GB1179301A - Method of Depositing Heat Fusible Material and Apparatus therefor. - Google Patents

Method of Depositing Heat Fusible Material and Apparatus therefor.

Info

Publication number
GB1179301A
GB1179301A GB3809/67A GB380967A GB1179301A GB 1179301 A GB1179301 A GB 1179301A GB 3809/67 A GB3809/67 A GB 3809/67A GB 380967 A GB380967 A GB 380967A GB 1179301 A GB1179301 A GB 1179301A
Authority
GB
United Kingdom
Prior art keywords
electrode
nozzle
plasma
passages
coating
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
GB3809/67A
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.)
Sealectro Corp
Original Assignee
Sealectro 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
Application filed by Sealectro Corp filed Critical Sealectro Corp
Publication of GB1179301A publication Critical patent/GB1179301A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/22—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc
    • B05B7/222—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc
    • B05B7/226—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc the material being originally a particulate 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
    • B05D1/08—Flame spraying
    • B05D1/10—Applying particulate materials
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • 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
    • B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
    • B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
    • 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
    • B05D2506/00—Halogenated polymers
    • B05D2506/10—Fluorinated polymers
    • B05D2506/15—Polytetrafluoroethylene [PTFE]

Abstract

1,179,301. Spray-producers. SEALECTRO CORP. 25 Jan., 1967 [27 Jan., 1966; 23 Sept., 1966], No. 3809/67. Heading B2F. A plasma spray gun suitable for coating articles with metals, ceramics, or plastics materials such as polytetrafluoroethylene, comprises an inner electrode 12A, an outer generally cylindrical nozzle electrode 14 arranged coaxially with respect to the electrode 12A, an inlet 28 for a plasma-forming gas under pressure, and a plurality of converging distributing passages 30 which direct the gas into the confined space between the electrodes so as to produce laminar flow. The portion 16A of the electrode nozzle 14 is finely tapered and is upstream of an expansion portion 16C. The powder is fed to the junction 16B of the nozzle electrode portions through a plurality of passages 36 which open tangentially into the interior of the nozzle electrode. The powder may be fluidized by a plasma-forming gas. Both electrodes are water-cooled. The angle (A), Fig. 2 (not shown) of the inner electrode is greater than the angle (B) of the outer electrode. The electrode nozzle 14 may be of copper with a coating in the passage 16 of an alloy having a high nickel content. A plasma-forming gas having a nitrogen to helium ratio of 6:1 is passed through the gun. Generally spherical particles of tetrafluoroethylene are passed through the passages 36 and with the workpiece two to three inches from the end of the gun a coating may be built up at the rate of 1 mil per minute per 36 square inches of surface coated.
GB3809/67A 1966-01-27 1967-01-25 Method of Depositing Heat Fusible Material and Apparatus therefor. Expired GB1179301A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53622966A 1966-01-27 1966-01-27
US58159466A 1966-09-23 1966-09-23

Publications (1)

Publication Number Publication Date
GB1179301A true GB1179301A (en) 1970-01-28

Family

ID=27065070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3809/67A Expired GB1179301A (en) 1966-01-27 1967-01-25 Method of Depositing Heat Fusible Material and Apparatus therefor.

Country Status (4)

Country Link
BE (1) BE693139A (en)
FR (1) FR1509436A (en)
GB (1) GB1179301A (en)
NL (1) NL6701368A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858469A (en) * 1995-11-30 1999-01-12 Sermatech International, Inc. Method and apparatus for applying coatings using a nozzle assembly having passageways of differing diameter
CN107107097A (en) * 2014-12-04 2017-08-29 渐进表面公司 Combine the heat spraying method for optionally removing particle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2922406A1 (en) 2007-10-12 2009-04-17 Commissariat Energie Atomique LIQUID CHARGE INJECTION DEVICE FOR MIXING / CONVERTING WITHIN A DARD PLASMA OR A GASEOUS FLOW

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858469A (en) * 1995-11-30 1999-01-12 Sermatech International, Inc. Method and apparatus for applying coatings using a nozzle assembly having passageways of differing diameter
CN107107097A (en) * 2014-12-04 2017-08-29 渐进表面公司 Combine the heat spraying method for optionally removing particle

Also Published As

Publication number Publication date
NL6701368A (en) 1967-07-28
FR1509436A (en) 1968-01-12
BE693139A (en) 1967-07-03

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