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GB710852A - Method and apparatus for electrostatically coating articles - Google Patents

Method and apparatus for electrostatically coating articles

Info

Publication number
GB710852A
GB710852A GB4675/49A GB467549A GB710852A GB 710852 A GB710852 A GB 710852A GB 4675/49 A GB4675/49 A GB 4675/49A GB 467549 A GB467549 A GB 467549A GB 710852 A GB710852 A GB 710852A
Authority
GB
United Kingdom
Prior art keywords
pict
iii
edge
wall
canister
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
Application number
GB4675/49A
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.)
Harper J Ransburg Co Inc
Original Assignee
Harper J Ransburg Co Inc
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
Application filed by Harper J Ransburg Co Inc filed Critical Harper J Ransburg Co Inc
Publication of GB710852A publication Critical patent/GB710852A/en
Expired legal-status Critical Current

Links

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
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1064—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces the liquid or other fluent material to be sprayed being axially supplied to the rotating member through a hollow rotating shaft
    • 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
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • 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
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
    • B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • 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
    • 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
    • B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

<PICT:0710852/III/1> <PICT:0710852/III/2> <PICT:0710852/III/3> <PICT:0710852/III/4> <PICT:0710852/III/5> <PICT:0710852/III/6> <PICT:0710852/III/7> <PICT:0710852/III/8> <PICT:0710852/III/9> Articles are electrostatically coated by atomizing under the influence of electrostatic forces from points distributed along an extended edge of a film of the coating material, such film at least adjacent said extended edge being of substantially uniform thickness. Referring to the drawings, when compressed air is supplied to tube 25, Fig. 2, piston 22 is raised against spring 23 to open needle 19 and hence allow coating composition from pipe 20 to flow along passages 16 and 11 to annular discharge edge 12 which is charged to a high electrical potential and so atomizes the liquid material and which is surrounded by wall 30. Adjustment of control member 26 alters position of ball 16 and so regulates the amount of coating composition supplied to the edge. Fig. 3 shows a modification in which the edge is surrounded by two wall portions 132A and 132B which are moved upwards as control member 126A is tightened, hence closing gap between 132A and wall 110 but leaving that between wall and 132B so that a semi-circle of coating composition is supplied to the edge. Fig. 5 shows a modification in which the edge 235 of the control member 226B serves the discharge edge while in Fig. 6 the coating liquid is run into chamber 316 with side walls 324 and 325 forming opening 328 to discharge edge 326 or (Fig. 7) grooves 329 may be cut in the wall portion 324. Fig. 9 shows the apparatus for spraying metal canisters moving along a conveyer and Fig. 14 for spraying flat extended plates 811 moving along overhead conveyer 812, the atomizing head being rotated if desired by air motor 826. In Fig. 11, canisters 713 are internally coated as they move along conveyer 710, the spraying apparatus being moved along with the canister (which may be rotated by means not shown) until cam 715 and lug 734 co-operate to release rod 730 from article support 711, at the same time spraying apparatus 738 is lifted from canister as wheel 744 runs up cam 748 and is lowered into the canister by action of springs 735. Specifications 605,338, 710,919 and 710,920 are referred to.
GB4675/49A 1948-03-05 1949-02-21 Method and apparatus for electrostatically coating articles Expired GB710852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US307410XA 1948-03-05 1948-03-05

Publications (1)

Publication Number Publication Date
GB710852A true GB710852A (en) 1954-06-23

Family

ID=21855764

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16570/52A Expired GB710920A (en) 1948-03-05 1949-02-21 Method and apparatus for electrostatically coating articles
GB4675/49A Expired GB710852A (en) 1948-03-05 1949-02-21 Method and apparatus for electrostatically coating articles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB16570/52A Expired GB710920A (en) 1948-03-05 1949-02-21 Method and apparatus for electrostatically coating articles

Country Status (6)

Country Link
BE (1) BE487699A (en)
CH (1) CH307410A (en)
DE (1) DE975380C (en)
FR (1) FR982327A (en)
GB (2) GB710920A (en)
NL (1) NL145170B (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784351A (en) * 1952-09-15 1957-03-05 Licentia Gmbh Electrostatic high voltage generators
US2869510A (en) * 1952-07-29 1959-01-20 Licentia Gmbh Electrostatic coating apparatus utilizing overflow means to facilitate constant level
US2901177A (en) * 1956-08-30 1959-08-25 Edward O Norris Spraying apparatus
US2901178A (en) * 1956-08-30 1959-08-25 Edward O Norris Spraying apparatus
US2911323A (en) * 1955-11-29 1959-11-03 Gen Motors Corp Electrostatic method and apparatus using non-conductive discharge means
US2923272A (en) * 1955-11-03 1960-02-02 Gen Motors Corp Electrostatic coating apparatus with automatic self-wiping means
US2955565A (en) * 1956-03-19 1960-10-11 Electro Dispersion Corp Electrostatic coating apparatus
US2964246A (en) * 1956-04-27 1960-12-13 Grace W R & Co Gasket applying machine
US2989241A (en) * 1956-07-16 1961-06-20 Ransburg Electro Coating Corp Apparatus for electrostatic spray coating
US3010428A (en) * 1957-09-10 1961-11-28 Interplanetary Res & Dev Corp Spraying devices
US3021077A (en) * 1956-03-20 1962-02-13 Ransburg Electro Coating Corp Electrostatic coating apparatus
US3065106A (en) * 1958-11-14 1962-11-20 Electro Dispersion Corp Pan greasing method and apparatus
US3077857A (en) * 1959-06-29 1963-02-19 Spray O Matic Corp Method of and device for greasing pans
US3536514A (en) * 1963-06-13 1970-10-27 Ransburg Electro Coating Corp Electrostatic coating method
US6156392A (en) * 1999-07-13 2000-12-05 Nylok Fastener Corporation Process for triboelectric application of a fluoropolymer coating to a threaded fastener

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE514988A (en) * 1950-10-13
US2690730A (en) * 1951-10-04 1954-10-05 Ransburg Electro Coating Corp Electrostatic coating apparatus
DE1156342B (en) * 1951-11-13 1963-10-24 Harper J Ransburg Company Electrostatic liquid applicator
US2764125A (en) * 1952-02-14 1956-09-25 Ransburg Electro Coating Corp Electrostatic atomizing and coating apparatus
BE519260A (en) * 1952-04-18
DE1009539B (en) * 1952-06-30 1957-05-29 Licentia Gmbh Method and device for electrostatic painting, in which the coating material is atomized by the same electrostatic field at sharp edges and is deposited on the workpiece
DE1082168B (en) * 1952-08-22 1960-05-19 Franz Bollenrath Dr Ing Method and device for the electrostatic coating of wires, in particular line wires, with layers of insulating lacquer
DE1109062B (en) * 1952-09-15 1961-06-15 Licentia Gmbh Electrostatic spray device
DE1152920B (en) * 1952-09-18 1963-08-14 Licentia Gmbh Process for covering objects in an electric field
DE1209916B (en) * 1953-07-13 1966-01-27 Licentia Gmbh Electrostatic spray system
BE530446A (en) * 1953-07-17
US2728606A (en) * 1954-05-24 1955-12-27 Ransburg Electro Coating Corp Liquid feeding apparatus
US2759764A (en) * 1954-05-24 1956-08-21 Ransburg Electro Coating Corp Liquid feeding apparatus
US2865324A (en) * 1954-06-23 1958-12-23 Smith Corp A O Apparatus for applying coating material to articles
US2987419A (en) * 1954-06-23 1961-06-06 Smith Corp A O Method of applying coating material to articles
DE1209917B (en) * 1954-08-02 1966-01-27 Licentia Gmbh Electrostatic spray device for coating hollow bodies
US2860599A (en) * 1954-08-13 1958-11-18 Binks Mfg Co Electrostatic coating device with restricted fluid passageway opening adjacent sharpdischarge edge
DE1075992B (en) * 1955-01-03 1960-02-18 Licentia Gmbh Electrostatic spray system
US2865789A (en) * 1955-02-07 1958-12-23 Ransburg Electro Coating Corp Electrostatic spray coating system
DE1085073B (en) * 1955-11-21 1960-07-07 Daimler Benz Ag Control device of an electrostatic painting system for large, uneven work-pieces, especially for vehicle bodies
DE1181097B (en) * 1955-12-21 1964-11-05 Daimler Benz Ag Equipment on devices for the electrostatic coating of large objects
DE1216743B (en) * 1955-12-23 1966-05-12 Daimler Benz Ag Device for electrostatic coating of large objects
DE1117009B (en) * 1956-04-27 1961-11-09 Grace W R & Co Device for applying sealant in a circular shape
US3004517A (en) * 1958-04-04 1961-10-17 Gen Motors Corp Electrostatic paint spray
GB888540A (en) * 1958-08-25 1962-01-31 Eizo Nakaya Coating device
US3010009A (en) * 1958-09-29 1961-11-21 Plasmadyne Corp Method and apparatus for uniting materials in a controlled medium
US3155539A (en) * 1958-11-20 1964-11-03 James W Juvinall Electrostatic spray coating methods and apparatus
DE1175126B (en) * 1960-09-10 1964-07-30 Schilde Maschb Ag Device for painting car bodies or the like.
US4458844A (en) * 1977-02-07 1984-07-10 Ransburg Japan Ltd. Improved rotary paint atomizing device
AU517923B2 (en) * 1977-02-07 1981-09-03 Ransburg Japan Ltd. Rotary paint atomizing device
DE3716692C2 (en) * 1987-05-19 1995-02-09 Lactec Gmbh Rotary atomizer
US8141797B2 (en) 2001-01-25 2012-03-27 Durr Systems Inc. Rotary atomizer for particulate paints

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US750691A (en) * 1904-01-26 No model
DE260278C (en) *
DE577999C (en) * 1933-06-08 Siemens Schuckertwerke Akt Ges Device for the uniform application of fine particles in dust or liquid form, e.g. B. of condensed water vapor on tobacco to be moistened
DE238958C (en) *
US745276A (en) * 1899-10-06 1903-11-24 Charles S Farquhar Electrical method of dispersing fluids.
US692631A (en) * 1899-10-06 1902-02-04 Charles S Farquhar Apparatus for electrically dispersing fluids.
AT14566B (en) * 1900-04-09 1903-12-28 John Francis Cooley Method and device for the production of silk-like, shiny spun fibers
GB190925021A (en) * 1909-10-30 1910-08-25 Wm Simons And Company Ltd Improvements in or relating to Dredgers.
DE329658C (en) * 1916-05-01 1920-11-30 Georg A Krause Processes and devices for evaporating or thickening solutions, emulsions and suspensions, as well as for performing chemical reactions
DE414593C (en) * 1923-06-06 1925-06-04 Rotopulsor Akt Ges Process for evaporation of liquids
DE441194C (en) * 1925-04-03 1927-02-24 Aage Nyrop Device for atomizing liquids
US1958406A (en) * 1926-12-27 1934-05-15 William A Darrah Electrical spraying device
NL21314C (en) * 1927-04-23
DE508305C (en) * 1927-07-24 1930-09-27 Siemens Schuckertwerke Akt Ges Process for the uniform application of fine particles of fabric in powder or liquid form, e.g. of condensed water vapor on tobacco to be moistened
US1855869A (en) * 1928-12-31 1932-04-26 Western Electric Co Method of and apparatus for coating articles
DE500784C (en) * 1929-03-07 1930-06-26 Karl Ludwig Dipl Ing Process for atomizing liquids with rotor atomizers and apparatus for this
GB364780A (en) * 1929-12-07 1932-01-14 Anton Formhals Improvements in or relating to processes and apparatus for the production of artificial filaments
BE385132A (en) * 1930-12-21
US2048651A (en) * 1933-06-23 1936-07-21 Massachusetts Inst Technology Method of and apparatus for producing fibrous or filamentary material
US2191827A (en) * 1934-04-12 1940-02-27 Carborundum Co Apparatus for applying liquid to fabric
DE715745C (en) * 1936-07-28 1942-01-29 Siemens Ag Process for the distribution of moisture in tobacco and the like like
US2128327A (en) * 1936-12-23 1938-08-30 United States Pipe Foundry Method and apparatus for coating molds
US2187306A (en) * 1937-07-28 1940-01-16 Richard Schreiber Gastell Artificial thread and method of producing same
USRE22869E (en) * 1939-06-06 1947-04-15 Process and apparatus fob elec
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
US2378025A (en) * 1942-05-09 1945-06-12 Carborundum Co Coating apparatus
DE962590C (en) * 1943-12-28 1957-04-25 Metallgesellschaft Ag Device for the production of lacquer, colored or metal coatings using an electrostatic field
US2408143A (en) * 1944-01-15 1946-09-24 William C Huebner Apparatus for multicolor printing with electro lines of force
US2408144A (en) * 1944-01-15 1946-09-24 William C Hucbner Means for printing
FR908391A (en) * 1944-06-30 1946-04-08 Process for dispersing liquid or solid particles and means for applying this process
DE914228C (en) * 1944-07-05 1954-06-28 Metallgesellschaft Ag Method and device for the production of paint, paint or metal coatings by spraying, in particular using an electrostatic field
DE912189C (en) * 1944-07-06 1954-05-24 Metallgesellschaft Ag Process for the production of lacquer or paint coatings by spraying
DE911109C (en) * 1944-07-13 1954-05-10 Metallgesellschaft Ag Spraying method and device for the production of paint, paint or metal coatings

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869510A (en) * 1952-07-29 1959-01-20 Licentia Gmbh Electrostatic coating apparatus utilizing overflow means to facilitate constant level
US2784351A (en) * 1952-09-15 1957-03-05 Licentia Gmbh Electrostatic high voltage generators
US2923272A (en) * 1955-11-03 1960-02-02 Gen Motors Corp Electrostatic coating apparatus with automatic self-wiping means
US2911323A (en) * 1955-11-29 1959-11-03 Gen Motors Corp Electrostatic method and apparatus using non-conductive discharge means
US2955565A (en) * 1956-03-19 1960-10-11 Electro Dispersion Corp Electrostatic coating apparatus
US3021077A (en) * 1956-03-20 1962-02-13 Ransburg Electro Coating Corp Electrostatic coating apparatus
US2964246A (en) * 1956-04-27 1960-12-13 Grace W R & Co Gasket applying machine
US2989241A (en) * 1956-07-16 1961-06-20 Ransburg Electro Coating Corp Apparatus for electrostatic spray coating
US2901178A (en) * 1956-08-30 1959-08-25 Edward O Norris Spraying apparatus
US2901177A (en) * 1956-08-30 1959-08-25 Edward O Norris Spraying apparatus
US3010428A (en) * 1957-09-10 1961-11-28 Interplanetary Res & Dev Corp Spraying devices
US3065106A (en) * 1958-11-14 1962-11-20 Electro Dispersion Corp Pan greasing method and apparatus
US3077857A (en) * 1959-06-29 1963-02-19 Spray O Matic Corp Method of and device for greasing pans
US3536514A (en) * 1963-06-13 1970-10-27 Ransburg Electro Coating Corp Electrostatic coating method
US4114564A (en) * 1963-06-13 1978-09-19 Ransburg Corporation Electrostatic coating apparatus
US6156392A (en) * 1999-07-13 2000-12-05 Nylok Fastener Corporation Process for triboelectric application of a fluoropolymer coating to a threaded fastener

Also Published As

Publication number Publication date
FR982327A (en) 1951-06-08
CH307410A (en) 1955-05-31
DE975380C (en) 1961-11-16
NL145170B (en) 1956-01-16
GB710920A (en) 1954-06-23
BE487699A (en)

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