US3297448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuous cooking and sterilization of liquids and suspensions
Assignee: Kraft Heinz Foods Co
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Filing: 1964-06-26
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Granted: 1967-01-10
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Richard A Smith
- 👤 Wojnar Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:52
CPC Classifications
B; B01; B01B; B01B1/00; A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/46; A23B2/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
THE METHOD OF HEAT PROCESSING A FLOWABLE LIQUID PRODUCT COMPRISING CONTINUOUSLY TRANSFERRING LIQUID FROM A STORAGE VESSEL AND DISPERSING IT THROUGH A SPRAY NOZZLE INTO THE UPPER PART OF AN ENCLOSED ENVIRONMENT HAVING A BOTTOM INTO WHICH THE LIQUID PRODUCT GRAVITATES AND IS COLLECTED, MAINTAINING AN ATMOSPHERE OF STEAM IN SIAD ENVIRONMENT AT A CONSTANT PRESSURE AND TEMPERATURE WITH THE TEMPERATURE HIGHER THAN THE TEMPERATURE OF THE INCOMING PRODUCT AND RAPIDLY HEATING THE LIQUID PRODUCT TO A PREDETERMINED TEMPERATURE, FLOWING THE LIQUID PRODUCT FORM SAID BOTTOM INTO A TUBULAR HOLDING SECTION THROUGH WHICH IT FLOWS AND IN WHICH IT REMAINS AT A PREDETERMINED TEMPERATURE, REGULATING THE RATE OF FLOW OF THE PRODUCT THROUGH THE HOLDING SECTION TO RETAIN THE PRODUCT IN THE HOLDING SECTION FOR A PREDETERMINED TIME PERIOD, AND REGULATING THE RATE OF TRANSFER OF LIQUID FROM THE STORAGE VESSEL TO THE SPRAY NOZZLE BY THE LIQUID LEVEL IN SAID BOTTOM AND THEREBY LIMIT THE AVERAGE RETENTION TIME OF THE LIQUID PRODUCT IN THE BOTTOM OF SAID CLOSED ENVIRONMENT.
Claim 2
Independent Claim
170 words
THE METHOD OF HEAT PROCESSING A FLOWABLE LIQUID PRODUCT COMPRISING CONTINUOUSLY TRANSFERRING LIQUID FROM A STORAGE VESSEL AND DISPERSING IT THROUGH A SPRAY NOZZLE INTO THE UPPER PART OF AN ENCLOSED ENVIRONMENT HAVING A BOTTOM INTO WHICH THE LIQUID PRODUCT GRAVITATES AND IS COLLECTED, MAINTAINING AN ATMOSPHERE OF STEAM IN SIAD ENVIRONMENT AT A CONSTANT PRESSURE AND TEMPERATURE WITH THE TEMPERATURE HIGHER THAN THE TEMPERATURE OF THE INCOMING PRODUCT AND RAPIDLY HEATING THE LIQUID PRODUCT TO A PREDETERMINED TEMPERATURE, FLOWING THE LIQUID PRODUCT FORM SAID BOTTOM INTO A TUBULAR HOLDING SECTION THROUGH WHICH IT FLOWS AND IN WHICH IT REMAINS AT A PREDETERMINED TEMPERATURE, REGULATING THE RATE OF FLOW OF THE PRODUCT THROUGH THE HOLDING SECTION TO RETAIN THE PRODUCT IN THE HOLDING SECTION FOR A PREDETERMINED TIME PERIOD, AND REGULATING THE RATE OF TRANSFER OF LIQUID FROM THE STORAGE VESSEL TO THE SPRAY NOZZLE BY THE LIQUID LEVEL IN SAID BOTTOM AND THEREBY LIMIT THE AVERAGE RETENTION TIME OF THE LIQUID PRODUCT IN THE BOTTOM OF SAID CLOSED ENVIRONMENT.
References Cited (Backward Citations)
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US2549575A
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US2766126A
Cited
US2908577A
Cited
US2999024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |