US3742585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing strip from metal powder
Assignee: Homogeneous Metals Inc
•
Filing: 1970-12-28
•
Granted: 1973-07-03
•
Expires: 1990-12-28
Abstract
Abstract A method is provided for forming metal strip from metal powders by spraying the powder as molten metal onto a cooled moving metal foil and thereafter consolidating the foil and sprayed metal by applying pressure.
Inventors
- 👤 J Wentzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/12; C23C4/14; C23C4/137; Y; Y10; Y10S; Y10S29/00; Y10S29/039; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/4981; Y10T29/4998; Y10T29/49982; Y10T29/49988; Y10T29/49991
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
21 words
A method as claimed in claim 1 wherein the foil is cooled simultaneously with the application of the molten spray thereto.
Claim 2
Dependent Claim
21 words
A method as claimed in claim 1 wherein the foil is coated with metal spray while changing direction of the foil.
Claim 3
Dependent Claim
23 words
A method as claimed in claim 1 wherein the metal foil is a member selected from the group aluminum, nickel, copper and iron.
Claim 4
Dependent Claim
15 words
A method as claimed in claim 1 wherein the metal is consolidated by pressure rolling.
Claim 5
Dependent Claim
23 words
A method claimed in claim 1 wherein the metal powder is passed through a plasma gun to form a molten spray of metal.
Claim 6
Dependent Claim
19 words
A method as claimed in claim 1 wherein the foil is removed by etching after consolidation of the metal.
Claim 7
Dependent Claim
38 words
A method as claimed in claim 1 wherein the foil is passed over a water cooled roll in an inert atmosphere and the molten metal sprayed onto the foil while the foil is on the water cooled roll.
References Cited (Backward Citations)
US3310870A
Cited
US2129702A
Cited
US2289311A
Cited
US2490543A
Cited
US2639490A
Cited
US2864137A
Cited
US3025182A
Cited
US3221392A
Cited
US3378392A
Cited
US3652317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |