Patent US2502134A successfully refreshed from Google Patents.
US2502134A
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US
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Method for drying protein
Assignee: Hercules Powder Co
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Filing: 1947-06-17
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Granted: 1950-03-28
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Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Erickson Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:09
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/02; F26B17/04; F26B13/00; F26B13/10; F26B13/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A METHOD OF DRYING PROTEIN WHEREIN A SOFT PROTEIN CURD IS FED THROUGH A DRYER ON A FORAMINOUS BELT, THE IMPROVEMENT COMPRISING PASSING DRYING AIR THROUGH THE DRYER VERTICALLY AND GENERALLY COUNTERCURRENTLY TO THE DIRECTION OF PASSING PROTEIN THERETHROUGH, REHEATING THE HEAVILY MOISTURE-LADEN EXIT DRYING AIR AND DRAWING THE REHEATED AIR DOWNWARDLY THROUGH THE PROTEIN CURD TO FORM A CRUST THEREON AND AT A RATE TO DRAW THE CURD INTO CLOSE AND ADHERENT CONTACT TO THE BELT, WHEREBY THE PROTEIN CURD IS RENDERED RESISTANT TO SUBSEQUENT UPWARD CURRENTS OF AIR.
Claim 2
Dependent Claim
91 words
IN A METHOD OF DRYING PROTEIN WHEREIN A SOFT PROTEIN CURD IS FED THROUGH A DRYER ON A FORAMINOUS BELT, THE IMPROVEMENT COMPRISING PASSING DRYING AIR THROUGH THE DRYER VERTICALLY AND GENERALLY COUNTERCURRENTLY TO THE DIRECTION OF PASSING PROTEIN THERETHROUGH, REHEATING THE HEAVILY MOISTURE-LADEN EXIT DRYING AIR AND DRAWING THE REHEATED AIR DOWNWARDLY THROUGH THE PROTEIN CURD TO FORM A CRUST THEREON AND AT A RATE TO DRAW THE CURD INTO CLOSE AND ADHERENT CONTACT TO THE BELT, WHEREBY THE PROTEIN CURD IS RENDERED RESISTANT TO SUBSEQUENT UPWARD CURRENTS OF AIR.
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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |