Patent US3197337A successfully refreshed from Google Patents.
US3197337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch heater and method
Assignee: Unilever Bestfoods North America
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Filing: 1963-01-18
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Granted: 1965-07-27
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Norbert F Schink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:54
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/06; C; C08; C08B; C08B30/00; C08B30/12; C08B30/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
205 words
A TANGENTIAL TYPE STARCH SLURRY HEATER COMPRISING AN OUTER TUBULAR CASING, AN INJECTOR TUBE ARRANGED WITHIN AND EXTENDING LONGITUDINALLY OF SAID CASING AND SPACED INWARDLY FROM THE WALL OF THE CASING TO FORM AN ANNULAR CHAMBER BETWEEN SAID INJECTOR TUBE AND SAID CASING, SAID CASING HAVING A TANGENTIAL INLET THROUGH WHICH STARCH SLURRY ENTERS SAID ANNULAR CHAMBER AND FLOWS HELICALLY THROUGH SAID CHAMBER ABOUT SAID INJECTOR TUBE FOR PASSAGE FROM AN OUTLET FROM SAID CHAMBER AS GELATINIZED STARCH, SAID INJECTOR TUBE HAVING A MULTITUDE OF ORIFICES THROUGH WHICH STEAM FLOWS INTO CONTACTS WITH THE STARCH SLURRY IN SAID CHAMBER, AND AN INNER PIPE ARRANGED WITHIN AND EXTENDING LONGITUDINALLY OF SAID INJECTOR TUBE AND HAVING A STEAM INLET FOR THE ENTRY OF STEAM FOR TRAVEL THROUGH THE INSIDE OF SAID INNER PIPE, SAID INNER PIPE HAVING A CUT OUT AREA IN THE WALL THEREOF THROUGH WHICH THE STREAM PASSES FROM SAID INNER PIPE AND FLOWS THROUGH THE ORIFICES IN THE INJECTOR TUBE AND CONTACTS THE STARCH SLURRY IN SAID CHAMBER, SAID INNER PIPE BEING MOUNTED TO TURN RELATIVE TO SAID INJECTOR TUBE FOR VARYING THE REGISTER OF SAID CUT OUT AREA WITH SAID ORIFICES AND THE STEAM PRESSURE ACROSS SAID ORIFICES DURING OPERATION OF THE HEATER.
Claim 2
Dependent Claim
205 words
A TANGENTIAL TYPE STARCH SLURRY HEATER COMPRISING AN OUTER TUBULAR CASING, AN INJECTOR TUBE ARRANGED WITHIN AND EXTENDING LONGITUDINALLY OF SAID CASING AND SPACED INWARDLY FROM THE WALL OF THE CASING TO FORM AN ANNULAR CHAMBER BETWEEN SAID INJECTOR TUBE AND SAID CASING, SAID CASING HAVING A TANGENTIAL INLET THROUGH WHICH STARCH SLURRY ENTERS SAID ANNULAR CHAMBER AND FLOWS HELICALLY THROUGH SAID CHAMBER ABOUT SAID INJECTOR TUBE FOR PASSAGE FROM AN OUTLET FROM SAID CHAMBER AS GELATINIZED STARCH, SAID INJECTOR TUBE HAVING A MULTITUDE OF ORIFICES THROUGH WHICH STEAM FLOWS INTO CONTACTS WITH THE STARCH SLURRY IN SAID CHAMBER, AND AN INNER PIPE ARRANGED WITHIN AND EXTENDING LONGITUDINALLY OF SAID INJECTOR TUBE AND HAVING A STEAM INLET FOR THE ENTRY OF STEAM FOR TRAVEL THROUGH THE INSIDE OF SAID INNER PIPE, SAID INNER PIPE HAVING A CUT OUT AREA IN THE WALL THEREOF THROUGH WHICH THE STREAM PASSES FROM SAID INNER PIPE AND FLOWS THROUGH THE ORIFICES IN THE INJECTOR TUBE AND CONTACTS THE STARCH SLURRY IN SAID CHAMBER, SAID INNER PIPE BEING MOUNTED TO TURN RELATIVE TO SAID INJECTOR TUBE FOR VARYING THE REGISTER OF SAID CUT OUT AREA WITH SAID ORIFICES AND THE STEAM PRESSURE ACROSS SAID ORIFICES DURING OPERATION OF THE HEATER.
Claim 3
Independent Claim
49 words
THE METHOD OF HEATING AND GELATINIZING A STARCH SLURRY WHICH COMPRISES DISPOSING THE STARCH SLURRY INTO AN ELONGATED ANNULAR CONFIGURATION, INTRODUCING STEAM WITHIN THE ANNULAR CONFIGURATION AND THROUGH A MULTITUDE OF LONGITUDINALLY AND CIRCUMFERENTIALLY ORIFICES INTO CONTACT WITH THE STARCH SLURRY, AND VARY THE TOTAL AREA OF THE ORIFICES.
Claim 4
Independent Claim
49 words
THE METHOD OF HEATING AND GELATINIZING A STARCH SLURRY WHICH COMPRISES DISPOSING THE STARCH SLURRY INTO AN ELONGATED ANNULAR CONFIGURATION, INTRODUCING STEAM WITHIN THE ANNULAR CONFIGURATION AND THROUGH A MULTITUDE OF LONGITUDINALLY AND CIRCUMFERENTIALLY ORIFICES INTO CONTACT WITH THE STARCH SLURRY, AND VARY THE TOTAL AREA OF THE ORIFICES.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |