GB688788A - Improvements in or relating to apparatus for depositing varnishes or like coatings on surfaces - Google Patents

Improvements in or relating to apparatus for depositing varnishes or like coatings on surfaces

Info

Publication number
GB688788A
GB688788A GB30358/50A GB3035850A GB688788A GB 688788 A GB688788 A GB 688788A GB 30358/50 A GB30358/50 A GB 30358/50A GB 3035850 A GB3035850 A GB 3035850A GB 688788 A GB688788 A GB 688788A
Authority
GB
United Kingdom
Prior art keywords
nozzle
electrode
coated
pict
tubes
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
GB30358/50A
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.)
Betts & Blanchard Sarl Ets
Original Assignee
Betts & Blanchard Sarl Ets
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 Betts & Blanchard Sarl Ets filed Critical Betts & Blanchard Sarl Ets
Publication of GB688788A publication Critical patent/GB688788A/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
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • 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
    • B05B5/001—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means 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
    • 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
    • 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

Abstract

<PICT:0688788/III/1> <PICT:0688788/III/2> A device for depositing electrostatically liquids such as paint or varnish on to conducting surfaces consists of a tubular fitting or noozle of insulating material, e.g. quartz, silica, glass, or transparent artificial resin, containing the material to be deposited, in the avis of which is disposed an electrode at a potential difference of the order of 10,000 to 15,000 volts with respect to the object being coated, the electrode having its extremity located at a predetermined distance from the mouth of the fitting, ensuring the necessary resistance to prevent disruptive discharge from the electrode to the surface being coated. Preferably an earth lead is connected to a point in the substance to be deposited at a suitable distance from the entry point of the high tension electrode to protect users against the danger of electrocution. The surface which is to receive the coating may be stationary while the nozzle is movable, or the object may be movable, the nozzle may also receive an axial motion perpendicular to the surface being coated. In Fig. 3, the liquid from reservoir 2 passes into the nozzle 1 in which are disposed the high tension electrode 4 and the earth lead 5, the liquid being projected from the nozzle on to the object to be coated. In Fig. 5, which illustrates a machine in which tubes may be varnished, a framework 17 supports a revolving barrel 8 carrying a number of chucks 9 holding the tubes 11. The chuck that comes into alignment with the nozzle 1 is rotated while the nozzle advances within the tube under the action of the cam 12 pushing the supporting carriage 13.
GB30358/50A 1950-10-13 1950-12-12 Improvements in or relating to apparatus for depositing varnishes or like coatings on surfaces Expired GB688788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR288823X 1950-10-13

Publications (1)

Publication Number Publication Date
GB688788A true GB688788A (en) 1953-03-11

Family

ID=8887519

Family Applications (2)

Application Number Title Priority Date Filing Date
GB30358/50A Expired GB688788A (en) 1950-10-13 1950-12-12 Improvements in or relating to apparatus for depositing varnishes or like coatings on surfaces
GB30274/52A Expired GB717475A (en) 1950-10-13 1952-11-28 Process for depositing varnish on conductive metallic or non-metallic surfaces

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB30274/52A Expired GB717475A (en) 1950-10-13 1952-11-28 Process for depositing varnish on conductive metallic or non-metallic surfaces

Country Status (1)

Country Link
GB (2) GB688788A (en)

Cited By (1)

* 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

Cited By (1)

* 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

Also Published As

Publication number Publication date
GB717475A (en) 1954-10-27

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