US2671559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of press forging metal alloys
Assignee: Individual
•
Filing: 1950-01-06
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Granted: 1954-03-09
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Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Rosenkranz Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:03
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS OF PRESS FORGING METAL ALLOYS, COMPRISING THE STEPS OF PASSING A METAL ALLOY AT HIGH SPEED AT A TEMPERATURE BETWEEN THE TEMPERATURE OF COMPLETE MISCIBILITY IN THE SOLID STATE OF THE COMPONENTS OF SAID ALLOY AND THE SOLIDUS TEMPERATURE OF SAID ALLOY THROUGH A DIE CHANNEL HAVING A FRICTIONAL SURFACE AND SUFFICIENT LENGTH TO EFFECT DURING PASSAGE OF SAID METAL ALLOY THROUGH THE CHANNEL AT SAID TEMPERATURE COMPLETE DISSOLUTION OF THE COMPONENTS OF SAID ALLOY IN EACH OTHER; AND EXTRUDING AT THE END OF THE DIE CHANNEL SAID METAL ALLOY AT SAID TEMPERATURE THROUGH AN APERTURE SO AS TO FORM AN EXTRUDED METAL ALLOY PIECE FREE OF HEAT FRACTURES.
Claim 2
Dependent Claim
111 words
A PROCESS OF PRESS FORGING METAL ALLOYS, COMPRISING THE STEPS OF PASSING A METAL ALLOY AT HIGH SPEED AT A TEMPERATURE BETWEEN THE TEMPERATURE OF COMPLETE MISCIBILITY IN THE SOLID STATE OF THE COMPONENTS OF SAID ALLOY AND THE SOLIDUS TEMPERATURE OF SAID ALLOY THROUGH A DIE CHANNEL HAVING A FRICTIONAL SURFACE AND SUFFICIENT LENGTH TO EFFECT DURING PASSAGE OF SAID METAL ALLOY THROUGH THE CHANNEL AT SAID TEMPERATURE COMPLETE DISSOLUTION OF THE COMPONENTS OF SAID ALLOY IN EACH OTHER; AND EXTRUDING AT THE END OF THE DIE CHANNEL SAID METAL ALLOY AT SAID TEMPERATURE THROUGH AN APERTURE SO AS TO FORM AN EXTRUDED METAL ALLOY PIECE FREE OF HEAT FRACTURES.
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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |