US3711310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repair process for aluminum and magnesium articles
Assignee: RTX Corp
•
Filing: 1971-07-26
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Granted: 1973-01-16
•
Expires: 1991-07-26
Abstract
Abstract Damaged articles formed of aluminum or magnesium, including the alloys thereof, are repaired by suitably preparing the damaged area as, for example, grinding away the fault; refilling the prepared area utilizing a plasma spray repair coating comprising aluminum or an aluminum-silicon alloy with a mixture of 10-40 weight percent molybdenum; and subsequently refinishing to dimension, if required.
Inventors
- 👤 H Leeper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
B; B23; B23P; B23P6/00; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067; Y; Y10; Y10S; Y10S29/00; Y10S29/039; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
The process according to claim 1 wherein: the article is preheated to a temperature of 200*-400*F. for the plasma spray coating step.
Claim 2
Dependent Claim
22 words
The process according to claim 2 wherein: the bulk temperature of the article during plasma spray coating is limited to 400*F. maximum.
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |