GB1433137A – Plasma arc spraying and apparatus therefor
– Google Patents
GB1433137A – Plasma arc spraying and apparatus therefor
– Google Patents
Plasma arc spraying and apparatus therefor
Info
Publication number
GB1433137A
GB1433137A
GB2517972A
GB2517972A
GB1433137A
GB 1433137 A
GB1433137 A
GB 1433137A
GB 2517972 A
GB2517972 A
GB 2517972A
GB 2517972 A
GB2517972 A
GB 2517972A
GB 1433137 A
GB1433137 A
GB 1433137A
Authority
GB
United Kingdom
Prior art keywords
tube
substrate
nozzle
hot gas
entrained
Prior art date
1972-05-30
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
GB2517972A
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.)
Union Carbide UK Ltd
Original Assignee
Union Carbide UK Ltd
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.)
1972-05-30
Filing date
1972-05-30
Publication date
1976-04-22
1972-05-30
Application filed by Union Carbide UK Ltd
filed
Critical
Union Carbide UK Ltd
1972-05-30
Priority to GB2517972A
priority
Critical
patent/GB1433137A/en
1973-05-28
Priority to CA172,431A
priority
patent/CA1000125A/en
1973-05-29
Priority to DE19732327395
priority
patent/DE2327395C3/en
1973-05-29
Priority to JP5940673A
priority
patent/JPS5318173B2/ja
1973-05-29
Priority to FR7319479A
priority
patent/FR2186851A5/fr
1973-05-29
Priority to CH774073A
priority
patent/CH589145A5/xx
1976-04-22
Publication of GB1433137A
publication
Critical
patent/GB1433137A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D67/0081—After-treatment of organic or inorganic membranes
B01D67/0093—Chemical modification
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
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
Abstract
1433137 Spray producers; coatings UNION CARBIDE UK Ltd 29 May 1973 [30 May 1972] 25179/72 Headings B2E and B2F [Also in Divisions C7 and H5] In plasma spraying, wherein an arc is maintained between first and second electrodes 3 and 5, a gas is passed into said arc (through block 2) to produce a hot gas effluent which passes through constricting nozzle 4, and together with a coating powder entrained therein is directed at a substrate to be coated, said substrate being >7.5 cm from said nozzle, and the hot gas effluent and entrained coating powder are passed through a chamber in the form of a tube 6 between the nozzle and the substrate in which tube a zone of sub-atmospheric pressure is maintained by providing a sheath of gas moving in a helical path through said tube between the inner surface 12 thereof and said hot gas effluent having powder entrained therein. Said tube 6 may be cylindrical as shown, or tapered outwardly toward the substrate, or may first taper inwardly and then outwardly; the means for supplying the helical gas flow may be an inlet 9 leading to a spiral channel 10 in an insert 7 as shown, or may be a series of tangetial inlets; various forms are described referring to Figs. 2-6 (not shown). There may be an air-gap between the said nozzle and the tube 6. The powder feed rate may be 25-60 g/min and the surface speed less than 25 cm/sec; the zone of reduced pressure preferably extends beyond tube 6 as far as the substrate. Coating materials referred to are Cr 2 O 3 , WC-Co, Al 2 O 3 , Ni, Co-Cr-Ni-W and Ta.
GB2517972A
1972-05-30
1972-05-30
Plasma arc spraying and apparatus therefor
Expired
GB1433137A
(en)
Priority Applications (6)
Application Number
Priority Date
Filing Date
Title
GB2517972A
GB1433137A
(en)
1972-05-30
1972-05-30
Plasma arc spraying and apparatus therefor
CA172,431A
CA1000125A
(en)
1972-05-30
1973-05-28
Process for controlling high temperature gaseous effluents
DE19732327395
DE2327395C3
(en)
1972-05-30
1973-05-29
Plasma spray device
JP5940673A
JPS5318173B2
(en)
1972-05-30
1973-05-29
FR7319479A
FR2186851A5
(en)
1972-05-30
1973-05-29
CH774073A
CH589145A5
(en)
1972-05-30
1973-05-29
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB2517972A
GB1433137A
(en)
1972-05-30
1972-05-30
Plasma arc spraying and apparatus therefor
Publications (1)
Publication Number
Publication Date
GB1433137A
true
GB1433137A
(en)
1976-04-22
Family
ID=10223526
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2517972A
Expired
GB1433137A
(en)
1972-05-30
1972-05-30
Plasma arc spraying and apparatus therefor
Country Status (6)
Country
Link
JP
(1)
JPS5318173B2
(en)
CA
(1)
CA1000125A
(en)
CH
(1)
CH589145A5
(en)
DE
(1)
DE2327395C3
(en)
FR
(1)
FR2186851A5
(en)
GB
(1)
GB1433137A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
USRE31018E
(en)
1980-11-13
1982-08-24
Metco Inc.
Method and apparatus for shielding the effluent from plasma spray gun assemblies
GB2175991A
(en)
*
1985-03-19
1986-12-10
Proprietary Coating Ind Limite
Flame spraying gun
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3618665A1
(en)
*
1986-06-03
1987-12-10
Aesculap Werke Ag
METHOD FOR APPLYING A PROTECTIVE LAYER ON JOINT OPROSTHESES
FR2714763B1
(en)
*
1993-12-30
1996-03-15
Framatome Sa
Method and device for producing a waterproof protective coating on a surface of a nuclear reactor component and applications.
DE102008037799B4
(en)
*
2008-08-14
2012-03-22
Daimler Ag
Method and device for thermal spraying
CN107475660B
(en)
*
2017-08-31
2019-11-15
无锡科特金属表面处理有限公司
A kind of plasma ashing tungsten spraying production technology
1972
1972-05-30
GB
GB2517972A
patent/GB1433137A/en
not_active
Expired
1973
1973-05-28
CA
CA172,431A
patent/CA1000125A/en
not_active
Expired
1973-05-29
FR
FR7319479A
patent/FR2186851A5/fr
not_active
Expired
1973-05-29
DE
DE19732327395
patent/DE2327395C3/en
not_active
Expired
1973-05-29
JP
JP5940673A
patent/JPS5318173B2/ja
not_active
Expired
1973-05-29
CH
CH774073A
patent/CH589145A5/xx
not_active
IP Right Cessation
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
USRE31018E
(en)
1980-11-13
1982-08-24
Metco Inc.
Method and apparatus for shielding the effluent from plasma spray gun assemblies
GB2175991A
(en)
*
1985-03-19
1986-12-10
Proprietary Coating Ind Limite
Flame spraying gun
Also Published As
Publication number
Publication date
JPS4979932A
(en)
1974-08-01
JPS5318173B2
(en)
1978-06-13
FR2186851A5
(en)
1974-01-11
CH589145A5
(en)
1977-06-30
DE2327395B2
(en)
1978-12-21
DE2327395A1
(en)
1973-12-13
CA1000125A
(en)
1976-11-23
DE2327395C3
(en)
1979-08-23
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Legal Events
Date
Code
Title
Description
1976-09-02
PS
Patent sealed
1993-01-27
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19920529
