GB432831A - Apparatus for projecting or spraying metals or other pulverized substances - Google Patents
Apparatus for projecting or spraying metals or other pulverized substancesInfo
- Publication number
- GB432831A GB432831A GB1707734A GB1707734A GB432831A GB 432831 A GB432831 A GB 432831A GB 1707734 A GB1707734 A GB 1707734A GB 1707734 A GB1707734 A GB 1707734A GB 432831 A GB432831 A GB 432831A
- Authority
- GB
- United Kingdom
- Prior art keywords
- powder
- passage
- air
- spraying
- stream
- 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
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
- 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
- B05B7/20—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 by flame or combustion
- B05B7/201—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 by flame or combustion downstream of the nozzle
- B05B7/205—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 by flame or combustion downstream of the nozzle the material to be sprayed being originally a particulate material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Nozzles (AREA)
Abstract
432,831. Spraying molten materials. SCHORI, F., Wetzikon, Switzerland. Jan. 8, 1934, No. 17077. [Class 69 (iii)] [See also Group II] Apparatus for spraying metal or other fusible material of the kind in which the material is sucked into apparatus in pulverulent form in an air stream and fused and sprayed at a nozzle, comprises a handle 9 having passages 15 for the combustible mixture, 44 for the spraying air and 45 for the powder laden stream. The handle is formed in one with a part 1 bored out to receive the atomizing and spraying members. The handle contains a body 29 through the centre bore of which the comburent gas, e.g. oxygen, is led and emerges into a conical passage 16 while the combustible gas, e.g. acetylene, passes through peripheral grooves 32 leading to an annular passage 33 around the body 29 and thence to the diverging tube 16 which is held in place by a collar 27. The gases are separately regulated by needle valves 35, 38. The powder-laden stream is supplied through a passage 8 provided with a vent at 10 to an annular passage 7 and thence to the centre bore of the sprayer. Compressed air is supplied through a passage 44 to an annular chamber 12 and thence past passes to the atomizing nozzle and part to an ejector nozzle 3 regulated by a needle valve 4 by which the powder-laden stream is drawn from the passage 45 and blown through the central bore 20. As the powder emerges from the bore 20 it is fused by a flame formed at the annular space 27, which is preferably of elliptical form, and atomized by compressed air emerging through the annulus 19. While in operation the vent 10 is closed, but on opening air is drawn into the apparatus and powder no longer delivered. The powder may be contained in a vessel 46, Fig. 4, provided with a screen 47 and provided with a conical bottom into which fits a member 48 provided with a passage 49 for the powder leading to the junction of a regulable air inlet 50 and an outlet 53 connected to the passage 45. A small compressed air turbine 54 vibrates the hopper to assist in the screening of the powder and its feeding into the air stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1707734A GB432831A (en) | 1934-06-08 | 1934-06-08 | Apparatus for projecting or spraying metals or other pulverized substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1707734A GB432831A (en) | 1934-06-08 | 1934-06-08 | Apparatus for projecting or spraying metals or other pulverized substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB432831A true GB432831A (en) | 1935-08-02 |
Family
ID=10088829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1707734A Expired GB432831A (en) | 1934-06-08 | 1934-06-08 | Apparatus for projecting or spraying metals or other pulverized substances |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB432831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958767A (en) * | 1987-04-29 | 1990-09-25 | Aerospatiale Societe Nationale Industrielle | Process and device for injecting a matter in fluid form into a hot gaseous flow and apparatus carrying out this process |
-
1934
- 1934-06-08 GB GB1707734A patent/GB432831A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958767A (en) * | 1987-04-29 | 1990-09-25 | Aerospatiale Societe Nationale Industrielle | Process and device for injecting a matter in fluid form into a hot gaseous flow and apparatus carrying out this process |
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