US2786000A - Method for cleaning paint spray guns and the like - Google Patents

Method for cleaning paint spray guns and the like Download PDF

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US2786000A
US2786000A US411087A US41108754A US2786000A US 2786000 A US2786000 A US 2786000A US 411087 A US411087 A US 411087A US 41108754 A US41108754 A US 41108754A US 2786000 A US2786000 A US 2786000A
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gun
cleaning
paint
paint spray
solvent
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US411087A
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James E Roach
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EVRON L KLINE
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EVRON L KLINE
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/006—Devices for cleaning paint-applying hand tools after use
    • 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
    • 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
    • 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

Definitions

  • the present invention relates broadly to methods of. cleaning equipment, and in its specific phases to a method of cleaning paint spray guns.
  • Spray painting has become a big industry and is used for the painting of items varying in size from small articles to buildings.
  • a days work is over, or the color or kind of paint being sprayed is to be changed the paint spray gun must be thoroughly cleaned both inside and out or else it will not be in proper condition for reuse.
  • the standard procedure for doing this cleaning of paint spray guns has been to immerse same in a suitable solvent such as thinner, turpentine, gasoline, naptha, benzol, or the like. After the paint or the like on or in the gun has been soaked loose, it is common practice to rinse it off with a solvent and then throw the solvent away.
  • Another object is to provide a new method for cleaning paint spray guns wherein the same solvent may be used several times before it is necessary to discard same.
  • Another object is to provide a paint spray gun cleaning method which permits simultaneously cleaning both the inside and outside of the gun.
  • Another object is to provide a method of cleaning paint spray guns, and the like, wherein a suitable solvent is sprayed under pressure onto the gun being cleaned so as to not only dissolve the accumulated material thereon,
  • a further object of the present invention is to provide an improved and highly simplified method of cleaning paint spray guns and the like wherein a suitable solvent is forced through the gun and out its nozzle, and simultaneously a suitable solvent is sprayed over the gun under pressure to clean the outer surface of same.
  • Figure 1 shows a partially sectioned front elevational view of a preferred form of the present cleaning apparatus with the front removed.
  • Figure 2 shows a top view of the apparatus of Figure l with the top panel removed.
  • Figure 3 shows a partially sectioned side elevational view was taken from the right side of Figure 1 with the side and can cleaner removed.
  • Figure 4 shows an enlarged center sectional view through a preferred form of one of thenozzles used in the present cleaning apparatus.
  • the present cleaning apparatus 1 has a housing 2 with a liquid tight bottom panel 3, and a fluid tight top panel 4.
  • Vent connection 5 may extend upward from top panel 4, or any other convenient location in the upper portion of housing 2, and the showing is intended to be considered as diagrammatic of the various positions it may take within the scope of this invention.
  • the front of the housing is provided with a door 6 which is mounted on hinges 7 and provided with a latch 8. In preferred construction this door would be provided with a conventional gasket (not shown) of synthetic rubber to prevent leakage during operation of the apparatus.
  • Bottom panel 3 of the housing will also be provided with a petcock 9 for use in withdrawing solvent from the apparatus whenever desired.
  • the back panel of the housing 2 is preferably provided with upturned vapor vents 10 for a purpose to be hereinafter explained.
  • the whole assembly when not used as a bench model, is provided with suitable length supporting legs 11.
  • Pipe 12 connected to a suitable source of air under pressure, (not shown), has connected to it valves 13, 14, and 15 by means of fittings 16, 17, and 18.
  • Valve 13 is connected to a pipe 19 which extends through the front of housing 2 and thence substantially to the top of same where it forms a return bend member 20 which is provided with a multiplicity of perforations 21 in its under face for use in blowing solvent off of the paint spray gun 22, shown by dotted lines in Figure 3, after same has been cleaned and is ready to be removed from the housing.
  • Valve 14 is connected to pipe 23, Figure 3, to which is connected a T-member 24 on which is mounted an air chuck 25 adapted to receive and hold paint spray gun 22.
  • Nipple 26 connects T-member 24 to a second T-member 27 which is conventionally joined to both ends of a return bend tube 28 on which are mounted several spray nozzle assemblies 29 by means of tubes 30.
  • the spray. nozzle assemblies 29, Figure 4 utilizes a tubular body member 31 open at its lower end for a purpose to be hereinafter set forth and provided with a nozzle 32 at its upper end.
  • Tube 30, .which is of smaller size than tubular body member 31, preferably extends through the side of same and has its open end directed toward nozzle 32.
  • These nozzle assemblies can be directed at the outer surface of the spray gun from various angles and one of the nozzles is preferably aimed at a splash plate member 33 mounted on the back wall of housing 2, which will direct sprayed cleaning fluid over the nozzle end of the spray gun and paint can cover member 42 of same.
  • a ring member 34, Figure 3 may be used to hold the trigger 40 of the paint spray gun 22 in spraying position, as shown, for a purpose to be hereinafter described.
  • a can 35 Mounted on the bottom of a spray gun, when in use, is a can 35, shown by dotted lines in Figures 1 and 2, and in which is placed the paint or other liquid to be sprayed.
  • This can 35 also needs cleaning along with the spray gun and accordingly a clamp 36 is mounted, as by means of screw 37, inside of housing 2 so as to hold the paint can 35 with its open end down. In this position the spraying of cleaning liquid, by means of spray nozzle assemblies 29, will clean and flush the outer face of can 35.
  • the inside of the can is cleaned by means of a spray nozzle 29a connected by means of a pipe 38 to valve 15;"
  • the upper end of spray nozzle 2% is preferably provided with a spreader member 39 which causes the sprayjo be.flared outward and to whirl in orderto give more rapid cleaning action.
  • the .cleaningapparatus 1 has its vent connection 5'connect'edfor-exhaust throughla suitable Pip [0 the outdoor atmosphere, while pipe 12 is connected to. a suitable source of .air pressure which, forinstance, may be at a gage pressure of 35 pounds per square inch, although this pressure can vary over a wide range and still, be completely satisfactory.
  • a suitable source of .air pressure which, forinstance, may be at a gage pressure of 35 pounds per square inch, although this pressure can vary over a wide range and still, be completely satisfactory.
  • the bottom of housing 2 being, liquid tight can be filled with a suitable cleaning liquid .to alevel below the tops of spray nozzle assemblies 29*and 29a. For most purposes, about an inch or two of cleaning'liquid in the bottom of housing 2 will meet ordinary.
  • The'open lower-end oftubular body member 31 of the spraynozzles 29 and 29a is closely adjacent but spaced frombottompanel 3"of'housing 2'so that when the air valves 14 and 15 'areopened the air flowing through tubes -will cause EVSllCllOIY'fifieCt which will draw the solvent liquid up through tubular body member 31 and cause it to besprayed with the air out of nozzle 32.
  • the paint spraygun can 35 is first mounted in the position shown in dotted *lines-in' Figures 1 and 2.
  • Removable clip 34 is then mounted on the paint spray gun 22 to holdthe trigger 40in retracted or spraying position.
  • the gun 22 is then mounted on the air chuck 25 in the positionsh'own' in dotted lines in Figure 3 with the paint flow tube 4l exte'nding substantially to the bottom of housing 2;-
  • the opening ofvalve 14 will then force air through-paint spray gun 22 'and in doing so will draw cleaning 'flui'dup through. paint flow tube 41 of the "gun andflush out the'insi'de of same.
  • the openingofvalve 15 in turn will cause spray nozzle 29a.to'spraycleaning.fiuidinto theinside .of the can to cleanand-fiuslisam'e; Both .valves.14 and 15 can be operatedsimultaneously ifldesired, and under actual practice the :cleaningeof arspray gun andcan, in most cases, can be accomplishedlvery thoroughly in'less than a minute. Valves l4'and l5 will then be closed and valve 13 opened to blowair:through return bend pipe 20 and perforations'21,,onto -the paint spray gun 22 to quickly 4- dry same ready for removal through door 6.
  • the present-invention is a: division of my, copending patent application Serial No. 182,729, filed September 1, 1950, which was granted June 29, 1954, as Patent No. 2,682,273;

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)

Description

' March 19, 1957 J. E. ROACH 2,786,000
METHOD FCR CLEANING PAINT SPRAY GUNS AND LIKE Original Filed Sept. 1, 1950 '11 s @rm nil ow 1 1 r;l" h
INVENTQR James E. Roach ORNEY United States Patent METHOD FOR CLEANING PAINT SPRAY GUNS AND THE LIKE James E. Roach, Battle Creek, Mich., assignor to Evron L. Kline, Battle Creek, Mich.
Original application September 1, 1950, Serial No. 182,729, now Patent No. 2,682,273, dated June 29, 1954. Divided and this application February 18, 1954, Serial No. 411,087
3 Claims. (Cl. 134-21) The present invention relates broadly to methods of. cleaning equipment, and in its specific phases to a method of cleaning paint spray guns.
Spray painting has become a big industry and is used for the painting of items varying in size from small articles to buildings. Each time that a job is finished, a days work is over, or the color or kind of paint being sprayed is to be changed, the paint spray gun must be thoroughly cleaned both inside and out or else it will not be in proper condition for reuse. The standard procedure for doing this cleaning of paint spray guns has been to immerse same in a suitable solvent such as thinner, turpentine, gasoline, naptha, benzol, or the like. After the paint or the like on or in the gun has been soaked loose, it is common practice to rinse it off with a solvent and then throw the solvent away. The solvent thus discarded makes this procedure costly and moreover the cleaning of the spray gun in this manner is not as good a is normally desirable. It was a recognition of these shortcomings in the spray painting art and the complete lack of a thoroughly satisfactory apparatus for economically and thoroughly cleaning paint spray guns, which led to the conception and development of the present invention.
Accordingly among the objects of the present invention is the provision of a new method suitable for the efiicient and economical cleaning of paint spray guns.
Another object is to provide a new method for cleaning paint spray guns wherein the same solvent may be used several times before it is necessary to discard same.
Another object is to provide a paint spray gun cleaning method which permits simultaneously cleaning both the inside and outside of the gun.
Another object is to provide a method of cleaning paint spray guns, and the like, wherein a suitable solvent is sprayed under pressure onto the gun being cleaned so as to not only dissolve the accumulated material thereon,
but forcibly flush it away.
A further object of the present invention is to provide an improved and highly simplified method of cleaning paint spray guns and the like wherein a suitable solvent is forced through the gun and out its nozzle, and simultaneously a suitable solvent is sprayed over the gun under pressure to clean the outer surface of same.
Still further objects and advantages of the present invention will appear as the description proceeds.
To the accomplishment of the foregoing and related ends, the invention, then, consists of the method steps hereinafter fully described and particularly pointed out in the claims, the annexed drawing, and the following description setting forth in detail certain modes of carrying out the invention, such disclosed modes illustrating, however, but one of the various ways in which the principles of the invention may be used.
In the annexed drawing:
Figure 1 shows a partially sectioned front elevational view of a preferred form of the present cleaning apparatus with the front removed.
'ice
Figure 2 shows a top view of the apparatus of Figure l with the top panel removed.
Figure 3 shows a partially sectioned side elevational view was taken from the right side of Figure 1 with the side and can cleaner removed.
Figure 4 shows an enlarged center sectional view through a preferred form of one of thenozzles used in the present cleaning apparatus.
Referring more particularly to the drawing, it will be noted that the present cleaning apparatus 1 has a housing 2 with a liquid tight bottom panel 3, and a fluid tight top panel 4. Vent connection 5 may extend upward from top panel 4, or any other convenient location in the upper portion of housing 2, and the showing is intended to be considered as diagrammatic of the various positions it may take within the scope of this invention. The front of the housing is provided with a door 6 which is mounted on hinges 7 and provided with a latch 8. In preferred construction this door would be provided with a conventional gasket (not shown) of synthetic rubber to prevent leakage during operation of the apparatus. Bottom panel 3 of the housing will also be provided with a petcock 9 for use in withdrawing solvent from the apparatus whenever desired. The back panel of the housing 2 is preferably provided with upturned vapor vents 10 for a purpose to be hereinafter explained. The whole assembly, when not used as a bench model, is provided with suitable length supporting legs 11.
Pipe 12, connected to a suitable source of air under pressure, (not shown), has connected to it valves 13, 14, and 15 by means of fittings 16, 17, and 18. Valve 13 is connected to a pipe 19 which extends through the front of housing 2 and thence substantially to the top of same where it forms a return bend member 20 which is provided with a multiplicity of perforations 21 in its under face for use in blowing solvent off of the paint spray gun 22, shown by dotted lines in Figure 3, after same has been cleaned and is ready to be removed from the housing.
Valve 14 is connected to pipe 23, Figure 3, to which is connected a T-member 24 on which is mounted an air chuck 25 adapted to receive and hold paint spray gun 22. Nipple 26 connects T-member 24 to a second T-member 27 which is conventionally joined to both ends of a return bend tube 28 on which are mounted several spray nozzle assemblies 29 by means of tubes 30.
The spray. nozzle assemblies 29, Figure 4, utilizes a tubular body member 31 open at its lower end for a purpose to be hereinafter set forth and provided with a nozzle 32 at its upper end. Tube 30, .which is of smaller size than tubular body member 31, preferably extends through the side of same and has its open end directed toward nozzle 32. These nozzle assemblies can be directed at the outer surface of the spray gun from various angles and one of the nozzles is preferably aimed at a splash plate member 33 mounted on the back wall of housing 2, which will direct sprayed cleaning fluid over the nozzle end of the spray gun and paint can cover member 42 of same. A ring member 34, Figure 3, may be used to hold the trigger 40 of the paint spray gun 22 in spraying position, as shown, for a purpose to be hereinafter described.
Mounted on the bottom of a spray gun, when in use, is a can 35, shown by dotted lines in Figures 1 and 2, and in which is placed the paint or other liquid to be sprayed. This can 35 also needs cleaning along with the spray gun and accordingly a clamp 36 is mounted, as by means of screw 37, inside of housing 2 so as to hold the paint can 35 with its open end down. In this position the spraying of cleaning liquid, by means of spray nozzle assemblies 29, will clean and flush the outer face of can 35. The inside of the can is cleaned by means of a spray nozzle 29a connected by means of a pipe 38 to valve 15;" The upper end of spray nozzle 2% is preferably provided with a spreader member 39 which causes the sprayjo be.flared outward and to whirl in orderto give more rapid cleaning action. V
In use, the .cleaningapparatus 1 has its vent connection 5'connect'edfor-exhaust throughla suitable Pip [0 the outdoor atmosphere, while pipe 12 is connected to. a suitable source of .air pressure which, forinstance, may be at a gage pressure of 35 pounds per square inch, although this pressure can vary over a wide range and still, be completely satisfactory. The bottom of housing 2 being, liquid tight can be filled with a suitable cleaning liquid .to alevel below the tops of spray nozzle assemblies 29*and 29a. For most purposes, about an inch or two of cleaning'liquid in the bottom of housing 2 will meet ordinary. requirements and" same will reach approximately halfiwaydo" the top of spraynozzle assemblies 29*and 2911, At "thesame'time, this level should not be higher'thanithe'bottont of vapor vents which relieve the'suction .pressure created within housing 2 under operation of the'spray nozzles.
The'open lower-end oftubular body member 31 of the spraynozzles 29 and 29a is closely adjacent but spaced frombottompanel 3"of'housing 2'so that when the air valves 14 and 15 'areopened the air flowing through tubes -will cause EVSllCllOIY'fifieCt which will draw the solvent liquid up through tubular body member 31 and cause it to besprayed with the air out of nozzle 32.
To use thepresent-spray gun cleaning apparatus, the paint spraygun can 35 is first mounted in the position shown in dotted *lines-in' Figures 1 and 2. Removable clip 34 is then mounted on the paint spray gun 22 to holdthe trigger 40in retracted or spraying position. The gun 22 is then mounted on the air chuck 25 in the positionsh'own' in dotted lines in Figure 3 with the paint flow tube 4l exte'nding substantially to the bottom of housing 2;- The opening ofvalve 14 will then force air through-paint spray gun 22 'and in doing so will draw cleaning 'flui'dup through. paint flow tube 41 of the "gun andflush out the'insi'de of same. At the same time, air Will -flow 'through' the spray nozzle assemblies 29'and spray cleaning liquid over the outside of the spray gun to dissolveiandnflush away the paint which has accumulatedi'thereon: This spraying of course will also clean andi-flushxpaint fromuthe'outer surface of can 35.
The openingofvalve 15 in turn will cause spray nozzle 29a.to'spraycleaning.fiuidinto theinside .of the can to cleanand-fiuslisam'e; Both .valves.14 and 15 can be operatedsimultaneously ifldesired, and under actual practice the :cleaningeof arspray gun andcan, in most cases, can be accomplishedlvery thoroughly in'less than a minute. Valves l4'and l5 will then be closed and valve 13 opened to blowair:through return bend pipe 20 and perforations'21,,onto -the paint spray gun 22 to quickly 4- dry same ready for removal through door 6. After the cleaning fiuidlias become suflicintly contaminated with paint and the like, it can be withdrawn through petcock 9 and discarded, following whicha fresh supply of cleaning fluid can be placed in. housing 2 so as to be ready for use once more.
The present-invention is a: division of my, copending patent application Serial No. 182,729, filed September 1, 1950, which was granted June 29, 1954, as Patent No. 2,682,273;
Other modes of applying the principle of'my invention may be employed: instead of the oneexplained, change being. made. as regards the steps herein disclosed, providedthose stated by any of the 'following claim's-or their equivalent be employed.
1 therefore particularly point out and distinctly claim as my invention:
1. The method of cleaning a paint spray gun with the paint supply tube 'of the gun extending'into a body of solvent liquid, which"":c0mprises'the steps'of' passing air under pressure through said gun to draw said'solvent liquid through said gunto clean the interior thereof, and separately. spraying a portion of said liquid solvent over saidguntoclean th'e'outer surface'of'sam'e.
2.' The meth'od'of cleaninga paint spray gun with the paint supply tube 'of said gun 'extendinginto a body of solvent liquid, which 'consists'ofthe steps of passing air under pressure through said' gun to draw said solvent liquid-through said gun to clean the interior thereof, and simultaneously separately withdrawing some of said liquid solvent from said body thereof and spraying it under air pressure over said gun to clean the outer surface thereof.
3. The method of. cleaning a paint spray gun with the paintsupply tube of said gun extending'into a body of liquid solvent, which consists of 'the steps of passing air under pressure through said gun to draw said liquid solventthrough said gun to clean the interior thereof, simultaneously separately withdrawing some-of said liquid solvent from said'body thereof and spraying it under air pressure over saidgun to clean the outer surface thereof, and drying the outer surface of said gun by blowing air overit under pressure'after stoppingthe flow of said liquid'solvent through and over said gun and before removing the latter.
References Citedin'the file of this patent UNITED STATES PATENTS 620,224 -Bubser Feb. 28, 1899 831,084 Lisa Sept. 18, 1906 1,438,834 Keil Dec. 12, 1922 2,309,251 Little Jan..26, 1943 2,536,208 Nystrom Jan. 2, 1951 2,598,963 Armstrong June 3, 1952

Claims (1)

1. THE METHOD OF CLEANING A PAINT SPRAY GUN WITH THE PAINT SUPPLY TUBE OF THE GUN EXTENDING INTO A BODY OF SOLVENT LIQUID, WHICH COMPRISES THE STEPS OF PASSING AIR UNDER PRESSURE THROUGH SAID GUN TO DRAW SAID SOLVENT LIQUID THROUGH SAID GUN TO CLEAN THE INTERIOR THEREOF, AND SEPARATELY SPRAYING A PROTION OF SAID LIQUID SOLVENT OVER SAID GUN TO CLEAN THE OUTER SURFACE OF SAME.
US411087A 1950-09-01 1954-02-18 Method for cleaning paint spray guns and the like Expired - Lifetime US2786000A (en)

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US3089792A (en) * 1960-03-01 1963-05-14 Karl A Skardal Method of cleansing spray tubes
US3119399A (en) * 1962-01-04 1964-01-28 Lloyd F Bender Apparatus for washing milk conducting lines
US4793369A (en) * 1986-09-05 1988-12-27 Herkules Equipment Corporation Spray gun and associate parts washer and recycler
US4823820A (en) * 1987-07-28 1989-04-25 Safety-Kleen Corp. Solvent vapor collection and evacuation system
US4923522A (en) * 1989-01-19 1990-05-08 Bsd Enterprises, Inc. Method and device for cleaning a spray gun assembly
US4960142A (en) * 1987-12-21 1990-10-02 Herrules Equipment Corporation Paint cleaning apparatus
US5025818A (en) * 1989-09-06 1991-06-25 Kalar David L Paint pump cleaning system
US5106428A (en) * 1989-04-07 1992-04-21 Automated Cleaning Systems, Inc. Method for cleaning containers
US5220933A (en) * 1991-12-06 1993-06-22 Albers Terry A Cleaning tank
US5485860A (en) * 1986-09-05 1996-01-23 Herkules Equiptment Corp. Spray gun and associate parts washer and recycler
US5937875A (en) * 1996-09-30 1999-08-17 Nygren; Richard Apparatus and method for cleaning sprayers
US5947137A (en) * 1998-11-18 1999-09-07 Sheafer; Tim Draw-tube solvent retaining and draining cover
US20030172964A1 (en) * 2002-01-11 2003-09-18 Iung-Jie Huang Clean-up equipment of the spraying paint gun
US6732751B2 (en) * 2001-05-15 2004-05-11 Chia Chung Enterprise Co., Ltd. Automatic cleaning apparatus for paint sprayer gun
WO2008022764A1 (en) * 2006-08-24 2008-02-28 Volkswagen Aktiengesellschaft Cleaning apparatus for sprayers, in particular spray guns, and method for cleaning a sprayer
USD734571S1 (en) * 2013-11-12 2015-07-14 Sata Gmbh & Co. Kg Paint spray gun cleaning device
USD750852S1 (en) 2012-09-07 2016-03-01 Sata Gmbh & Co. Kg Paint spray gun cleaning device

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US3771539A (en) * 1972-05-19 1973-11-13 Santis B De Paint gun cleaner
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US4785836A (en) * 1987-07-17 1988-11-22 Soichiro Yamamoto Spray washer
US4899769A (en) * 1988-10-13 1990-02-13 Tsai Mu Yuan T Paint spray-gun cleaner
US5201331A (en) * 1991-03-08 1993-04-13 R. R. Donnelley & Sons Co. Vapor containment apparatus and method
US5388601A (en) * 1994-03-15 1995-02-14 Mansur; Pierre G. Spray gun washing apparatus
US5549128A (en) * 1995-02-24 1996-08-27 Mansur Industries Inc. General parts washer
US5669401A (en) * 1995-09-22 1997-09-23 Mansur Industries Inc. General washer apparatus
US5704381A (en) * 1996-01-25 1998-01-06 Northrop Grumman Corporation Enclosed spray gun and accessories cleaning apparatus
US7128539B2 (en) * 2002-05-31 2006-10-31 Titan Tool, Inc Method for improved cleaning of a pumping system
US9221068B2 (en) * 2013-10-09 2015-12-29 Philip Jessup Apparatus for non-contact cleaning a paint spray tip
IT201700073887A1 (en) * 2017-07-03 2019-01-03 Giancarlo Codutti "AIRBRUSH CLEANER SYSTEM AND ITS CLEANING METHOD"
US20180126018A1 (en) * 2017-10-30 2018-05-10 Eric Talner Low-pressure system including dry steam for cleaning smoking accessories
CN108212617B (en) * 2018-03-08 2019-11-26 广汽本田汽车有限公司 The outer cleaning device of coating machine line

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US5947137A (en) * 1998-11-18 1999-09-07 Sheafer; Tim Draw-tube solvent retaining and draining cover
US6732751B2 (en) * 2001-05-15 2004-05-11 Chia Chung Enterprise Co., Ltd. Automatic cleaning apparatus for paint sprayer gun
US20030172964A1 (en) * 2002-01-11 2003-09-18 Iung-Jie Huang Clean-up equipment of the spraying paint gun
US6860278B2 (en) * 2002-01-11 2005-03-01 Chia Chung Enterprise Co., Ltd. Clean-up equipment of the spraying paint gun
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