US4486470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting and coating with metallic particles
Assignee: TDY Industries LLC
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Filing: 1983-09-15
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Granted: 1984-12-04
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Expires: 2003-09-15
Abstract
Abstract A device for producing metallic particles utilizing the Coanda Effect to draw one stream of gas toward another stream of gas flowing over a foil. Molten metal is introduced between the two gas streams, and the resulting interaction breaks up the molten metal flow into particles of appropriate size, shape, composition and the like. Various embodiments can be used for the process of producing cast articles, while other versions can be used for the process of coating and deposition of the particles in liquid, solid or partially solidified form onto a substrate.
Inventors
- 👤 Earl N. Stuck
- 👤 Victor F. Zackay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082; B05; B05B; B05B7/00; B05B7/24; B05B7/26; B05B7/28; B05B7/30; B22D; B22D23/00; B22D23/003; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/12; C23C4/123; B22F2009/0824; B22F2009/088; B22F2009/0888; B22F2999/00; Y; Y10; Y10S; Y10S239/00; Y10S239/07
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
141 words
A process for producing a metallic article comprising steps of: defining a Coanda surface; flowing a first fluid along the Coanda surface; locating a second fluid adjacent the Coanda surface, said first and second fluids being selected and located with respect to each other so that the flow of said first fluid influences said second fluid to flow in a direction which intersects said first fluid; flowing a molten metal adjacent the Coanda surface; locating the molten metal flow so that said molten metal flow is located between said first and second fluids; flowing said fluids and said molten metal to an intersection position whereat said first and second fluids intersect, said fluids and said molten metal intermixing thereby breaking up said molten metal flow into metallic droplets; and depositing said metallic droplets onto a substrate to produce a metallic article.
Claim 2
Dependent Claim
141 words
A process for producing a metallic article comprising steps of: defining a Coanda surface; flowing a first fluid along the Coanda surface; locating a second fluid adjacent the Coanda surface, said first and second fluids being selected and located with respect to each other so that the flow of said first fluid influences said second fluid to flow in a direction which intersects said first fluid; flowing a molten metal adjacent the Coanda surface; locating the molten metal flow so that said molten metal flow is located between said first and second fluids; flowing said fluids and said molten metal to an intersection position whereat said first and second fluids intersect, said fluids and said molten metal intermixing thereby breaking up said molten metal flow into metallic droplets; and depositing said metallic droplets onto a substrate to produce a metallic article.
Claim 3
Dependent Claim
19 words
The process of claim 1 wherein the metallic droplets are deposited on a substrate to produce a coated article.
Claim 4
Dependent Claim
19 words
The process of claim 1 wherein the metallic droplets are deposited on a collector to produce a cast shape.
Claim 5
Dependent Claim
18 words
The process of claim 1 wherein the droplets when deposited on the substrate are in a liquid state.
Claim 6
Dependent Claim
16 words
The process of claim 1 wherein the droplets when deposited on the substrate are partially solidified.
Claim 7
Dependent Claim
18 words
The process of claim 1 wherein the droplets when deposited on the substrate are in a solid state.
Claim 8
Dependent Claim
11 words
The process of claim 1 wherein the first fluid is inert.
Claim 9
Dependent Claim
12 words
The process of claim 1 wherein the first fluid is chemically reactive.
Claim 10
Dependent Claim
12 words
The process of claim 1 wherein the first fluid contains particulate matter.
Claim 11
Dependent Claim
11 words
The process of claim 1 wherein the second fluid is inert.
Claim 12
Dependent Claim
12 words
The process of claim 1 wherein the second fluid is chemically reactive.
Claim 13
Dependent Claim
12 words
The process of claim 1 wherein the second fluid contains particulate matter.
Claim 14
Dependent Claim
30 words
The process of claim 1 wherein the molten metal is at least one member selected from the group consisting of a single metal, an alloy and a mixture of metals.
Claim 15
Dependent Claim
15 words
The process of claim 13 wherein the molten metal is a liquid containing solid particles.
Claim 16
Dependent Claim
13 words
The process of claims 9, 12 or 14 wherein the particles are reactive.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-04 | 1988-06-04 | 1988-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-04 | 1992-06-04 | 1992-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-04 | 1996-06-04 | 1996-12-04 | $7700.00 | Window Closed / Lapsed |