Patent US4127696A successfully refreshed from Google Patents.
Patent US4513020A successfully refreshed from Google Patents.
US4513020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platelet metal powder for coating a substrate
Assignee: Honeywell International Inc
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Filing: 1983-04-08
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Granted: 1985-04-23
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Expires: 2003-04-08
Abstract
Abstract The present invention is for a flat platelet powder for deposition onto a substrate. The powder is formed by fracture of brittle sheet or ribbon. The resulting powder has a faceted outline formed by fracture. The powder of the present invention produces a dense deposit.
Inventors
- 👤 James Dickson
- 👤 Charles Hays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:40
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; B22F9/002; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
106 words
A method for depositing a coating free from interconnected porosity onto a substrate comprising: (a) selecting an alloy based on Fe, Ni, Co or a combination thereof, said alloy being powder in platelet form, said powder being formed by fracturing of a brittle alloy and said powder having a particle size distribution such that at least 50% will not pass through a 270 Tyler mesh sieve and up to 15 percent will pass through an 80 Tyler mesh sieve but not through a 100 Tyler mesh sieve; (b) processing said powder by passing it through a torch; and (c) depositing said processed powder onto a substrate.
Claim 2
Independent Claim
106 words
A method for depositing a coating free from interconnected porosity onto a substrate comprising: (a) selecting an alloy based on Fe, Ni, Co or a combination thereof, said alloy being powder in platelet form, said powder being formed by fracturing of a brittle alloy and said powder having a particle size distribution such that at least 50% will not pass through a 270 Tyler mesh sieve and up to 15 percent will pass through an 80 Tyler mesh sieve but not through a 100 Tyler mesh sieve; (b) processing said powder by passing it through a torch; and (c) depositing said processed powder onto a substrate.
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein said torch is an arc plasma torch.
Claim 4
Dependent Claim
13 words
The method of claim 1 wherein said torch is a flame spray torch.
References Cited (Backward Citations)
US4297135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-22 | 1988-10-22 | 1989-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-22 | 1992-10-22 | 1993-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-22 | 1996-10-22 | 1997-04-23 | $7700.00 | Window Closed / Lapsed |