EP0746422B2 - Dispositif d'application d'un produit liquide - Google Patents

Dispositif d'application d'un produit liquide Download PDF

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Publication number
EP0746422B2
EP0746422B2 EP95910354A EP95910354A EP0746422B2 EP 0746422 B2 EP0746422 B2 EP 0746422B2 EP 95910354 A EP95910354 A EP 95910354A EP 95910354 A EP95910354 A EP 95910354A EP 0746422 B2 EP0746422 B2 EP 0746422B2
Authority
EP
European Patent Office
Prior art keywords
pump
roller
speed
applicator
control unit
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
EP95910354A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0746422B1 (fr
EP0746422A1 (fr
Inventor
Stéphane Van Oost
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.)
ARTESYS S.P.R.L.
Original Assignee
ARTESYS Sprl
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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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3887992&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0746422(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ARTESYS Sprl filed Critical ARTESYS Sprl
Publication of EP0746422A1 publication Critical patent/EP0746422A1/fr
Publication of EP0746422B1 publication Critical patent/EP0746422B1/fr
Application granted granted Critical
Publication of EP0746422B2 publication Critical patent/EP0746422B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
    • B05C17/0333—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller with pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/0222—Rollers ; Hand tools comprising coating rollers or coating endless belts comprising protecting shields, drip pans, spatter guards or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/0227—Rollers ; Hand tools comprising coating rollers or coating endless belts comprising several coating rollers
    • B05C17/023—Rollers ; Hand tools comprising coating rollers or coating endless belts comprising several coating rollers all of them having parallel axises
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
    • B05C17/0308—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller the liquid being supplied to the inside of the coating roller

Definitions

  • the invention relates to an application device a liquid product, in particular paint, comprising an applicator provided with at least one roller, arranged to apply the product to a surface and a supply unit, with pump and pipe, at least partly flexible, connecting the pump to the applicator, the device also comprising a roller motion speed (Vr) detector on the surface, said detector being arranged to provide a control signal corresponding to said speed, said detector and said pump being connected to a unit of control, arranged to regulate the flow of the product liquid supplied by the pump under control of said signal control.
  • Vr roller motion speed
  • Such a device is known from the US-PS patent
  • paint is supplied from a tank using a pump and via a line towards the roller, in order to apply it on a area.
  • the speed at which the roller moves over the surface on which the paint is applied is measured using a detector which produces a signal control indicating the speed of movement of the roller.
  • the control signal formed by a sequence of pulses, is supplied to the control unit, which under control of this control signal, regulates the product flow liquid supplied to the roller. In such a way the provision of paint is controlled by the speed of the roller.
  • a disadvantage of the known device is that to measure the paint flow we use a flow control switch, which is connected or disconnected according to the pulse sequence forming the control signal. Therefore, the pressure inside the pipe varies asymptotically which causes a non-linear flow of the liquid in driving, which in turn leads to an application uneven thickness of paint on the surface.
  • the object of the present invention is to provide a device for applying a liquid product to a surface allowing to apply the product to the surface with a substantially equal thickness.
  • a device is characterized in that said pump is a positive displacement pump, arranged to pump at pumping speed (Vp) adjustable, and that said control unit is provided with a regulator (40), arranged to establish at minus a linear relationship between the speed of movement of the roller (Vr) and the pumping speed (Vp), said control unit being arranged to adjust said flow also according to said relationship linear.
  • Vp pumping speed
  • Vp pumping speed
  • Vp pumping speed
  • a first preferred embodiment of the device according to the invention is characterized in what said regulator is arranged to allow the selection of ratios (Vr / Vp) between the speed of movement of the roller and the pumping speed.
  • the relationship game linear allows you to choose between different relationships linear and thus vary the thickness of the layer.
  • GB-A-2 263 508 describes a device where liquid ratio is determined based on the speed of movement. However the roller that measures this speed is not the one applying the liquid. The the only role of this roller is to measure this speed. The liquid is applied to it using an ejector. In addition, this device does not have a control unit which allows to adjust the ratio between the flow and the speed of the roller. In this device the pump is driven by the movement of the roller which is not compatible only with very fluid liquids which are sucked and not pushed towards the applicator.
  • Patent application DE-A-3526257 describes also a device for applying a liquid product on a surface.
  • a buffer zone is adjacent to the application roller.
  • Liquid, in particular paint is pumped into this buffer zone which then feeds the roller.
  • the rotation of the roller causes a suction that brings the paint from the buffer zone on the roller.
  • the suction force is depending on the speed of rotation of the roller.
  • the solution described in DE-A-3526257 does not contain measure the speed of movement of the roller and what fact differs from that of the present invention.
  • Another preferred embodiment of a device according to the invention is characterized in that that said control unit is arranged to start the liquid booster when the control signal indicates a value corresponding to a stop of the movement.
  • said control unit is arranged to start the liquid booster when the control signal indicates a value corresponding to a stop of the movement.
  • control unit is arranged to stop said liquid booster after the flow of a predetermined period of time counted at from said start.
  • the recall should continue too long the pipe would empty and it would take re-initiate the supply of product when the work start over, causing a waste of time. In thus stopping the recall, product is kept in the pipeline and the user can start again directly after an interruption even longer than the period predetermined.
  • Another preferred embodiment of a device according to the invention is characterized in that the applicator has two rollers arranged in parallel, said pipe being connected to a cavity internal of one of the rollers. This has the advantage that one roller brings the liquid and the other spreads it out. The roller which is not fed does not saturate any product liquid which allows to use it
  • Another preferred embodiment of a device according to the invention is characterized in that the supply unit has at least two pumps arranged to supply different liquid products the same applicator, and said control unit being arranged to regulate the flow rate of each pump individually. This allows two products to be mixed and to measure the contribution of each product individually.
  • said pump is a pump peristaltic driven by an adjustable speed motor.
  • a peristaltic pump allows you to easily adjust the flow, because this type of positive displacement pump has a flow proportional to the engine speed which The driven.
  • Another preferred embodiment of a device according to the invention is characterized in that that said applicator includes protective screens mounted parallel to the axis of the roller. This allows abut against ceilings, baseboards or other contiguous edges without the roller touching these edges, which allows increase the working speed.
  • the same reference has been attributed to the same element or to an analogous element.
  • reference is made to a device for applying paint to a surface.
  • the device according to the invention is not limited to the application of paint and other products liquids, such as glue, stripper, bitumen-based coatings, can also be applied by this device.
  • Figures 1 and 2 show an example an applicator forming part of the device according to the invention.
  • the applicator has two rollers 2 and 3 arranged at the same time both of which overflow a little the opening of the housing 1.
  • the first roller 2, shown in detail in Figure 3, has an interior cavity 21 which is supplied with paint via a pipe supply 8.
  • the pipe is at least on part of its flexible length.
  • the paint is distributed evenly around the outer periphery of the roller and passes through the permeable cylinder 22 which supports the outer skin 23 of the roller.
  • the cavity can be partially filled with a light unsaturable foam 24.
  • the second roller 3 spreads the deposited paint by the first. Box 1 is guided by the displacement of the two rollers 2 and 3 so that it is kept parallel to the surface to be painted; he harvests well all paint splashes.
  • the device has two rollers. However a device with a single roller can also be considered. The device would then comprise only the roller 2.
  • the supply line can be partly formed by the handle on which the applicator is mounted.
  • the housing is provided with protective screens 11 mounted parallel to the axis 12 of the roller. These screens on the one hand, allow the rollers to be well wrapped and on the other hand to abut against the ceiling, plinths or door and window frames or any other contiguous edges, without the rollers touching these edges. The working speed can thus be increased because the user should pay less attention and should not hide these edges.
  • the set 1, 2 and 3 is free to rotate around of the axis 5 forming part of the handle of the applicator 6.
  • One or more rollers 4 are optionally arranged on one side of the case 1 which allows paint closer to corners and edges without too much precautions.
  • the axis 5 of the handle is arranged above of the center of gravity of the set 1,2 and 3 when the housing 1 is arranged open face up. The face open from the housing upwards is therefore a position balance. This ensures that there is no overflow of paint during the various handling operations.
  • An electric control 7 adapted to the handle 6 allows switching on and off of the power supply unit paint.
  • a speed detector 9, 10 of the movement of the roller on the surface measures the speed of rotation of the first roller 2.
  • the detector comprises for example a first permanent magnet 9 fixed on the first roller 2 and a second magnet fixed on the housing 1. Whenever the first magnet passes by the second, an impulse is produced. Succession pulses thus produced then form a signal of control corresponding to the speed of the roller on the area.
  • the pulse frequency is for example transformed into a voltage whose voltage is proportional at the frequency and therefore the speed of the roller.
  • the flow is controlled by this speed measurement by through a control unit.
  • the paint supply for roller 2 is provided by a pump 38 placed between line 8 and a reservoir 37 of paint or other liquid product, as illustrated in figure 4.
  • the pump is preferably a peristaltic pump because it allows control reliable paint flow rate desired by the user. Indeed, this type of positive displacement pump has a proportional flow at the speed of rotation of the motor 31 which The driven.
  • the electric motor 31 drives, via a reduction gear 32, the axis of the pump on which are fixed two casters 36.
  • the reduced space between the casters 36 and the throat of the pump body 34 causes the crushing of the tube 35 such that the tube is sealed.
  • Move rollers along tube 35 causes pumping and feeding the paint from container 37 to an applicator via line 8. Paint flow therefore only depends on the speed of the motor 31 controlled by control unit 33.
  • the control unit 33 receives the control signal supplied by the detector.
  • the control signal is supplied to a variable resistor 41, an output of which is connected to a first input of a comparator circuit 39.
  • a second input of the comparator circuit 39 is connected to the motor 31 and receives a signal indicating the speed of the motor.
  • the variable resistor 41 is controlled using a regulator 40, which makes it possible to modify the ratio between the flow rate of the liquid and the speed of movement of the roller on the surface.
  • FIG. 6 shows a graph indicating the relationship between the speed of rotation V r of the roller and the speed of rotation V p of the pump which is proportional to the flow rate of the liquid supplied.
  • the regulator 40 makes it possible to select a ratio V r / V p according to a slope ⁇ a, ⁇ b or ⁇ c.
  • the servo lines a, b, c indicate different relationships.
  • the user Before starting his painting work, the user will therefore choose, with the aid of the regulator 40, a ratio V r / V p as a function of the thickness of the layer to be applied.
  • the ratio thus indicated will position the variable resistor 41 at a value corresponding to this ratio.
  • the control signal supplied by the speed detector and the signal indicating the speed of the motor, weighted by the resistor 41 will be constantly compared by the comparator circuit 39 which then provides at its output a control signal for the motor 31.
  • the comparator circuit 39 When the roller speed increases respectively decreases, the comparator circuit 39 will notice a difference between the signals supplied to these inputs and will modify the motor speed in order to equalize this difference.
  • the flow of liquid supplied by the pump is thus controlled by the control signal indicating the speed of the roller. Since the ratio between the flow rate and the speed of the roller defines the thickness of paint and this ratio is kept constant along the selected servo line, the thickness is therefore kept constant regardless of the speed at which the user makes advance the roller.
  • the control unit 33 is also arranged to note a temporary stop in the movement of the roller and to start a recall of the liquid in the event of a stop.
  • the recall is limited to a predetermined period of time counted from the moment the meaning of engine rotation has been reversed.
  • the unity of command includes for example a stalled RC circuit over this period of time.
  • the invention can be equipped with several pumps, each with their own control unit where share one control unit with another pump.
  • the device according to the invention no paint viscosity control is not required and this can contain solid particles without affect the operation of the pump.
  • the draining the peristaltic pump and the applicator is simplified because the paint flow can be reversed by reverse the engine and empty the equipment. Cleaning is facilitated by a quick connector provided in line 8 and adaptable to a power supply running water. Changing the pump hose peristaltic by another facilitates rapid change of color or paint.
  • the applicator housing containing the two rollers eliminates splash problems and masking is no longer necessary.
  • the applicator performs in a feeding and spreading operation the painting thanks to the double roller. From then on, the application painting on a wall can be done with movements back and forth from the top end of the wall at its lower end.
  • a telescopic handle is preferentially used because it allows the use of two hands of the operator.
  • the extendable handle is adaptable in vertical position to a rolling support. It is no longer necessary to cross the painting because the spread is uniform from the first passage. Sometimes a coat of paint is enough because the paint supply can be adjusted so that it significantly more important than with a conventional roller without affecting the end result. The yield and comfort of the painter are therefore significantly improved and the superior work quality.
  • a particular type of roller as presented in Figure 7 is preferably of truncated conical shape whose circular bases 50, 51 are impermeable to the liquid product used. This type of roller allows for quick cuts and with the same pump.
  • the standard cylindrical roller realizes surfaces with the exception of cutouts.
  • the connector quick on line 8 connects the roller tapered instead of the standard roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Manufacturing Of Electric Cables (AREA)
EP95910354A 1994-02-24 1995-02-24 Dispositif d'application d'un produit liquide Expired - Lifetime EP0746422B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9400211A BE1008046A3 (fr) 1994-02-24 1994-02-24 Applicateur de peinture a double rouleau alimente par une pompe a peinture.
BE9400211 1994-02-24
PCT/BE1995/000018 WO1995023033A2 (fr) 1994-02-24 1995-02-24 Dispositif d'application d'un produit liquide

Publications (3)

Publication Number Publication Date
EP0746422A1 EP0746422A1 (fr) 1996-12-11
EP0746422B1 EP0746422B1 (fr) 1999-05-12
EP0746422B2 true EP0746422B2 (fr) 2003-04-02

Family

ID=3887992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95910354A Expired - Lifetime EP0746422B2 (fr) 1994-02-24 1995-02-24 Dispositif d'application d'un produit liquide

Country Status (15)

Country Link
US (1) US5931595A (cs)
EP (1) EP0746422B2 (cs)
AT (1) ATE179913T1 (cs)
AU (1) AU690641B2 (cs)
BE (1) BE1008046A3 (cs)
BR (1) BR9506877A (cs)
CA (1) CA2183986A1 (cs)
CZ (1) CZ284192B6 (cs)
DE (1) DE69509639T3 (cs)
ES (1) ES2133746T5 (cs)
HU (1) HUT76018A (cs)
NZ (1) NZ281544A (cs)
PL (1) PL316019A1 (cs)
RU (1) RU2153940C2 (cs)
WO (1) WO1995023033A2 (cs)

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Publication number Priority date Publication date Assignee Title
US5997205A (en) * 1997-03-26 1999-12-07 Koide; Takanori Coating roller and coating apparatus
IT1304836B1 (it) * 1998-06-12 2001-04-05 Pierino Pistis Rullo di tinteggiatura.
BE1013833A4 (fr) 2000-11-14 2002-09-03 Dispositif d'application de produits liquides a teinte evolutive.
EP1537061A2 (en) * 2002-08-15 2005-06-08 Balmoral Technologies (Pty) Limited Method of producing a hydraulic binder or thermoplastic containing product
ES2246611B1 (es) * 2002-10-03 2007-04-01 Antonio Montero Ramos Sistema y utensilio de pintura.
US7748921B2 (en) * 2003-12-16 2010-07-06 Trac-Tool Products, Llc Fluid applicator assembly
DE602004023328D1 (de) * 2004-01-14 2009-11-05 Pierino Pistis Selbstspeisender farbroller
US8845222B2 (en) * 2005-10-24 2014-09-30 Wagner Spray Tech Corporation Modular paint pump for a paint roller
US20070134050A1 (en) * 2005-12-08 2007-06-14 Bruggeman Daniel J Reversible electric pump and paint roller assembly
US20110013968A1 (en) * 2006-05-08 2011-01-20 Shawn Donegan Fluid applicator assembly
AR057647A1 (es) * 2006-05-15 2007-12-12 Peralta Ernesto F Equipo autonomo para la aplicacion de pinturas
GB2448579A (en) * 2007-04-17 2008-10-22 Ici Plc Painting apparatus with a paint supply dip-tube assembly
GB0707352D0 (en) * 2007-04-17 2007-05-23 Ici Plc A Painting system
US20110188919A1 (en) * 2008-03-06 2011-08-04 Carlos Saravia Castillon Roller for painting difficult-to-access rough surfaces
US20090302563A1 (en) 2008-06-09 2009-12-10 Thibault Richard R Painters wheeled caddy
CA2748071C (en) * 2009-01-16 2014-06-03 The Procter & Gamble Company Apparatus and methods for modifying keratinous surfaces
CN106284927A (zh) * 2015-06-26 2017-01-04 苏州宝时得电动工具有限公司 涂料涂覆装置
US10039369B2 (en) * 2016-01-06 2018-08-07 Richard R. Haemerle Paint transfer system
CN207454227U (zh) * 2017-10-31 2018-06-05 四川南格尔生物科技有限公司 一种高精度蠕动泵流速控制系统
CN110259149B (zh) * 2018-07-02 2021-05-11 厦门华蔚物联网科技有限公司 一种砖面加湿装置及应用其的印浆机器人
KR102146551B1 (ko) * 2019-02-12 2020-08-20 (주)진영도장 도장용 스프레이 롤러
FR3092773B1 (fr) * 2019-02-14 2023-05-12 Pierre Pano Machine à peindre avec dispositif d'application distant
WO2025023821A1 (en) * 2023-07-21 2025-01-30 Van T Hek Willem Johan A paint roller with a freely rotatable adapter and two frustoconical applicators, said adapter and a kit of parts
DE102023135661A1 (de) * 2023-12-18 2025-08-21 Urs Straube Vorrichtung zum Auftragen von Anstrichmittel

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Also Published As

Publication number Publication date
RU2153940C2 (ru) 2000-08-10
AU690641B2 (en) 1998-04-30
BR9506877A (pt) 1997-08-19
HU9602237D0 (en) 1996-10-28
ES2133746T3 (es) 1999-09-16
AU1750495A (en) 1995-09-11
CZ284192B6 (cs) 1998-09-16
BE1008046A3 (fr) 1996-01-03
US5931595A (en) 1999-08-03
WO1995023033A2 (fr) 1995-08-31
CZ245396A3 (en) 1997-07-16
EP0746422B1 (fr) 1999-05-12
WO1995023033A3 (fr) 1995-10-26
DE69509639D1 (de) 1999-06-17
HUT76018A (en) 1997-06-30
ATE179913T1 (de) 1999-05-15
CA2183986A1 (en) 1995-08-31
PL316019A1 (en) 1996-12-23
ES2133746T5 (es) 2004-02-01
NZ281544A (en) 1998-04-27
EP0746422A1 (fr) 1996-12-11
DE69509639T2 (de) 1999-12-09
DE69509639T3 (de) 2004-03-04

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