US2846320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heat treating liquid foodstuff and beverages
Assignee: Alpura AG
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Filing: 1953-04-03
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Granted: 1958-08-05
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Expires: 1973-04-03
Abstract
No abstract record available.
Inventors
- 👤 Wittwer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; A23B2/00; A23B2/40; A23B2/42; A23B2/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN THE METHOD OF HEAT TREATING LIQUID FOODSTUFF AND BEVERAGES IN WHICH THE LIQUID TO BE TREATED IS MIXED WITH LIVE STEAM, THE LIQUID-STEAM MIXTURE IS EXPANDED WHEREBY STEAM IS SEPARATED FROM THE MIXTURE AND THE LIQUID FROM WHICH STEAM HAS BEEN SEPARATED BY EXPANSION IS REMOVED AS THE USEFUL PRODUCT, THE STEPS OF DIVERTING A CONTROLLED PORTION OF THE STEAM SEPARATED FROM THE LIQUIDSTEAM MIXTURE INTO A ZONE IN WHICH THE PRESSURE IS LOWER THAN THE PRESSURE OF THE EXPANDED LIQUID-STEAM MIXTURE, FOR CONTROLLING THE EXPANSION PRESSURE OF THE LIQUID-STEAM MIXTURE, AND OF INDIRECTLY TRANSFERRING HEAT FROM THE STEAM REMAINING AFTER SAID DIVERSION TO THE LIQUID TO BE TREATED FOR PREHEATING THE LIQUID PRIOR TO THE MIXING OF THE LIQUID WITH LIVE STEAM.
Claim 2
Dependent Claim
124 words
IN THE METHOD OF HEAT TREATING LIQUID FOODSTUFF AND BEVERAGES IN WHICH THE LIQUID TO BE TREATED IS MIXED WITH LIVE STEAM, THE LIQUID-STEAM MIXTURE IS EXPANDED WHEREBY STEAM IS SEPARATED FROM THE MIXTURE AND THE LIQUID FROM WHICH STEAM HAS BEEN SEPARATED BY EXPANSION IS REMOVED AS THE USEFUL PRODUCT, THE STEPS OF DIVERTING A CONTROLLED PORTION OF THE STEAM SEPARATED FROM THE LIQUIDSTEAM MIXTURE INTO A ZONE IN WHICH THE PRESSURE IS LOWER THAN THE PRESSURE OF THE EXPANDED LIQUID-STEAM MIXTURE, FOR CONTROLLING THE EXPANSION PRESSURE OF THE LIQUID-STEAM MIXTURE, AND OF INDIRECTLY TRANSFERRING HEAT FROM THE STEAM REMAINING AFTER SAID DIVERSION TO THE LIQUID TO BE TREATED FOR PREHEATING THE LIQUID PRIOR TO THE MIXING OF THE LIQUID WITH LIVE STEAM.
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |