorégulateur pour cuve d'alimentation en peinture
CA002689229A CA2689229A1 (fr) 2007-06-07 2008-06-06 Event autoregulateur pour cuve d'alimentation en peinture
US12/663,238 US20100288772A1 (en) 2007-06-07 2008-06-06 Self regulating vent for a paint supply vessel
ES08760690T ES2402594T3 (es) 2007-06-07 2008-06-06 Orificio de purga auto-regulable para recipiente de suministro de pintura

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07109834A EP2000218A1 (fr) 2007-06-07 2007-06-07 Event à régulation automatique pour un récipient d'alimentation de peinture
EP07109834.7 2007-06-07

Publications (1)

Publication Number Publication Date
WO2008148887A1 true WO2008148887A1 (fr) 2008-12-11

Family

ID=38459585

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/057121 WO2008148887A1 (fr) 2007-06-07 2008-06-06 Évent autorégulateur pour cuve d'alimentation en peinture

Country Status (5)

Country Link
US (1) US20100288772A1 (fr)
EP (2) EP2000218A1 (fr)
CA (1) CA2689229A1 (fr)
ES (1) ES2402594T3 (fr)
WO (1) WO2008148887A1 (fr)

Cited By (1)

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WO2010004305A2 (fr) * 2008-06-17 2010-01-14 U-Pol Limited Connecteur pour un pistolet vaporisateur à alimentation par gravité, pistolet vaporisateur à alimentation par gravité, et procédé de préparation d’une peinture vaporisée

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EP2450108B1 (fr) 2004-12-16 2016-11-30 Saint-Gobain Abrasives, Inc. Godet d'écoulement avec garniture pour pistolets vaporisateurs
US11040360B2 (en) 2006-06-20 2021-06-22 Saint-Gobain Abrasives, Inc. Liquid supply assembly
EP2564937B1 (fr) 2006-06-20 2017-04-12 Saint-Gobain Abrasives, Inc. Ensemble d'alimentation en liquide
US20120279887A1 (en) 2011-05-06 2012-11-08 Saint-Gobain Abrasifs Paint cup assembly with a collapsible liner
MX371278B (es) 2011-06-30 2020-01-24 Saint Gobain Abrasifs Sa Montaje de deposito de pintura.
EP2771127B1 (fr) * 2011-10-27 2017-07-12 Graco Minnesota Inc. Source de fluide à pulvérisateur comportant une doublure rétractable
CA2862420C (fr) 2011-12-30 2018-08-07 Saint-Gobain Abrasives, Inc. Ensemble godet de peinture convertible avec soupape d'entree d'air
EP3077124B1 (fr) 2013-12-05 2020-12-23 3M Innovative Properties Company Récipient pour un dispositif de pulvérisation
US9796492B2 (en) 2015-03-12 2017-10-24 Graco Minnesota Inc. Manual check valve for priming a collapsible fluid liner for a sprayer
CN107847956B (zh) * 2015-07-08 2021-08-10 3M创新有限公司 喷枪杯、接收器以及使用方法
WO2017123714A1 (fr) 2016-01-15 2017-07-20 3M Innovative Properties Company Raccord fluidique à large embouchure pour pistolets pulvérisateurs tenus à la main
USD793530S1 (en) * 2016-03-24 2017-08-01 3M Innovative Properties Company Lid for spray gun cup
EP4268972A3 (fr) 2016-01-15 2024-01-24 3M Innovative Properties Company Procédés d'installation d'un couvercle sur un réceptacle de pistolet de pulvérisation
USD811525S1 (en) * 2016-03-24 2018-02-27 3M Innovative Properties Company Retention collar for spray gun cup
JP2019508229A (ja) * 2016-01-15 2019-03-28 スリーエム イノベイティブ プロパティズ カンパニー スプレーガンカップ、容器、及び使用の方法
WO2017123707A1 (fr) 2016-01-15 2017-07-20 3M Innovative Properties Company Ensembles couvercle de pistolet de pulvérisation modulaire et procédés de conception et d'utilisation
US11413636B2 (en) 2016-01-15 2022-08-16 3M Innovative Properties Company Connector system for hand-held spray guns
US10689165B2 (en) 2016-01-15 2020-06-23 3M Innovative Properties Company Reservoir systems for hand-held spray guns and methods of use
ITUB201653118U1 (it) 2016-03-01 2017-09-01 Cartotecnica Basic S N C Di Traverso Ruggero E C Serbatoio di vernice a gravità per pistola di verniciatura
CN110891694A (zh) 2017-07-14 2020-03-17 3M创新有限公司 用于喷枪的流体递送组件
IT201800009634A1 (it) * 2018-10-19 2020-04-19 Walmec Spa Migliorato serbatoio per vernice
IT201800010567A1 (it) * 2018-11-26 2020-05-26 Walmec Spa Serbatoio di prodotto spruzzabile per alimentare un aerografo
US11326830B2 (en) 2019-03-22 2022-05-10 Robert W. Jacobi Multiple module modular systems for refrigeration
EP3976270A1 (fr) 2019-05-31 2022-04-06 Graco Minnesota Inc. Pulvérisateur de fluide portatif
JP1651759S (fr) * 2019-07-04 2020-01-27
USD937968S1 (en) 2020-03-12 2021-12-07 3M Innovative Properties Company Container
USD971725S1 (en) 2020-03-12 2022-12-06 3M Innovative Properties Company Container lid
USD952097S1 (en) * 2020-07-14 2022-05-17 Yuyao Yufeng Scutcheon Plastic Factory Paint spraying pot lid
USD1029185S1 (en) * 2022-02-23 2024-05-28 Huaian Hohear Tech. Co., Ltd. Paint spraying system

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US3858810A (en) * 1973-07-31 1975-01-07 Larry E Seeley Spray paint container and attachment therefor
US4388997A (en) * 1981-04-20 1983-06-21 Champion Spark Plug Company Vent for paint cups
WO2003006170A2 (fr) * 2001-07-09 2003-01-23 3M Innovative Properties Company Ensemble d'amenee de liquide
DE202004003376U1 (de) * 2004-03-04 2005-07-14 Sata Farbspritztechnik Gmbh & Co.Kg Farbbechersystem für eine Farbspritzpistole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010004305A2 (fr) * 2008-06-17 2010-01-14 U-Pol Limited Connecteur pour un pistolet vaporisateur à alimentation par gravité, pistolet vaporisateur à alimentation par gravité, et procédé de préparation d’une peinture vaporisée
WO2010004305A3 (fr) * 2008-06-17 2010-03-11 U-Pol Limited Connecteur pour un pistolet vaporisateur à alimentation par gravité, pistolet vaporisateur à alimentation par gravité, et procédé de préparation d’une peinture vaporisée

Also Published As

Publication number Publication date
EP2000218A1 (fr) 2008-12-10
ES2402594T3 (es) 2013-05-07
EP2160252A1 (fr) 2010-03-10
EP2160252B1 (fr) 2013-01-09
CA2689229A1 (fr) 2008-12-11
US20100288772A1 (en) 2010-11-18

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