EP0261469A1 - Appareil pour le nettoyage d'objets qui ont été en contact avec des peintures - Google Patents

Appareil pour le nettoyage d'objets qui ont été en contact avec des peintures Download PDF

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Publication number
EP0261469A1
EP0261469A1 EP87112856A EP87112856A EP0261469A1 EP 0261469 A1 EP0261469 A1 EP 0261469A1 EP 87112856 A EP87112856 A EP 87112856A EP 87112856 A EP87112856 A EP 87112856A EP 0261469 A1 EP0261469 A1 EP 0261469A1
Authority
EP
European Patent Office
Prior art keywords
spray
solvent
paint
carrier
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.)
Granted
Application number
EP87112856A
Other languages
German (de)
English (en)
Other versions
EP0261469B1 (fr
Inventor
Richard A. Robb
Michael J. Grugg
John J. Grubb
James T. Asanger
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.)
A B T Equipment Manufacturing Ltd
Herkules Equipment Corp
Original Assignee
A B T Equipment Manufacturing Ltd
Herkules Equipment Corp
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=25418549&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0261469(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by A B T Equipment Manufacturing Ltd, Herkules Equipment Corp filed Critical A B T Equipment Manufacturing Ltd
Publication of EP0261469A1 publication Critical patent/EP0261469A1/fr
Application granted granted Critical
Publication of EP0261469B1 publication Critical patent/EP0261469B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

Definitions

  • the present invention relates to a device for cleaning objects which have come into contact with paint, in particular to a cleaning system for paint spray guns and paint containers.
  • Pneumatically operated paint spray guns have been known for a long time. These usually consist of the actual spray gun and an associated paint container, which is used to hold paint. There are three known variants of spray guns; in two of these known embodiments the paint container is located below, in the third known embodiment above the nozzle.
  • paint residues remain in the paint container and in the various parts of the spray gun, for example in the pipes and in the nozzle itself, but also on the outer jacket of the spray gun and the paint container.
  • the invention is therefore based on the object to provide a device which ensures thorough and automatic cleaning of the gun, the paint container and any paint mixing container from the inside and outside reliably, quickly and inexpensively.
  • An object of the invention is to use the device to convey the solvent under pressure into the interior of the spray gun, the paint container and / or the mixing container, while at the same time cleaning the outer casing of the spray gun and the container or containers.
  • Another object of the invention is to ensure a constant flow of the solvent to the individual parts to be cleaned.
  • the invention is intended to ensure that the liquid or dried paint which has been removed from the gun and the other objects is collected separately from the solvent and outside the working chamber in which the objects to be cleaned are located.
  • Another object of the invention is to provide a cleaning device with three different sections: a solvent reservoir, a reservoir in which the detached paint is collected and from which it is later removed, and a working chamber in which, separated from the other two sections, the items to be cleaned are stored.
  • such a device for removing paint consists of a closed housing which is divided into a working chamber and a liquid collection tank; the liquid collection tank holds the color solvent and another liquid that has a higher specific gravity than the solvent. Due to the higher specific weight of the paint compared to the solvent, it is deposited in the heavy liquid under the solvent. This results in a certain reprocessing of the solvent.
  • the device also has a spray device, wherein first, second and further outlets are provided, which are supplied with pressurized solvent.
  • the first outlet has both means for receiving and holding a spray gun, as well as means for causing the interior of the gun to flow through with solvent.
  • the device has a plane for receiving objects that are cleaned in a preferred position relative to the second opening, and a device for conveying the solvent from the reservoir or storage container to the spraying device.
  • the device also has further spray nozzles, which serve to remove paint from the surface of the objects to be cleaned. Furthermore, a carrier is provided which serves to rotate an ink container relative to the respective outlet; this ensures that the paint container can be cleaned from all sides. In addition, a locking means for the trigger of the spray gun is provided to hold the trigger in the working position, so that a continuous spraying is ensured.
  • FIG. 1 shows the cleaning and reprocessing device 10 according to the invention, which has a housing 12 with an essentially rectangular upper part 14.
  • the part 14 has at its lower end a circumferential shoulder 16, which is adjoined at the bottom by a lower part 18 designed as a rectangular cone, which ends with a bottom 20.
  • a drain valve 22 In the bottom 20 there is a drain valve 22.
  • the chamber 12 is held by several supports 24a-d, an upper support frame 26 and a further circumferential support frame 28 on which the shoulder 16 of the upper part 14 is supported.
  • the frame 26 also has a stiffening function for the housing 12, especially when the housing is made of plastic.
  • a hinged cover 32 which rests on a peripheral edge 27 of the housing 12.
  • a pump 40 is arranged on one of the supports 24a-d.
  • This pump can be an air-operated pump, for example.
  • the pump 40 has an inlet pipe 42, the filter-provided end of which extends into the solvent in the lower part 18, and an outlet pipe 44, which is located above the surface of the solvent 36.
  • the outlet pipe 44 is connected to the spray device 52, which is shown in detail in FIG. 2.
  • the pump 40 also has an inlet opening for compressed air.
  • Fig. 2 shown as a section through the housing 12, shows many of the essential features of the present invention.
  • a mesh fabric preferably a wire mesh 50, which rests on the circumferential shoulder 16 of the housing 12.
  • a working chamber 72 is divided from the housing 12, below which the lower part 12, which is designed as a rectangular cone and in which the solvent 36 and the water 34 are located, is arranged.
  • the objects to be cleaned lie on the surface formed by the wire mesh 50.
  • the spray device 52 which consists of a holder 54 which is fastened to the lower part 18 by means of supports 55 or equivalent means.
  • the spray device 52 has an inlet connection 56 connected to the outlet pipe 44 of the pump 40, and also a plurality of outlets 60, 62 and 64a-d, as also shown in FIG. 1. These outlets extend through the openings 70 in the grid 50 into the working chamber 72.
  • the spray device 52 has a first outlet 60 with a first tube 74 which extends through one of the openings 70a.
  • a spray head 80 On this tube 74 there is a spray head 80, over which a paint container 82 of a spray gun 84 can be placed, so as to be cleaned from the inside.
  • This spray gun 84 shown in FIG. 2 is designed in the manner of a siphon; its inlet consists of a siphon tube 94 which is received and held by the step-shaped passage 92.
  • the tube 90 can be provided at its open end 98 with a thread 96 for receiving an adapter for a gravity spray gun.
  • an adapter for a gravity spray gun Such adapters will be dealt with in detail later.
  • the type of siphon spray gun 84 has a trigger 100, a nozzle 102, an extension 106 of the siphon tube and a cap 104 for receiving a paint container 82.
  • the pressurized solvent is pressed through the pipe 90 into the siphon pipe 94 of the spray gun 84, the trigger valve 100 of the spray gun being held in the working position, which is achieved by a trigger lock 110.
  • the trigger lock 110 is designed so that a larger number of differently designed trigger cocks can be held in the working position. 3 shows such a trigger lock 110.
  • a trigger valve 100 extends from the extension tube 106; 4, the trigger valve 130 may also be connected to a movable plunger 132 which regulates the amount of paint that is passed to the spray nozzle 136.
  • This trigger valve mechanism forms a small, substantially rectangular opening 138 between piston 132 and the adjacent parts of the spray gun.
  • the paint is metered in by means of a trigger valve 140 that is movable relative to the hand knob 142 of the gun.
  • the trigger lock 110 is constructed so that it can be used to operate any of the three trigger valves described above.
  • This trigger lock consists of a flat plate 112, which has a disk-shaped enlarged end 114 with a recess 116, which engages the extension tube 106 of the spray gun 84, as shown in FIG. 2.
  • the trigger lock 110 also has a plurality of catches 118, which are arranged with different radius r1, r2 etc., from the recess 116 on the disk-shaped enlarged end 114, and which are designed to receive the trigger 100 of the pistol and can operate. After the trigger 100 has been depressed by hand and the trigger lock is connected to the inlet pipe 106 by means of the recess 116, the trigger lock 110 is rotated so far that one of the catches 118 securely grips the depressed trigger 100 and holds it in the predetermined position .
  • the pointed end 120 of the trigger lock 110 (when the trigger 130 is depressed) is inserted into the space 138, whereby the trigger 130 is also held in its predetermined position.
  • the trigger lock 110 has a bore 150 which receives a fastener 152 which is connected to one end of a chain 154.
  • the other end of the chain 154 is fastened within the working chamber 72 by a further fastening element 156, for example on the housing 12 or the braid 50.
  • the chain 154 has a hook 158, which makes it possible to place a loop around the handle 142 and the depressed trigger valve of the gravity spray gun (FIG. 4a), and thus to keep the trigger valve in the predetermined position.
  • the spray device 52 has additional outlets 64a-d.
  • these additional outlets have tubing extending from the holder 54 into the working chamber 72.
  • These additional outlets 64 which are designed as pipelines, are each located in one of the inner corners of the rectangular upper part 14.
  • Each of these outlets 64 is provided at the end with a spray nozzle 66, which brings about the cleaning of the surfaces of the objects located in the working chamber.
  • FIG. 4a shows a gravity spray gun 139 in which the paint container 144 is located on the barrel 146.
  • this type of gun can also be cleaned by the device according to the invention, however an adapter 350 is required for this, which is also shown in FIG. 4a.
  • the adapter 350 can be connected to the gun by means of a thread or by simply pushing it into the paint inlet opening 351.
  • the same procedure is followed if the ink inlet opening 351 is not arranged vertically but horizontally, ie laterally, on the gun barrel; the gun is then held in the correspondingly pivoted position by the top tube 90.
  • the ink container 144 is cleaned in a known manner.
  • FIG. 4b shows another embodiment of the adapter 350.
  • This adapter 360 is designed as a hollow fitting element 362, one end 366 of which is provided with an opening 364 for receiving the attachment tube 90.
  • the other end 368 of the fitting element 362 is designed such that the paint inlet opening 351 of the gun 139 can be plugged onto it.
  • a ring 370 is provided to hold the gun in the raised position.
  • FIGS. 5 and 6 show means for cleaning a paint container 200.
  • FIG. 5 shows the attachment tube 90 which is placed on the outlet 62 of the spraying device 52 and which receives a hollow cylinder 202.
  • This hollow cylinder 202 is located within a cylindrical sleeve 206, which is connected to the carrier 204, which receives the ink container 200.
  • the carrier 204 here consists of a plurality of arms 210 a - e, which extend radially from the cylindrical sleeve 206. Each of these arms has a groove 214a-d on its upper side 212 for receiving and fastening the edge 216 of a paint container 200.
  • the rim 216 of a paint container consists of an inner lip 219 and an outer lip 221, as shown in Fig. 5a.
  • the hollow cylinder 202 has a thread at its end 218, on which there is a spray nozzle 220 which sprays the interior of the paint container 200 with solvent b.
  • the spray nozzle 220 here consists of the vertical spray head 225, which preferably has a relatively wide spray pattern, and a further inclined spray head 227, which is directed onto the inner lip 219 of the edge 216 of the paint container 200, this spray head 227 having a very narrow spray pattern .
  • additional spray heads 229 are provided on the spray device 52, which generate a concentrated spray jet which is directed onto the outer lip 221 of the edge 216.
  • the same result is obtained when the nozzle is firmly connected to the hollow cylinder 202 by the thread 218 and the carrier rotates relative to the nozzle 220.
  • the sleeve rotating on the top tube 90 is designed as a liner. If necessary, a separate sleeve 207 can be provided between the cylindrical sleeve 206 and the top tube 90.
  • the pressurized liquid flowing out of the nozzle 230 when striking the arms 210 of the carrier 204, causes the carrier to rotate about the hollow cylinder 202 relative to the fixed spray nozzle 220.
  • the nozzle 230 can alternatively be operated with compressed air or with pressure standing solvent are supplied.
  • FIG. 6 shows various alternative embodiments of the cleaning mechanism for an ink container shown in FIG. 5.
  • an adapter 240 provided with a tip is provided, which is arranged in the carrier 54 Outlet 60 is added.
  • the adapter has a shoulder 242 on which the sleeve 206 of the carrier 204 rotatably rests.
  • the sleeve 206 acts as a liner and allows the carrier to rotate on the adapter 240, as previously described.
  • the carrier 204 can also be stationary and the nozzle 220 can be rotatably attached to the end of the adapter 240.
  • FIG. 6 shows a further embodiment of the invention.
  • one or more brushes 250 are provided, each arranged on a flexible rod 252, which, due to the flexible fastening, exert a resilient force on the inner lip 219 of the edge 216 of the paint container 200.
  • the brushes are connected to the nozzle 220, so that when the nozzle 220 rotates, it rotates relative to the carrier 204, thereby freeing the lip 219 of solvent and paint. The same effect is achieved when the carrier 204 rotates and the nozzle 220 stops.
  • this container is additionally fixed on the carrier 204. The exact number of brushes and the orientation of the brushes can be varied as required.
  • the carrier 204 with the arms 210 is arranged at an angle relative to the vertical. 5 and 6, on the one hand the carrier 204 can be rotated, and on the other hand the nozzle 220 can be rotatable, the other part being fixed in each case.
  • the solvent and the dissolved paint which have accumulated, for example, in the lip 219 of the rim 216, are thrown around in the paint container 200 by the rotary movement and thereby fall through the openings in the carrier.
  • the spray nozzle With the spray nozzle stationary, it is advantageous to point the spray nozzle 227 preferably against the erected part of the edge 216.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)
EP87112856A 1986-09-05 1987-09-03 Appareil pour le nettoyage d'objets qui ont été en contact avec des peintures Expired - Lifetime EP0261469B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06904097 US4793369B1 (en) 1986-09-05 1986-09-05 Spray gun and associate parts washer and recycler
US904097 1992-06-25

Publications (2)

Publication Number Publication Date
EP0261469A1 true EP0261469A1 (fr) 1988-03-30
EP0261469B1 EP0261469B1 (fr) 1990-03-21

Family

ID=25418549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112856A Expired - Lifetime EP0261469B1 (fr) 1986-09-05 1987-09-03 Appareil pour le nettoyage d'objets qui ont été en contact avec des peintures

Country Status (5)

Country Link
US (1) US4793369B1 (fr)
EP (1) EP0261469B1 (fr)
CA (1) CA1299468C (fr)
DE (1) DE3761950D1 (fr)
ES (1) ES2013620B3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939403A1 (de) * 1989-11-29 1991-06-06 Continental Lack & Farben Verfahren zum reinigen von mehrwegkunststoffbehaeltern fuer farben
DE9301281U1 (de) * 1993-01-30 1993-04-01 Dürr Metalltechnik, 7406 Mössingen Vorrichtung zum Reinigen von Arbeitsgeräten von Malerbetrieben
WO1997035672A1 (fr) * 1996-03-28 1997-10-02 Edwin Trisk Systems Limited Equipement de nettoyage pour pistolets a peinture
CN105935638A (zh) * 2016-06-30 2016-09-14 广州飞机维修工程有限公司 一种飞机静电喷漆枪清洗辅助设备

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500681C2 (sv) * 1990-02-19 1994-08-08 Drester Ab Anordning för rengöring av sprutpistoler
CA2046168A1 (fr) * 1991-07-03 1993-01-04 Mitchell Anderson Evier de laiterie economiseur d'eau
US5213117A (en) * 1991-07-05 1993-05-25 Soichiro Yamamoto Parts washer
US5220933A (en) * 1991-12-06 1993-06-22 Albers Terry A Cleaning tank
US5385159A (en) * 1993-08-11 1995-01-31 Mead; Rodney D. Parts washer
US5937875A (en) * 1996-09-30 1999-08-17 Nygren; Richard Apparatus and method for cleaning sprayers
US7216655B2 (en) * 1998-01-09 2007-05-15 Entegris, Inc. Wafer container washing apparatus
US5947137A (en) * 1998-11-18 1999-09-07 Sheafer; Tim Draw-tube solvent retaining and draining cover
US6363952B1 (en) 1999-12-09 2002-04-02 Daimlerchrysler Corporation Cleaning apparatus for paint applicator heads
US6550489B1 (en) * 2000-07-18 2003-04-22 James Patrick Yates Recirculating, low pressure hot water parts washing apparatus
TW509113U (en) * 2001-05-15 2002-11-01 Chia Chung Prec Ind Co Ltd Automatic washing device for paint spraying gun
CN2511399Y (zh) * 2002-01-11 2002-09-18 洽昌工业股份有限公司 喷漆枪的清洗设备
US20080087308A1 (en) * 2004-01-16 2008-04-17 Mark Ehlman Scuderi Parts washer with solvent recycler
US7815132B2 (en) * 2008-08-12 2010-10-19 Illinois Tool Works Inc. Method for preventing voltage from escaping fluid interface for water base gravity feed applicators
USD620511S1 (en) * 2010-02-02 2010-07-27 Rudy Publ Solvent recycler
USD750852S1 (en) 2012-09-07 2016-03-01 Sata Gmbh & Co. Kg Paint spray gun cleaning device
CN102989704A (zh) * 2012-11-26 2013-03-27 吴江市金真缝纫机有限公司 喷气织机喷嘴的清洗装置及清洗方法
USD734571S1 (en) * 2013-11-12 2015-07-14 Sata Gmbh & Co. Kg Paint spray gun cleaning device
CN109482605A (zh) * 2018-10-27 2019-03-19 徐州巨业机械制造有限公司 一种机械设备的处理器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948285A (en) * 1955-06-03 1960-08-09 Benjamin F Poe Equipment for cleaning spray guns and other jet equipped machines
US4025363A (en) * 1976-01-12 1977-05-24 Benito De Santis Spray equipment cleaner
EP0034290A1 (fr) * 1980-02-15 1981-08-26 in het Veld, Gerhardus Lambertus Récipient pour solvant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682273A (en) * 1950-09-01 1954-06-29 Evron L Kline Apparatus for cleaning paint spray guns and the like
US3076048A (en) * 1960-09-22 1963-01-29 Standard Oil Co Alkylation process
US3336463A (en) * 1964-11-04 1967-08-15 Bert B Johnson Portable electric air heater and dehumidifier for paint spray guns
US3542070A (en) * 1968-03-25 1970-11-24 All Power Mfg Co Plural passage rotary valve
US3433430A (en) * 1968-05-17 1969-03-18 Marshall John D Fabric windup mechanism
US3711539A (en) * 1968-09-03 1973-01-16 Du Pont Nonsolvent air oxidation of p-xylene
US3707404A (en) * 1971-05-12 1972-12-26 Build All Fabricating Inc Parts washer and method of solvent cleaning
US3890988A (en) * 1971-10-08 1975-06-24 Solv X Inc Cleaning assembly for automotive parts and the like
US3904431A (en) * 1974-08-08 1975-09-09 David Dinerman Spray-gun cleaners
US4133340A (en) * 1977-04-18 1979-01-09 Ballard Thomas B Cleaning machine for simultaneously cleaning the interior and exterior of hollow articles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948285A (en) * 1955-06-03 1960-08-09 Benjamin F Poe Equipment for cleaning spray guns and other jet equipped machines
US4025363A (en) * 1976-01-12 1977-05-24 Benito De Santis Spray equipment cleaner
EP0034290A1 (fr) * 1980-02-15 1981-08-26 in het Veld, Gerhardus Lambertus Récipient pour solvant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939403A1 (de) * 1989-11-29 1991-06-06 Continental Lack & Farben Verfahren zum reinigen von mehrwegkunststoffbehaeltern fuer farben
DE9301281U1 (de) * 1993-01-30 1993-04-01 Dürr Metalltechnik, 7406 Mössingen Vorrichtung zum Reinigen von Arbeitsgeräten von Malerbetrieben
WO1997035672A1 (fr) * 1996-03-28 1997-10-02 Edwin Trisk Systems Limited Equipement de nettoyage pour pistolets a peinture
CN105935638A (zh) * 2016-06-30 2016-09-14 广州飞机维修工程有限公司 一种飞机静电喷漆枪清洗辅助设备

Also Published As

Publication number Publication date
CA1299468C (fr) 1992-04-28
ES2013620B3 (es) 1990-05-16
EP0261469B1 (fr) 1990-03-21
DE3761950D1 (de) 1990-04-26
US4793369B1 (en) 1994-05-03
US4793369A (en) 1988-12-27

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