US2546701A - Apparatus for spray coating articles in an electrostatic field - Google Patents

Apparatus for spray coating articles in an electrostatic field Download PDF

Info

Publication number
US2546701A
US2546701A US596870A US59687045A US2546701A US 2546701 A US2546701 A US 2546701A US 596870 A US596870 A US 596870A US 59687045 A US59687045 A US 59687045A US 2546701 A US2546701 A US 2546701A
Authority
US
United States
Prior art keywords
electrode
articles
article
spray
operator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US596870A
Other languages
English (en)
Inventor
Harold P Ransburg
Emery P Miller
Curtis Norman
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.)
RANSBURG ELECTRO CATING CORP
RANSBURG ELECTRO-CATING CORP
Original Assignee
RANSBURG ELECTRO CATING 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
Priority to BE462415D priority Critical patent/BE462415A/xx
Application filed by RANSBURG ELECTRO CATING CORP filed Critical RANSBURG ELECTRO CATING CORP
Priority to US596870A priority patent/US2546701A/en
Priority to FR920513D priority patent/FR920513A/fr
Application granted granted Critical
Publication of US2546701A publication Critical patent/US2546701A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes
    • 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
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/10—Arrangements for supplying power, e.g. charging power

Definitions

  • This invention relates to an apparatus for spray coating articles in an electrostatic field such as to electrically attract the coating material to the article or articles to be coated, and wherein the coating is discharged into such field for such purpose by a distributing agent such as a spray gun, reference being had to Letters Patent No. 2,247,963, granted July 1, 1941, upon an application filed by Harold P. Ransburg and Harry J. Green, entitled Apparatus for Spray Coating Articles.
  • a distributing agent such as a spray gun
  • An important object of this invention is to provide means for applying coating material to an article in an electrostatic field wherein the distributing agent of the coating material may be manipulated by an operator during the coating operation.
  • Another object is to permit the operator safely to adjust the discharge or precipitating electrode during the coating operation.
  • a further object of this invention is to provide safety equipment and control apparatus for hand spraying in an electrostatic field, wherein the spray gun may be grasped and manipulated by an operator to direct the spray over and about the article being coated while moving the gun to different positions relative thereto and over extended surfaces thereof.
  • Still another object of the invention is to so restrict movements of the gun (and of the discharge electrode where it is movable) that approach of the gun (or electrode) within sparking distance of an oppositely charged object will be prevented.
  • Such manual operation of the distributing agent by an operator is advantageous in the coating of articles of different sizes or configuration, or articles of peculiar or irregular shapes.
  • the position of the gun or electrode relative to the article, or the direction of the spray may be changed according to the surface characteristics of the article or group of articles in the spray booth, and may be manipulated to properly coat 2 surfaces which a fixed gun could not adequately coat.
  • the primary purpose of this invention to provide means whereby the manual operation of the spray gun by the operator will be permitted while spraying into an "effective electrostatic field.
  • the prim cipal requirement is that of safety, since the voltage required is of such high potential as to make the manual operation of the spray gun extremely dangerous unless the operator is surrounded by adequate safeguards.
  • the apparatus so maintain the juxtaposition of the gun and the electrode as to cause the spray to be discharged from without the electrostatic field, and where the gun and electrode may be of different potential, maintain sufficient gap between them for safety.
  • Fig. l is a perspective view of one formof apparatus embodying the invention.
  • Fig. 2 is a wiring diagram in connection with the apparatus of Fig. 1.
  • Fig. 3 is the same as Fig. 1 showing a modified form of the invention.
  • Fig. 4 is a wiring diagram of the apparatus shown in Fig. 3.
  • Fig. 5 is an illustrative view of a mounting for the spray gun and electrode of modified form.
  • Fig. 6 is the same as Fig. 5 showing a further modified form.
  • electrostatic spray equipment including an overhead conveyor track I!) along which the carriers H are caused to slowly travel for conveying the articles 12, 12a to a position for establishing an electrostatic field for spray coating the surface thereof.
  • Suitable means may be provided for slowly rotating the articles as they pass through the field where it may bedesired to spray coat the several surfaces thereof, such as by a rack bar l3 enga e ble b a pinion M on the carriers.
  • the operating frame iscarried on the horizontal supporting bars I 8 slidably s pported within the horizontal t bular bars of the elements I 6,
  • the operating frame may be ad ustably positioned in predetermined spaced relation to the line of travel of the articles to be coated.
  • the operating frame I! is provided with a pair of upright slide bars at opposite ends of the electrostatic field throughout which the operator may direct the spraying operation.
  • a horizontal control member 59 which carries with it, as that modification shown in Fig. 1, the forwardly extending insulating bars '20. Said bars carry on their forward ends the discharge electrode wires 2
  • the manuallyoperated spray gun 25 is supported for universal movement on the control member H] by a ring 26 with which it is swivelly connected, whereby said gun may be manually directed in any direction and bodily moved lengthwise of the member I 9 within the structure, and further, whereby said gun is at all times restrained from too 'close an approach to the electrode.
  • the gun is connected by suitable flexible hose in the usual manner to the supply of air and to the supply of coating material which in most instances, will be a liquid coating material such as paint.
  • the control member l9 has its weight counterbalanced by a suitable tension spring within the spring pulley 21 upon the structure 15 to which the member is connected by a pair of supporting cables 28.
  • the operating frame i! may also be preliminarily adjusted to position the electrode in proper spaced relation to the line of travel of the articles and there locked by the lock screws 29.
  • the set screws 29 may be freed and a stop collar 3 may be secured to the supporting bar l8 between the supporting element l6 and a limit bracket 3] to limit movement of the frame ll. This will permit the operator to move the electrode 2! toward and away from the articles within safe limits to maintain proper spacing between. the electrode and the articles passing through the field.
  • This means as shown herein comprises a photo-electric cell 33 and a light source 32 carried by the frame H and so spaced relative to the electrode that the actuating light beam will be interrupted when an article would approach so close to the electrode as to cause a spark therebetween.
  • the photo-electric cell actuates a switch 35 in a control circuit concontrols the source of high voltage.
  • a switch 35 in a control circuit concontrols the source of high voltage.
  • Similar inoperability could be attained bystopping the conveyor or by simultaneously deenergizing the voltage source and stopping the conveyor whichever appears most desirable. The operator may thereby be assured that if some article comes along the conveyor, such as to too closely approach the plane of the electrode, the circuit therethrough will be broken.
  • a hand-pull switch cord 34 which he must grasp with his free hand and pull down in order to close the normally open circuit control switch 35. Upon his release of the pull cord, the circuit through the electrode will be broken.
  • the operator, structure, articles to be coated, and spray gun are grounded, and when the circuit is closed the electrode is at high potential.
  • the photo-electric barrier relay 3%, the pull cord switch 35, and the switch 3'? on the spray gun are all closed, volts will be supplied from the line 38 through the control circuit to the control relay 39.
  • the relay 39 upon thus being closed, energizes the primary circuit of the high voltage source 22 with 220 volts from the power line 38a. This in turn induces voltage in the secondary circuit of the high voltage trans former composed in series of ground it. transformer secondary coils 4!, and rectifying tube 42.
  • Fig. 4 The electrical connections in the apparatus of Fig. 3 are shown in Fig. 4, from which it will be apparent that, in contradistinction to the apparatus of Figs. 1 and 2, the spray gun 25 and discharge electrode IZI are rigid with each other instead of being capable of relative movement; and the spray gun, the discharge electrode, the operator, and the entire protective structure including an operator's platform are insulated from ground and maintained at a high electrical potential relative thereto.
  • low voltage circuits leading to or from the operators platform or apparatus supported thereon may include one-to-one insulated transformers, as shown.
  • the protective structure including the control member I9 prevents the electrode, as it is moved parallel to or shifted to different positions and angles with respect to the articles, from approachi'ng too closely to the articles.
  • the plane of movement of the gun and electrode may be adjusted with respect to the plane of travel of the articles by the adjustment of the operatingframe I! in respect to the fixed supporting elements I6 in the manner before mentioned.
  • a switch control plate I22 is provided upon which he must stand in order to close the circuit during operation.
  • the plate I22 is mounted upon a supporting platform I23 upon which the supporting elements I6, operating frame I? and its control member I9 are also mounted.
  • the platform and the elements supported thereon are insulated from ground by insulator legs I 24. Since the edges of platform I 23 substantially overbou-nd. the edges of plate I22, it is necessary for the operator to remove himself from within the confines of plate I22 before he can step to ground. Therefore, immediately upon removal of the operator from the switch control plate I22, the switch is opened and the operator may descend from the platform I23 to ground with utmost safety.
  • the flexible tubing to the gun is directly connected with a tank I25 which contains a coating material, said tank being supported upon the insula ed platform Iii-3. and only connected with a source field is produced in the space between the electrode I21 and the articles to be coated.
  • the operator cannot leave the platform without breaking the circuit through one or more of the. several switches 35,, 31. or I22, and he cannotv ground himself while. in position to close said switches.
  • the control member is carrying the gun 25 and the electrode i ZI thereon, as in Fig. 3, may be mounted to slide up and down. upon a curved operating frame M3. or, as shown. in Fig. 6, a semi-circular operating frame 3 I 1 may be employed about which the sun and electrode may move.
  • the curved or semi.- oircular operating frames may be in the form of attachments to be secured to the straight upright portions of operating frame I1 of Figs. 1 and 3,. With such arrangement, either the electrode I2I carried on the gun at high potential or the electrode 21 carried by insulating bars 20 upon the control member I9, may be used.
  • the operator may more conveniently move the gun and electrode into position for coating the upper or lower ends or surfaces of the articles in the spray zone.
  • the articles to be coated are herein shown as in effect comprising a collecting electrode or terminal for the circuit including the source of high voltage for producing a high. potential difference between the discharge electrode and the articles.
  • articles may be of nonconductive material, they may be mountd on or supported by a metal conductor, which, in effect, results in the high potential difference being produced between the discharge electrode and the non-conducting article.
  • article-support is herein considered to constitute a part of the article during its passage through the spray zone.
  • the circuit may be revised. so that the discharge electrode is grounded and the articles or their supports comprise a collecting electrode at high electric potential, or so that the. discharge electrode and, the articles to be coated ortheir supports are each at a high electric potential of different polarity.
  • the electrode in each apparatus not only serves in the maintenance of an effective electrostatic field between it and the articles tobe coated, but also, because of the small diameter of the wire composing it and the manner of its mounting, creates a movable corona discharge which very effectively ionizes and tends to confine the coating-material particles.
  • Apparatus for spray coating the surface of an article in an electrostatic field comprising a sup-port for the article, a movable spraying device for creating a spray of atomized coating material directed generally forwardly toward an article on said support, said spraying device having a discharge electrode at its forward end, means including a source of high voltage for maintaining between said electrode and the article on said support an electrostatic field promcting the deposition on the article of the atomized coating material constituting said spray, said spraying device being provided with a handle which is spaced rearwardly from the electrode so that an operator grasping said handle can manipulate the spraying device from without said electrostatic field, means located rearwardly of said electrode and operatively connected to said spraying device at a point thereon in rear of the electrode for guiding said spraying device for movement in and for confining such device to a zone extending generally parallel to and spaced from the surface of the article, and a support for said guiding means operative to limit the approach to the article of both the guiding means and the spraying device
  • Apparatus for spray coating a series of 'articles comprising a conveyor for moving the articles successively over a predetermined path through a coating zone, a movable spraying device for creating a spray of atomized coating material directed generally forwardly toward the article-path, said spraying device having a discharge electrode at its forward end, means including a source of high voltage for maintaining between said electrode and the articles an electrostatic field promoting the deposition on the articles of the atomized coating material constituting said spray, said spraying device being provided with a handle which is spaced rearwardly from the electrode so that an operator grasping said handle can manipulate the spraying device from without said electrostatic field, means located rearwardly of said electrode and operatively connected to said spraying device at a point thereon in rear of the electrode for guiding said spraying device for movement in and for confining such device to a zone extending generally parallel to and spaced from the articlepath, and a support for said guiding means operative'to limit the approach to the article-path of both the guiding means and
  • Apparatus for spray coating the surface of an article in an electrostatic field comprising a movable spraying device for creating a spray of atomized coating material directed generally forwardly toward the article to be coated, said spraying device having a discharge electrode at its forward end, means including a source of high voltage for maintaining between said electrode and the article an electrostatic field promoting the deposition on the article of the atomized coating material constituting said spray, said spraying device being provided with a handle which is spaced rearwardly from the electrode so that an operator grasping said handle can manipulate the spraying device from without said electrostatic field, means operatively connected to said spraying device for confining it to movement in a zone spaced at a predetermined minimum distance from the article, and control mechanism for said field-maintaining means, said control mechanism including a switch hav ing an operating member associated with said handle, biased toward a controlling position in which it renders the field-maintaining means inoperative, and movable by the hand of the operator into a second controlling position permitting operation of
  • control mechanism includes a second switch having an operating member remote from the field between the electrode and article and controllable by the other hand of the operator, biased to one controlling position in which it renders the field-creating means inoperative, and manually movable to a second controlling position in which it permits operation of such means.
  • Apparatus for spray coating an article in an electrostatic field comprising a protective structure adjacent but spaced from the article to be coated, said structure providing an operators station and limiting approach tothemticle of an operator at said station, a movable spraying device for creating a spray of atomized coating material directed generally forwardly toward the article, means operatively connecting said spraying device to said protective structure and confining the spraying device to movement in a zone spaced at a predetermined minimum distance from the article, said spraying device projecting through said protective structure and having a discharge electrode on the article side of such structure and a handle on the operator's side of the structure, and means including a source of high voltage for creating a high potential difference between said article on the one hand and said electrode and protective structure on the other hand whereby to maintain between the electrode and article an electrostatic field promoting the deposition on the article of the atomized coating material constituting said spray.

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
US596870A 1945-05-31 1945-05-31 Apparatus for spray coating articles in an electrostatic field Expired - Lifetime US2546701A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE462415D BE462415A (fr) 1945-05-31
US596870A US2546701A (en) 1945-05-31 1945-05-31 Apparatus for spray coating articles in an electrostatic field
FR920513D FR920513A (fr) 1945-05-31 1945-12-29 Appareil et procédé dans lesquels un pistolet à peindre manoeuvré à la main estutilisé pour projeter un produit couvrant dans un champ électrostatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US596870A US2546701A (en) 1945-05-31 1945-05-31 Apparatus for spray coating articles in an electrostatic field

Publications (1)

Publication Number Publication Date
US2546701A true US2546701A (en) 1951-03-27

Family

ID=24389067

Family Applications (1)

Application Number Title Priority Date Filing Date
US596870A Expired - Lifetime US2546701A (en) 1945-05-31 1945-05-31 Apparatus for spray coating articles in an electrostatic field

Country Status (3)

Country Link
US (1) US2546701A (fr)
BE (1) BE462415A (fr)
FR (1) FR920513A (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658009A (en) * 1948-05-13 1953-11-03 Ransburg Electro Coating Corp Electrostatic coating method and apparatus
US2710773A (en) * 1952-08-27 1955-06-14 Sedlacsik John Electrostatic spray coating apparatus
US2773472A (en) * 1951-08-14 1956-12-11 Gen Motors Corp Apparatus for electrostatic spray coating
US2784350A (en) * 1955-04-04 1957-03-05 Sedlacsik John Paint spray apparatus, including insulated supply pipe
US2795512A (en) * 1953-08-28 1957-06-11 Gen Electric Electrostatic method and apparatus for lining molds
US2913186A (en) * 1955-12-01 1959-11-17 Jr John Sedlacsik Electrostatic spray coating apparatus and method
US2916576A (en) * 1956-11-21 1959-12-08 Gen Motors Corp Fluid flow switch actuating mechanism
US2930350A (en) * 1955-11-26 1960-03-29 Daimler Benz Ag Electrostatic spray arrangement
US2959353A (en) * 1954-10-04 1960-11-08 Gen Motors Corp Electrostatic charger apparatus
US2961581A (en) * 1955-02-14 1960-11-22 Schweitzer Electrostatic Compa Electrostatic coating means and apparatus
US2980337A (en) * 1954-03-04 1961-04-18 Fischer & Co H G Paint spraying system
US2980338A (en) * 1954-03-04 1961-04-18 Fischer & Co H G Electrostatic paint spraying system
US3004514A (en) * 1959-04-24 1961-10-17 United States Steel Corp Electrostatic oiling apparatus
US3144350A (en) * 1957-05-06 1964-08-11 Shizue Osame Electrostatic coating method and apparatus
DE1201220B (de) * 1958-08-25 1965-09-16 Eizo Nakaya Zerstaeuberkopf fuer eine elektrostatische Spritzeinrichtung
US3232788A (en) * 1961-06-21 1966-02-01 Owens Corning Fiberglass Corp Surface treatment of attenuated glass
DE1230695B (de) * 1952-04-18 1966-12-15 Ransburg Electro Coating Corp Verfahren und Vorrichtung zum elektro-statischen Bespruehen eines Werkstuecks mit fluessigem UEberzugsmaterial
US3310709A (en) * 1965-03-24 1967-03-21 Phillips Wayne Shield for electrostatic painting
US3439649A (en) * 1965-03-15 1969-04-22 Ransburg Electro Coating Corp Electrostatic coating apparatus
US3463121A (en) * 1966-09-19 1969-08-26 Fischer & Co H G Spray gun
US5335854A (en) * 1992-12-11 1994-08-09 Ransburg Corporation Electrically insulated pressure feed paint reservoir
US20110052829A1 (en) * 2007-06-12 2011-03-03 Gerhard Brendel Coating method, coating station, and method for coating an object

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1855869A (en) * 1928-12-31 1932-04-26 Western Electric Co Method of and apparatus for coating articles
US1910674A (en) * 1931-02-14 1933-05-23 Binks Mfg Co Method of spraying pipes
US1919798A (en) * 1930-02-15 1933-07-25 Marathon Paper Mills Co Apparatus for coloring and decorating paper
US2097233A (en) * 1934-03-31 1937-10-26 Research Corp Electrical deposition in pattern form
US2128327A (en) * 1936-12-23 1938-08-30 United States Pipe Foundry Method and apparatus for coating molds
US2152077A (en) * 1935-02-06 1939-03-28 Behr Manning Corp Production of piled surfaces in pattern form
US2173032A (en) * 1933-11-23 1939-09-12 Behr Manning Corp Production of pile-surfaced materials
US2174328A (en) * 1935-02-06 1939-09-26 Behr Manning Corp Piled surface in pattern form
US2247963A (en) * 1939-06-29 1941-07-01 Harper J Ransburg Apparatus for spray coating articles
US2270341A (en) * 1939-12-02 1942-01-20 Harper J Ransburg Method of coating granular materials
US2274726A (en) * 1940-04-13 1942-03-03 Carborundum Co Manufacture of abrasive coated webs
US2302289A (en) * 1938-12-06 1942-11-17 Union Oil Co Electrified spray method and apparatus
US2302185A (en) * 1940-07-27 1942-11-17 Union Oil Co Electrified spray apparatus
US2404454A (en) * 1943-01-08 1946-07-23 Rca Corp Beading projection screens
US2417798A (en) * 1943-06-25 1947-03-18 Harper J Ransburg Apparatus for coating articles
GB591474A (en) * 1944-01-03 1947-08-19 Harper J Ransburg Apparatus for spray coating articles

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1855869A (en) * 1928-12-31 1932-04-26 Western Electric Co Method of and apparatus for coating articles
US1919798A (en) * 1930-02-15 1933-07-25 Marathon Paper Mills Co Apparatus for coloring and decorating paper
US1910674A (en) * 1931-02-14 1933-05-23 Binks Mfg Co Method of spraying pipes
US2173032A (en) * 1933-11-23 1939-09-12 Behr Manning Corp Production of pile-surfaced materials
US2097233A (en) * 1934-03-31 1937-10-26 Research Corp Electrical deposition in pattern form
US2152077A (en) * 1935-02-06 1939-03-28 Behr Manning Corp Production of piled surfaces in pattern form
US2174328A (en) * 1935-02-06 1939-09-26 Behr Manning Corp Piled surface in pattern form
US2128327A (en) * 1936-12-23 1938-08-30 United States Pipe Foundry Method and apparatus for coating molds
US2302289A (en) * 1938-12-06 1942-11-17 Union Oil Co Electrified spray method and apparatus
US2247963A (en) * 1939-06-29 1941-07-01 Harper J Ransburg Apparatus for spray coating articles
US2270341A (en) * 1939-12-02 1942-01-20 Harper J Ransburg Method of coating granular materials
US2274726A (en) * 1940-04-13 1942-03-03 Carborundum Co Manufacture of abrasive coated webs
US2302185A (en) * 1940-07-27 1942-11-17 Union Oil Co Electrified spray apparatus
US2404454A (en) * 1943-01-08 1946-07-23 Rca Corp Beading projection screens
US2417798A (en) * 1943-06-25 1947-03-18 Harper J Ransburg Apparatus for coating articles
GB591474A (en) * 1944-01-03 1947-08-19 Harper J Ransburg Apparatus for spray coating articles

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658009A (en) * 1948-05-13 1953-11-03 Ransburg Electro Coating Corp Electrostatic coating method and apparatus
US2773472A (en) * 1951-08-14 1956-12-11 Gen Motors Corp Apparatus for electrostatic spray coating
DE1230695B (de) * 1952-04-18 1966-12-15 Ransburg Electro Coating Corp Verfahren und Vorrichtung zum elektro-statischen Bespruehen eines Werkstuecks mit fluessigem UEberzugsmaterial
US2710773A (en) * 1952-08-27 1955-06-14 Sedlacsik John Electrostatic spray coating apparatus
US2795512A (en) * 1953-08-28 1957-06-11 Gen Electric Electrostatic method and apparatus for lining molds
US2980338A (en) * 1954-03-04 1961-04-18 Fischer & Co H G Electrostatic paint spraying system
US2980337A (en) * 1954-03-04 1961-04-18 Fischer & Co H G Paint spraying system
US2959353A (en) * 1954-10-04 1960-11-08 Gen Motors Corp Electrostatic charger apparatus
US2961581A (en) * 1955-02-14 1960-11-22 Schweitzer Electrostatic Compa Electrostatic coating means and apparatus
US2784350A (en) * 1955-04-04 1957-03-05 Sedlacsik John Paint spray apparatus, including insulated supply pipe
US2930350A (en) * 1955-11-26 1960-03-29 Daimler Benz Ag Electrostatic spray arrangement
US2913186A (en) * 1955-12-01 1959-11-17 Jr John Sedlacsik Electrostatic spray coating apparatus and method
US2916576A (en) * 1956-11-21 1959-12-08 Gen Motors Corp Fluid flow switch actuating mechanism
US3144350A (en) * 1957-05-06 1964-08-11 Shizue Osame Electrostatic coating method and apparatus
DE1201220B (de) * 1958-08-25 1965-09-16 Eizo Nakaya Zerstaeuberkopf fuer eine elektrostatische Spritzeinrichtung
US3004514A (en) * 1959-04-24 1961-10-17 United States Steel Corp Electrostatic oiling apparatus
US3232788A (en) * 1961-06-21 1966-02-01 Owens Corning Fiberglass Corp Surface treatment of attenuated glass
US3439649A (en) * 1965-03-15 1969-04-22 Ransburg Electro Coating Corp Electrostatic coating apparatus
US3310709A (en) * 1965-03-24 1967-03-21 Phillips Wayne Shield for electrostatic painting
US3463121A (en) * 1966-09-19 1969-08-26 Fischer & Co H G Spray gun
US5335854A (en) * 1992-12-11 1994-08-09 Ransburg Corporation Electrically insulated pressure feed paint reservoir
US20110052829A1 (en) * 2007-06-12 2011-03-03 Gerhard Brendel Coating method, coating station, and method for coating an object

Also Published As

Publication number Publication date
FR920513A (fr) 1947-04-10
BE462415A (fr)

Similar Documents

Publication Publication Date Title
US2546701A (en) Apparatus for spray coating articles in an electrostatic field
US3048498A (en) Electrostatic spray coating system
US2509448A (en) Apparatus for electrostatically coating articles
GB644593A (en) Method and apparatus for spray-coating articles
US2302185A (en) Electrified spray apparatus
US3009441A (en) Apparatus for electrostatically spray coating
US2509277A (en) Control of electrostatic fields
US2805642A (en) Electrostatic spray painting apparatus
US6390389B1 (en) Twin wire electric arc metalizing device
US2736671A (en) Method and apparatus for repositioning coating atomizer means
GB679751A (en) Improved method of and apparatus for spray coating articles
EP0512671A1 (fr) Dispositif de répulsion électrostatique pour dévier des particules atomisées chargées électrostatiquement
GB645612A (en) Method and apparatus for coating articles by electrostatic deposition
GB591474A (en) Apparatus for spray coating articles
US4892750A (en) Electrostatic spray coating method
US3376156A (en) Spray painting employing high voltage charging
US3476082A (en) Electrostatic coating device
US2697411A (en) Electrostatic spray coating apparatus
US2553724A (en) Electrostatic coating apparatus
US3382091A (en) Electrostatic coating methods and apparatus for conductive coating materials
US2417798A (en) Apparatus for coating articles
ES448915A1 (es) Procedimiento y dispositivo de control de variacion de posi-cion de aparatos automaticos de proyeccion de productos de revestimiento de objetos.
US2794416A (en) Apparatus for controlling charged particles
US3418971A (en) Apparatus for electrostatic spray coating
GB599466A (en) Improvements in or relating to paint-applying apparatus