US1311839A - Pneumatic coating apparatus - Google Patents
Pneumatic coating apparatus Download PDFInfo
- Publication number
- US1311839A US1311839A US1311839DA US1311839A US 1311839 A US1311839 A US 1311839A US 1311839D A US1311839D A US 1311839DA US 1311839 A US1311839 A US 1311839A
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- US
- United States
- Prior art keywords
- air
- brush
- container
- coating
- conductor
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
- F02M53/06—Injectors with heating, cooling, or thermally-insulating means with fuel-heating means, e.g. for vaporising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S118/00—Coating apparatus
- Y10S118/07—Hoods
Definitions
- This invention contemplates they provlsion of a unitary pneumatic coating apparatus by which ordinary lhouse paints, varnishes,'
- lacquers, bronzes and other coating materials may be applied to articles of manufacture or the like in a manner which is at once rapid and convenient, as well as effective and satisfactory in the finish attainable.
- the invention aims to provide an apparatus lby which a smooth and satisfactory coatin may be applied to large articles, such or example, as furniture, and which will result in a saving in coating materlal, in a saving in the time of the workmen, and in a smoother and more desirable finish with less work.
- One of the objects of the invention is to provide a pneumatic coating apparatus wherein the air to be supplied to the brush is treated and warmed, and the coating fluid for the brush is heated., before arrivin at the brush, so that the coating material w11 be perfectly atomized and w11l be applied to the article in a smooth, tliin and uniform layer.
- the invention also has reference to the arrangement and relative positions of the different elements of the au' and paint-supplying means with a view to arriving at the maximum facility, as well as effectiveness, in operation.
- the apparatus in its preferred form comprises an air brush by whlch the coating material is applied to the article, an elevated coating-material container from which the air brush is supplied with coating material, an air storage tank supplied by a motordriven air compressor, a conduit connection between said tank and the air brush for supplylng theA latter, an oil separator and a water separator in said conduit connection, and an electric heater in said connection for warming the air, said heater being also arranged It'o warm the coating material in its elevated container.
- the article to be coated is preferably placed in a booth 39 which is provided with a conduit and exhausting means for drawing air and vapor from the booth so as to prevent the paint vapor from spreading about the room. IThe construction of this booth and exhausting means forms the subject matter ofv a copending application.
- the air brush is indicated at 40 and is preferably of the general character disclosed in my prior application No. 3863, filed January 23, 1915,. upon which Patent 1,273,784 issued on July 23, 1918.
- the brush when not njuse may be supported on a bracket 41 attached to the wall of the booth. 42 indicates a container for the coating material to be supplied to the brush, said container' being connected by a flexible hose 43 with the discharge device of the brush.
- the container is herein ⁇ shown as supported upon a vertically extensible standard 44 which, comprises a base portion, a stem 45 adjustably held therein by a set screw 46, and an angular arm 47 on the uper end of the stem on which arm the paint.
- the supply of air for the air brush is contained in a tank 48 in which compressed air is maintained at a suitable pressure by an air compressor 49 driven by an electric motor 50.
- 51 indicates a pressure gage and valve device which communicates withthe air tank 48 and is connected with the pump by a pipe 52. When the pressure in the tank risesto a certain point the device 51 will operate to open communication through the pipe 52 so that the air compressor will not further raise the pressure in the tank, but will merely cause a circulating flow of the air through the tank, the pipe 52 and the ⁇ compressor.
- the air brush is connected with the tank by a suitable conduit which is indicated as a whole by reference numeral 53.
- the air flows from the tank through alpipe section' 53 into a water separator 54 where any rator with a pressure gage 57 and an electric heater 5,8, said heater having an internal .conduit through which the air flows whereby to warm the air.
- This heater forms the subject matter of my application Seriall No. 57656, filedv October 25,A 1915.
- the ⁇ water separator 54 maybe of the well-known type which has metallic bark plates therein to condense .and collect the water vapor in the air.
- the oil separator 55 may also be of the well-known type having tangled shredded material therein forming a strainer through ⁇ which the current of air passes.
- 59 indi- Cates the switch of the .heater and 60 desig-I nates an electric conductor which is adapted to connect the heater to a suitable source of electricity, as for examplepan ordinary light socket, ⁇ in a manner
- a pipe section 53c extends downwardly from the heater and may be suitably supported on a wallof the booth 39. ..61 indicates branch cocks of the pipe 53c to receive one end of :a flexible hose- 531, the other end of which is attached to the air brush 4Q.4 At the extreme lower end of the pipeis another cock 62.
- I claim as jny invention 125A pneumatic coating apparatus having, in combination, an air brush, a conductor for supplying air thereto, means for heating the air prior ⁇ to its arrival at the brush, a receptacle lfor'the coating material arranged 1n positlon'to be warmed by said heating means, and a conductor connecting said Ireceptacle to thebrush.
- -2A pneumatic coating apparatus A having for supplying air to said brush, an electric heater associated with said conductor through which heater the air flows on its way to therbrush, a support, a container for coating material removably carried by said support immediately above said electric heater whereby the container will be warmed by the heater, and a conductor connectingsaid container to the brush.
- a pneumatic coating apparatus having, in combination, a device for applying coating material, means for supplying coating material to said device, means for supplying air to said device, and a single means fory heating the air andthe coating material before they arrive at said device.
- a pneumatic coating apparatus havling, in combination, a device for applying,
- coating material a container for coating material, a conductor for supplying air to said device, and a single means for heating the air in its conductor and for heating the coating material in said container.
- said heater being ositioned 1n proxlmity to said container for eating the latter.
- an air brush adapted to be supported solely by the operator s hand in use for applying coated material to an article, an air storage tank, means including a flexible 'conductor for connecting the appropriate portion of said air brush to said tank, an elevated, paint container, -a
- a pneumatic coating apparatus having,
- lan air brush adapted t0 be' supported solely in the operators hand conductor means 'exibly connecting the appropriate portion of said air brush to sald contalner for supplying paint to the brush, an air storage tank, conductor means exibly connecting the appropriate portion of said airbrush to said tank for supplying air to the brush, means whereby the alr and .when in use for spraying' coating material upon an article, an elevated paint container,
- a pneumatlc coating apparatus having, in combination an air brush adapted to be supported solely in the operators hand when in use for spraying coating material upon an article, a paint container connected to the appropriate portion of said air brush for supplying paint to the brush, an air storage tank, conductor means flexibly connecting the appropriate portion of said air brush to said tank and allowing free movement of the brush With the operators hand,
- a pneumatic coating apparatus having, in combination, an air brush adapted to be supported in the operators hand when in use for spraying coated material on an article, an elevated paint container, a flexible hose connecting isaid container to the appropriate portion of said air brush, an air storage tank, a conductor leadingl from said tank, a flexible hose connecting said conductor to the appropriate port1on of said air brush, an oil separator and a water separator associated with said conductor, so that the air will pass through said separators in succession, and a heater assoclated With said conductor through which the air passes, whereby the air arriving at the brush will be pure, dry and warm.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Description
JENS A. PAASCHE, 0F CHICAGO, ILLINOIS.
PNEUMATIG COATING- APPARATUS.
Specication of Letters Patent.
Patented July 29, 1919.
Application led September 23, 1915. Serial No. 52,139.
To all whom it may concern Be it known that I, JENs A. PAAscHE, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certaln new and useful Improvements in Pneumatic Coating Apparatus, of which the following is a specification.
This invention contemplates they provlsion of a unitary pneumatic coating apparatus by which ordinary lhouse paints, varnishes,'
lacquers, bronzes and other coating materials may be applied to articles of manufacture or the like in a manner which is at once rapid and convenient, as well as effective and satisfactory in the finish attainable.
The invention aims to provide an apparatus lby which a smooth and satisfactory coatin may be applied to large articles, such or example, as furniture, and which will result in a saving in coating materlal, in a saving in the time of the workmen, and in a smoother and more desirable finish with less work.
One of the objects of the invention is to provide a pneumatic coating apparatus wherein the air to be supplied to the brush is treated and warmed, and the coating fluid for the brush is heated., before arrivin at the brush, so that the coating material w11 be perfectly atomized and w11l be applied to the article in a smooth, tliin and uniform layer.
The invention also has reference to the arrangement and relative positions of the different elements of the au' and paint-supplying means with a view to arriving at the maximum facility, as well as effectiveness, in operation.
The accompanying drawing is an elevational view, a portion of which has been made somewhat diagrammatic for the sake of clearness, illustrating a pneumatic coat-- ing apparatus embodylng the features of my invention.
.The preferred embodiment of my invention is represented in the drawing and will be herein described in detail, without any intention, however, of limiting the invention to the embodiment disclosed, the scope of the invention being pointed out in the appended claims. l
The apparatus in its preferred form comprises an air brush by whlch the coating material is applied to the article, an elevated coating-material container from which the air brush is supplied with coating material, an air storage tank supplied by a motordriven air compressor, a conduit connection between said tank and the air brush for supplylng theA latter, an oil separator and a water separator in said conduit connection, and an electric heater in said connection for warming the air, said heater being also arranged It'o warm the coating material in its elevated container.
The article to be coated is preferably placed in a booth 39 which is provided with a conduit and exhausting means for drawing air and vapor from the booth so as to prevent the paint vapor from spreading about the room. IThe construction of this booth and exhausting means forms the subject matter ofv a copending application.
The air brush is indicated at 40 and is preferably of the general character disclosed in my prior application No. 3863, filed January 23, 1915,. upon which Patent 1,273,784 issued on July 23, 1918. The brush when not njuse may be supported on a bracket 41 attached to the wall of the booth. 42 indicates a container for the coating material to be supplied to the brush, said container' being connected by a flexible hose 43 with the discharge device of the brush. The container is herein `shown as supported upon a vertically extensible standard 44 which, comprises a base portion, a stem 45 adjustably held therein by a set screw 46, and an angular arm 47 on the uper end of the stem on which arm the paint.
ucket is removablyl hung. The supply of air for the air brush is contained in a tank 48 in which compressed air is maintained at a suitable pressure by an air compressor 49 driven by an electric motor 50. 51 indicates a pressure gage and valve device which communicates withthe air tank 48 and is connected with the pump by a pipe 52. When the pressure in the tank risesto a certain point the device 51 will operate to open communication through the pipe 52 so that the air compressor will not further raise the pressure in the tank, but will merely cause a circulating flow of the air through the tank, the pipe 52 and the `compressor.
The air brush is connected with the tank by a suitable conduit which is indicated as a whole by reference numeral 53. The air flows from the tank through alpipe section' 53 into a water separator 54 where any rator with a pressure gage 57 and an electric heater 5,8, said heater having an internal .conduit through which the air flows whereby to warm the air. This heater forms the subject matter of my application Seriall No. 57656, filedv October 25,A 1915. The `water separator 54 maybe of the well-known type which has metallic baie plates therein to condense .and collect the water vapor in the air. The oil separator 55 may also be of the well-known type having tangled shredded material therein forming a strainer through` which the current of air passes. 59 indi- Cates the switch of the .heater and 60 desig-I nates an electric conductor which is adapted to connect the heater to a suitable source of electricity, as for examplepan ordinary light socket,^in a manner well known.
As shown in thedrawing the paint material container 42 is supported in proximity to, in this instance directly above, the electrichelater 58 so that said container will be warmed by the heater. A pipe section 53c extends downwardly from the heater and may be suitably supported on a wallof the booth 39. ..61 indicates branch cocks of the pipe 53c to receive one end of :a flexible hose- 531, the other end of which is attached to the air brush 4Q.4 At the extreme lower end of the pipeis another cock 62. p
In applying varnishes and like coating materials with an air brush the character of the work which c an be donedepends largely upon the condition of the air supplied to the brush as well as the temperature and viscosity of the coating material. Moisture in the air to any material .'degree isl fatal to good results. Oil and other foreign material is also objectionable in the air to be suplied to the brush. I have provided means or separating water, oil and the like from the air and means for thereafter heating the air before it arrives 4at the brush. I am therefore enabledy to supply the brush with pure, dry, warm air which gives the very best results. By the arrangement for also warming the coating-material container the material is maintained at a temperature at which it will How most freely and-may be most perfectly atomized by the air. The result is that a thin uniform and smooth layer of coating vmaterial on the article may -be insured.
I claim as jny invention: 125A pneumatic coating apparatus having, in combination, an air brush, a conductor for supplying air thereto, means for heating the air prior `to its arrival at the brush, a receptacle lfor'the coating material arranged 1n positlon'to be warmed by said heating means, and a conductor connecting said Ireceptacle to thebrush.
-2A pneumatic coating apparatus Ahavtor for supplying air to said brush, an electric heater associated with said conductor through which heater the air flows on its way to therbrush, a support, a container for coating material removably carried by said support immediately above said electric heater whereby the container will be warmed by the heater, and a conductor connectingsaid container to the brush.
' 3. A pneumatic coating apparatus having, in combination, a device for applying coating material, means for supplying coating material to said device, means for supplying air to said device, and a single means fory heating the air andthe coating material before they arrive at said device. l
4. A pneumatic coating apparatus havling, in combination, a device for applying,
coating material, a container for coating material, a conductor for supplying air to said device, and a single means for heating the air in its conductor and for heating the coating material in said container." -r
. ing, in combination, an air brush, a conducair flows on its way to said applying device,
said heater being ositioned 1n proxlmity to said container for eating the latter.
6. A pneumatic coating apparatus having,"
in combination, an air brush adapted to be supported solely by the operator s hand in use for applying coated material to an article, an air storage tank, means including a flexible 'conductor for connecting the appropriate portion of said air brush to said tank, an elevated, paint container, -a
flexible conductor connecting the appropriate portion of said ail* brush to said contamer, means for removing moisturefrom the a1r in its passage. from said tank to the air brush, and means' forheating the air prior to its arrival at the air brush.
7. A pneumatic coating apparatushaving,
in combination, lan air brush adapted t0 be' supported solely in the operators hand conductor means 'exibly connecting the appropriate portion of said air brush to sald contalner for supplying paint to the brush, an air storage tank, conductor means exibly connecting the appropriate portion of said airbrush to said tank for supplying air to the brush, means whereby the alr and .when in use for spraying' coating material upon an article, an elevated paint container,
the paint will be warmed before reaching the brush, and means for removin moisture from the air supplied to the brus 8. A pneumatlc coating apparatus having, in combination an air brush adapted to be supported solely in the operators hand when in use for spraying coating material upon an article, a paint container connected to the appropriate portion of said air brush for supplying paint to the brush, an air storage tank, conductor means flexibly connecting the appropriate portion of said air brush to said tank and allowing free movement of the brush With the operators hand,
means for heating the air supplied to the brush, means for removing moisture from the air supplied to the brush, and means for removing oil from such air whereby the air will be pure, dry and warm when it arrives at the brush.
9. A pneumatic coating apparatus having, in combination, an air brush adapted to be supported in the operators hand when in use for spraying coated material on an article, an elevated paint container, a flexible hose connecting isaid container to the appropriate portion of said air brush, an air storage tank, a conductor leadingl from said tank, a flexible hose connecting said conductor to the appropriate port1on of said air brush, an oil separator and a water separator associated with said conductor, so that the air will pass through said separators in succession, and a heater assoclated With said conductor through which the air passes, whereby the air arriving at the brush will be pure, dry and warm. l
In testimony whereof I hereunto set my hand in the presence of two Witnesses.
JENS A PAASCHE.
In the presence of- L. L. Sol-IULTZ, M. F. GRUPP.
Publications (1)
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US1311839A true US1311839A (en) | 1919-07-29 |
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US1311839D Expired - Lifetime US1311839A (en) | Pneumatic coating apparatus |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336463A (en) * | 1964-11-04 | 1967-08-15 | Bert B Johnson | Portable electric air heater and dehumidifier for paint spray guns |
US5240181A (en) * | 1992-04-20 | 1993-08-31 | Uribe Armando R | High volume, low pressure paint spraying system |
-
0
- US US1311839D patent/US1311839A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336463A (en) * | 1964-11-04 | 1967-08-15 | Bert B Johnson | Portable electric air heater and dehumidifier for paint spray guns |
US5240181A (en) * | 1992-04-20 | 1993-08-31 | Uribe Armando R | High volume, low pressure paint spraying system |
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