US2754228A - Method of spray painting - Google Patents

Method of spray painting Download PDF

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Publication number
US2754228A
US2754228A US337042A US33704253A US2754228A US 2754228 A US2754228 A US 2754228A US 337042 A US337042 A US 337042A US 33704253 A US33704253 A US 33704253A US 2754228 A US2754228 A US 2754228A
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United States
Prior art keywords
paint
pressure
spray
orifice
temperature
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Expired - Lifetime
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US337042A
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English (en)
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James A Bede
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Individual
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Individual
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Publication date
Priority to FR65919D priority Critical patent/FR65919E/fr
Priority to GB24204/52A priority patent/GB689620A/en
Priority to FR1048957D priority patent/FR1048957A/fr
Priority to DEB17858A priority patent/DE1019220B/de
Priority to US308060A priority patent/US2727786A/en
Application filed by Individual filed Critical Individual
Priority to US337042A priority patent/US2754228A/en
Priority to GB3959/54A priority patent/GB748533A/en
Application granted granted Critical
Publication of US2754228A publication Critical patent/US2754228A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • 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
    • 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
    • B05B9/01—Spray pistols, discharge devices
    • 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
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying

Definitions

  • compositions which may be thus applied by the use of my invention are particularly definable as varnishes, lacquers, enamels, etc.
  • compositions which are ordinarily called paints I am using the term paint throughout the following description and in the appended claims in its generic sense to denote all such coating compositions which, as indicated above, comprise a solid (or film-forming) component which is either present in the' paint or formed on drying of the paint on the work surface on which it is deposited, and an appropriate solvent which is given oif by the paint during the drying thereof.
  • my improved method or process as set forth herein eliminates entirely the use of compressed air or equivalent fluid to atomize the paint. Therefore, it is a primary object of my invention to provide a method or process by means of Which efi'icient spraying is accomplished economically and with a minimum of overspray and with only sufficient ventilation as is required to dispose of solvent fumes which evaporate from the paint while in transit from the gun to the work surface and while drying on the work surface. If my process is performed in a spray booth, the water wash system may be dispensed with and the exhaust fan connections need have a capacity which is but a minor fractional portion of that required for conventional spray painting, viz. approximately one-tenth.
  • Fig. 1 is a diagrammatic view of one form of apparatus which may be utilized in carrying out the processes of my invention
  • Fig. 2 is a cross-section view of employed in my process.
  • Figs. 3 to 5 are illustrations of various forms of orifices which may be provided in the spray gun nozzle, Fig. 4 being a cross-section view taken substantially along line 4-4 Fig. 3.
  • the method of my invention comprises the steps of (a) Heating the paint to a temperature which is at least F. and preferably F. but which temperature is lower than the boiling point, at atmospheric pressure, of at least 50% of the solvent content of the paint and which temperature is preferably such that when a given quantity of the paint is maintained for one minute at that temperature in a closed vessel whose capacity is two times such quantity there will be built up in such vessel a gauge pressure of at least 1.5 pounds per square inch;
  • the coating materials which may be utilized in carrying out my improved process include practically all of the more commonly used coating compositions provided, however, that they have the following properties:
  • solvent content such that the boiling point, atmospheric pressure, of not more than 50% of the solvent content is at least 135 F.
  • the expression solvent content includes those minor amounts of low-boiling fractions which are present in commercial solvents and which are generally omitted in published formulations,
  • the film forming components of the composition are such that there is no substantial degradation thereof at a temperature or" at least 135 F.
  • Fig. l of the drawing there .is a diagrammatic illustration-of one form of apparatus which may be used in carrying out my improved process and in which the coating composition to be sprayed is contained in the paint which it is drawn through'conduit v 3 which causes the same to circulate through a heat exchanger 4 and thence through the C011? duit 5 to the gun 6. From the gun 6 the excess material, not discharged by the gun, is returned through the consupply tank 1 from duit 7 to pressure release valve 8, the outfall conduit of which is connected with the supply conduit 2. It will be noted that the regulation of the pressure control valve 8 regulates the pressure at which the paint is maintained at the spray gun 6. From the spray gun 6 the coating composition is projected onto the work surface generally indicated at A. V
  • a nozzle body 9 is provided with a pair of nipples 10 and 11 to which the conduit 5 and '7 are respectively connected as by means of conventional fittings 12 and 13.
  • heated paint is circulated through said body 9;
  • Reciprocable in said body 9 is a valve stem 14 which is urged by spring 16 in said body and which is drawn back to the open position by means of the trigger 17 which is pivotally mounted on the gun 6.
  • an orifice plate such as 22, illustrated in Fig. 5, may be used and which differs from the orifice plate, Figs. 3 and 4, only in that the orifice 23 thereof'is, on the outer face of the plate, provided with a circular tapered recess 24-.
  • the size of the orifices in the orifice plates should be such that at a spraying pressure of about 450 lbs. per square inch the orifice will deliver about l2 gallons per hour imately 17 seconds (No. 4 Ford cup). It will be observed that it is a notable feature of my invention that gas other than that which sPRAYrNG coNDrrroNs at which the thus heated paint is discharged from the spray orifice.
  • the temperature.-My process is characterized in that the painting composition is heated to a temperature or" at least F., the upper limit of the temperature which may be used being determined by the solvent content of the particular paint composition bein employed. As previously indicated, such upper temperature must be lower than the boiling point, at atmospheric pressure, of at least 50%of the solvent content of the painting com position. My process is not applicable to advantage to painting compositions in which more than 50% of the solvents boil from the paint at a temperature less than 135 F.
  • the foregoing are the only criteria which determine the temperature which may be selected for use. ⁇ Vhile some coating compositions would be harmed, i. e. deteriorated, by being subjected to too high a temperature, most of the commercially available paint compositions are such that the degradation temperature is well above the limits set forth above. If it should be found that there is some degradation ofthe coating composition when used at an elevated temperature, satisfactory results can always be secured by reduction of the temperature to the zone whichlies immediately below that at which the coating composition is harmed.
  • the elevated temperature to which the coating compo- .sition is subjected has three primary functions. I First, it
  • the elevation of the temperature of the painting composition raises the vapor pressure of the solvent content thereof so that at least 5% (including low boiling point fractions or impurities) but not more than 50% of the solvent content would boil from the paint at atmospheric pressure.
  • the paint composition is thus heated to a temperature at which at least some of the solvent content thereof would boil off, at atmospheric pressure, actual boiling is prevented by maintaining the paint under pressure during the heating operation.
  • the paint in the heat exchanger 4 is maintained under the full pressure at which it is ultimately delivered from the spray gun 6. Generally this pressure will be more than sufficient in order to prevent boiling of solvent during the heating step. It is thus possible to modify the illustrated apparatus by including the pump 3 in the conduit 5 between the heat exchanger 4 and the spray gun 6 with another pressure release valve 8 located at the present location of the pump 3 so as to maintain the paint in the heat exchanger 4 under only sutficient pressure, i. e. on the order of 30 lbs. per square inch to prevent boil off of solvent during heating.
  • the spray pressure.As previously indicated, the prespaint is projected through the discharge orifice in the gun 6 should be at least 100 lbs. per square inch gauge. Th upper limit of the pressure which may be employed is determined by considerations of pressure limitations of the equipment. Generally, best results from the standpoint of performance and economy will be secured in the range of from 200 to 600 lbs. per square inch gauge. Since all of the components of the are liquid and thus substantially incompressible at these pressures, pumps of small size and requiring only a minimum of power input are satisfactory for use. This is another of the principal advantages of my process. For example, I have sprayed most of the commercially available coating compositions at a temperature of about 150 to 250 F., and at a pressure of from about 250 to 700 lbs.
  • the chilling effect of such gas as it expands at the nozzle is eliminated; and, accordingly, the actual coating composition particles reach the work with a minimum of cooling so that they may properly coalesce and spread to a continuous coat of uniform thickness by the use of a minimum of solvent.
  • the heated material is discharged in the form of a finely divided spray without the use of an atomizing gas other than that V heated material itself.
  • this spray the particles or which are still in warm condition, can be applied on the work surface in a single application to produce a uniform, continuous film of much greater thickness than can be obtained with other known spraying processes.
  • the present method of spray painting involves the correlation of heat and pressure with the particular paint composition which it is desired to spray.
  • the paint to be sprayed not only has the necessary film-forming constituents in solution therein, but in addition, has its own atomizing agent which isliquid and which is compatible with the filmtorming constituents, but otherwise not remaining in the dried film on the sprayed article surface.
  • the heating of the paint is carried on in a closed container'to maintain such atomizing agent in liquid state in the paint and to a degree sufiicient to volatilize such agent at atmospheric pressure.
  • the thus sub-divided paint particles (yet in liquid form and containing the components required to form a sprayed) continue to move generally toward the surface being sprayed with a minimum amount of scatter and at arapidly decelerating speed owing to the air resistance imposed on the multitude of extremely small paint droplets issuing trom the spray orifice.
  • Composition #2 -Lacquer topcoat Percent Nitrocellulose 11.7272 Vinyl resin V 6.2488 Plasticizer 6.4628 Inert pigments 6.3772 Titanium dioxide 11.9840 Ethyl acetate 6.8640 Methyl-isobutyl ketone 8.6944 Butyl acetate 10.5820 Amyl acetate 3.1460 Butyl Cellosolve 2.0020 Toluol 18.1324 Xylol 7.7792
  • a method of spray painting the steps which comprise heating in a closed chamber to a temperature of at least 135 F., a paint including components as hereinafter defined; imposing a pressure of at least 100 p. s. i. on such heated paint; and then projecting the latter through a spray orifice; the paint thus sprayed including, in addition to components required to form the desired film on the surface being sprayed, a liquid component compatible therewith but not remaining in the dried film, such last named component being liquid under the aforesaid heat and pressure conditions and being volatilized to the extent of from to not more than 50% on passing through said spray orifice, the temperature of heating being lower than the boiling point, at atmospheric pressure, of at least 50% of said liquid component, whereby said component is effective due to suddent expansion thereof upon discharge of the paint from such orifice to atomize the same, the paint being carried through the spray orifice and against the surface being sprayed solely by the pressure applied and by the vaporization of such liquid component.
  • a method of spray painting the steps which comprise heating in a closed chamber to a temperature of at least 170 F., a paint including components as hereinafter defined; imposing a pressure of at least 200 p. s. i. on such heated paint; and then projecting the latter through a spray orifice; the paint thus sprayed including, in addition to components required to form the desired film on the surface being sprayed, a liquid component compatible therewith but not remaining in the dried film, such last named component being liquid under the aforesaid heat and pressure conditions and being volatilized to the extent of from 5% to not more than 50% on passing through said spray orifice, the temperature of heating being lower than the boiling point, at atmospheric pressure, of at least 50% of said liquid component, whereby said component is efiective due to sudden expansion thereof upon discharge of the paint from such orifice to atomize the same, the paint being carried through the spray orifice and against the surface being sprayed solely by the pressure applied and by the vaporization of such liquid component
  • the lacquer thus sprayed including, in addition to the filmforming components nitrocellulose, resin, and plasticizer required to form the desired film on the surface being sprayed, a liquid component compatible with the lacquer but not remaining in the dried film, such last-named component being liquid under the aforesaid heat and pressure conditions and being volatilized to the extent of from 5% to not more than on passing through said spray orifice, the temperature of heating being lower than the boiling point, at atmospheric pressure, of at least 50% of said liquid component, whereby said component is effective due to sudden expansion thereof upon discharge of the lacquer from such orifice to atomize the same, the lacquer being carried through the spray orifice and against the surface being sprayed solely by the pressure applied and by the vaporization of such liquid component.
  • the paint thus sprayed including, in addition to a film-forming synthetic resin required to form the desired film on the surface being sprayed, a liquid component compatible with the paint but not remaining in the dried film, such last-named component being liquid under the aforesaid heat and pressure conditions, and being volatilized to the extent of from 5% to not more than 50% on passing through said spray orifice, the temperature of heating being lower than the boiling point, at atmospheric pressure, of at least 50% of said liquid component, whereby said component is effective due to sudden expansion thereof upon discharge of the paint from such orifice to atomize the same, the paint being carried through the spray orifice and against the surface being sprayed solely by the pressure applied and by the vaporization of such liquid component.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)
US337042A 1951-11-26 1953-02-16 Method of spray painting Expired - Lifetime US2754228A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR65919D FR65919E (en)) 1953-02-16
GB24204/52A GB689620A (en) 1953-02-16 1950-12-29 Process for atomizing organic coating compositions
FR1048957D FR1048957A (fr) 1953-02-16 1951-11-26 Procédé et appareil pour pulvériser et chauffer des compositions organiques de revêtement
DEB17858A DE1019220B (de) 1951-11-26 1951-11-26 Verfahren zum Zerstaeuben von Anstrichmitteln ohne Pressluft
US308060A US2727786A (en) 1952-09-05 1952-09-05 Paint heating and circulating system and spray device therefor
US337042A US2754228A (en) 1953-02-16 1953-02-16 Method of spray painting
GB3959/54A GB748533A (en) 1953-02-16 1954-02-10 Process for atomizing coating compositions

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US337042A US2754228A (en) 1953-02-16 1953-02-16 Method of spray painting

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US2754228A true US2754228A (en) 1956-07-10

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FR (2) FR1048957A (en))
GB (2) GB689620A (en))

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884207A (en) * 1953-10-12 1959-04-28 John J Baessler Valve operating spray button for aerosol dispensers
US2906640A (en) * 1956-05-01 1959-09-29 American Can Co Method of applying a wax composition to the convex countersink portion of a can end
US2936959A (en) * 1956-04-19 1960-05-17 Bede Products Corp Spray gun
US2942787A (en) * 1959-06-11 1960-06-28 Hendrik F Bok Spray painting apparatus
US3000576A (en) * 1960-03-01 1961-09-19 Spee Flo Company Spray gun
US3018968A (en) * 1959-11-17 1962-01-30 Spee Flo Mfg Corp Closed system recirculating assembly
US3056591A (en) * 1959-12-02 1962-10-02 Electro Chemical Engineering & System and apparatus for preparing and supplying materials to an applicator
US3073533A (en) * 1956-05-07 1963-01-15 Bayer Ag Method of and apparatus for producing plastics
US3073721A (en) * 1959-05-18 1963-01-15 Blakeslee & Co G S Method of hot coating
US3135626A (en) * 1961-01-30 1964-06-02 Air Reduction Internal combustion methods and apparatus
US3240432A (en) * 1964-02-18 1966-03-15 Gerald L Boettler Apparatus for spraying resin
US3259673A (en) * 1961-10-09 1966-07-05 Sheller Mfg Corp Method of molding a composite foamed plastic article utilizing airless spraying of an outer film formed from heat curable materials
US3271903A (en) * 1965-04-06 1966-09-13 William C Gregory Maintaining the resistivity of insulating members in energized electric equipment
US3277868A (en) * 1963-02-18 1966-10-11 Lockwood Tech Adhesive applicator including adhesiverecirculation means
US3320975A (en) * 1960-03-14 1967-05-23 Ransburg Electro Coating Corp Serially arranged valves
US3348774A (en) * 1965-03-18 1967-10-24 Gyromat Corp Semi-automatic color change system for paint spray installation
US3377987A (en) * 1960-03-14 1968-04-16 Ransburg Electro Coating Corp Spray coating system
US3388866A (en) * 1965-01-15 1968-06-18 Spee Flo Mfg Corp Closed system recirculating assembly
US3690292A (en) * 1970-08-03 1972-09-12 Royalty Designs Florida Apparatus for fabricating highly resilient polyvinyl chloride layers and the like
US3819403A (en) * 1970-09-28 1974-06-25 Nordson Corp Method and apparatus for applying wax to can ends
USRE28531E (en) * 1966-12-30 1975-08-26 Quick drying road marking composition and method
US3921901A (en) * 1974-05-28 1975-11-25 Resource Planning Associates I Atomization of liquid fuels
US3960325A (en) * 1975-03-24 1976-06-01 Roofmaster Inc. Portable heating and spraying apparatus and method for applying highly viscous coating material
JPS5211227A (en) * 1975-07-16 1977-01-28 Nippon P C S Kk Apparatus for preventing precipitation of precipitatable paint
US4130085A (en) * 1977-05-11 1978-12-19 Becton, Dickinson And Company Apparatus for manufacturing spot test indicators
US4247971A (en) * 1978-07-14 1981-02-03 Kao Soap Co., Ltd. Process for sticking chemical to fibrous article
US4274266A (en) * 1979-05-15 1981-06-23 Donald Shires Water cooling system for air cooled air conditioners
US4284670A (en) * 1976-08-06 1981-08-18 Aluminum Company Of America Method for applying lubricants onto metal working surfaces
EP0112157A1 (en) * 1982-12-13 1984-06-27 Nordson Corporation Method for coating with film-forming compositions
US4517248A (en) * 1981-07-02 1985-05-14 Akzo Nv Process for applying a coating composition to a substrate, and the coated substrate thus obtained
EP0157827B1 (en) * 1983-09-01 1987-12-02 Battelle Memorial Institute Supercritical fluid molecular spray film deposition and powder formation
US4941505A (en) * 1988-04-29 1990-07-17 Danfoss A/S Oil supply system for a burner nozzle including means for preventing the nozzle from dripping
EP0476705A3 (en) * 1990-09-21 1992-07-08 Union Carbide Chemicals And Plastics Company, Inc. Apparatus and methods for application of coatings with supercritical fluids as diluents by spraying from an orifice
FR2725920A1 (fr) * 1994-10-21 1996-04-26 Spiral Machine a projeter par pulverisation
US6594905B2 (en) * 1999-02-19 2003-07-22 Braun Gmbh Hair removing apparatus
US6612819B1 (en) * 1999-02-19 2003-09-02 Braun Gmbh Pumping device
US6665937B2 (en) 1999-02-19 2003-12-23 Braun Gmbh Liquid container for a hair removing apparatus
US20040154532A1 (en) * 2002-10-31 2004-08-12 Ramsay Paul B. Fluid balanced paint system
US20050021051A1 (en) * 2001-04-27 2005-01-27 Matsushita Electric Works, Ltd. Hair removing device with a lotion applicator
US20100200667A1 (en) * 2009-02-06 2010-08-12 Honda Motor Co., Ltd. Circulating paint systems
US20150314318A1 (en) * 2012-11-19 2015-11-05 Graco Minnesota Inc. Thermal break for hot melt system fluid line

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FR2535627A1 (fr) * 1982-11-08 1984-05-11 Vigan Sa Dispositif chauffant pour l'application d'un produit pateux, notamment d'une colle ou d'un mastic
EP0481195A1 (de) * 1990-09-22 1992-04-22 MAYER, Willi Vorrichtung zum Erhitzen der einer Farbspritzpistole durch Schläuche od-dgl. zugeführten Farbe und Spritzluft
CN105396654A (zh) * 2015-11-23 2016-03-16 四川亿欣新材料有限公司 立磨料层稳定装置
CN106391354A (zh) * 2016-10-31 2017-02-15 江苏华航威泰机器人科技有限公司 一种可加热喷涂机构
CN112191433B (zh) * 2020-10-15 2022-10-11 深圳市合一精密泵业科技有限公司 一种雾化喷嘴及喷雾式手部清洁消毒装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
US2013639A (en) * 1932-04-07 1935-09-03 Bosch Robert Apparatus for spraying liquids such as paints, varnishes, or the like
US2481813A (en) * 1947-07-25 1949-09-13 James A Bede Spray painting apparatus
US2517049A (en) * 1948-03-10 1950-08-01 Arthur L Stevens Apparatus for heating and spraying lacquer or the like
US2527093A (en) * 1947-05-26 1950-10-24 Fay Earl E Du Spray nozzle for paints and the like

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2013639A (en) * 1932-04-07 1935-09-03 Bosch Robert Apparatus for spraying liquids such as paints, varnishes, or the like
US2527093A (en) * 1947-05-26 1950-10-24 Fay Earl E Du Spray nozzle for paints and the like
US2481813A (en) * 1947-07-25 1949-09-13 James A Bede Spray painting apparatus
US2517049A (en) * 1948-03-10 1950-08-01 Arthur L Stevens Apparatus for heating and spraying lacquer or the like

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884207A (en) * 1953-10-12 1959-04-28 John J Baessler Valve operating spray button for aerosol dispensers
US2936959A (en) * 1956-04-19 1960-05-17 Bede Products Corp Spray gun
US2906640A (en) * 1956-05-01 1959-09-29 American Can Co Method of applying a wax composition to the convex countersink portion of a can end
US3073533A (en) * 1956-05-07 1963-01-15 Bayer Ag Method of and apparatus for producing plastics
US3073721A (en) * 1959-05-18 1963-01-15 Blakeslee & Co G S Method of hot coating
US2942787A (en) * 1959-06-11 1960-06-28 Hendrik F Bok Spray painting apparatus
US3018968A (en) * 1959-11-17 1962-01-30 Spee Flo Mfg Corp Closed system recirculating assembly
US3056591A (en) * 1959-12-02 1962-10-02 Electro Chemical Engineering & System and apparatus for preparing and supplying materials to an applicator
US3000576A (en) * 1960-03-01 1961-09-19 Spee Flo Company Spray gun
US3320975A (en) * 1960-03-14 1967-05-23 Ransburg Electro Coating Corp Serially arranged valves
US3377987A (en) * 1960-03-14 1968-04-16 Ransburg Electro Coating Corp Spray coating system
US3135626A (en) * 1961-01-30 1964-06-02 Air Reduction Internal combustion methods and apparatus
US3259673A (en) * 1961-10-09 1966-07-05 Sheller Mfg Corp Method of molding a composite foamed plastic article utilizing airless spraying of an outer film formed from heat curable materials
US3277868A (en) * 1963-02-18 1966-10-11 Lockwood Tech Adhesive applicator including adhesiverecirculation means
US3240432A (en) * 1964-02-18 1966-03-15 Gerald L Boettler Apparatus for spraying resin
US3388866A (en) * 1965-01-15 1968-06-18 Spee Flo Mfg Corp Closed system recirculating assembly
US3348774A (en) * 1965-03-18 1967-10-24 Gyromat Corp Semi-automatic color change system for paint spray installation
US3271903A (en) * 1965-04-06 1966-09-13 William C Gregory Maintaining the resistivity of insulating members in energized electric equipment
USRE28531E (en) * 1966-12-30 1975-08-26 Quick drying road marking composition and method
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Also Published As

Publication number Publication date
FR1048957A (fr) 1953-12-28
FR65919E (en)) 1956-03-27
GB748533A (en) 1956-05-02
GB689620A (en) 1953-04-01

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