US3314802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of temperature regulation in a spice grinding process
Assignee: Akzo Nobel Paints LLC
•
Filing: 1965-03-22
•
Granted: 1967-04-18
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Cohodas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:16
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; A23L; A23L27/00; A23L27/10; A23L27/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A PROCESS FOR THE GRINDING OF SOLID SPICE IN A MILLING ZONE IN THE PRESENCE OF NORMALLY GASEOUS REFRIGERANT WHEREIN SPICE TO BE GROUND AND A FLOW OF SAID REFRIGERANT ARE FED TO SAID MILLING ZONE AND A SUSPENSION OF GROUND SPICE IN RESULTING VAPOR IS DISCHARGED FROM SAID MILLING ZONE, THE IMPROVEMENT WHICH COMPRISES: ESTABLISHING AND MAINTAINING A FIXED RATE MAIN REFRIGERANT FLOW TO SAID MILLING ZONE A SMALLER VARIABLE RATE AUXILIARY FLUID REFRIGERANT FLOW TO SAID MILLING ZONE; AND MAINTAINING TEMPERATURE OF RESULTING OUTPUT REFRIGERANT VAPOR SUBSTANTIALLY CONSTANT AT A PREDETERMINED VALUE ABOVE THE AMBIENT DEW POINT AND BELOW THE SPICE DETERIORATION TEMPERATURE BY VARYING THE RATE OF SAID AUXILIARY FLOW IN RESPONSE TO TEMPERATURE CHANGE IN SAID RESULTING OUTPUT VAPOR.
Claim 2
Dependent Claim
124 words
IN A PROCESS FOR THE GRINDING OF SOLID SPICE IN A MILLING ZONE IN THE PRESENCE OF NORMALLY GASEOUS REFRIGERANT WHEREIN SPICE TO BE GROUND AND A FLOW OF SAID REFRIGERANT ARE FED TO SAID MILLING ZONE AND A SUSPENSION OF GROUND SPICE IN RESULTING VAPOR IS DISCHARGED FROM SAID MILLING ZONE, THE IMPROVEMENT WHICH COMPRISES: ESTABLISHING AND MAINTAINING A FIXED RATE MAIN REFRIGERANT FLOW TO SAID MILLING ZONE A SMALLER VARIABLE RATE AUXILIARY FLUID REFRIGERANT FLOW TO SAID MILLING ZONE; AND MAINTAINING TEMPERATURE OF RESULTING OUTPUT REFRIGERANT VAPOR SUBSTANTIALLY CONSTANT AT A PREDETERMINED VALUE ABOVE THE AMBIENT DEW POINT AND BELOW THE SPICE DETERIORATION TEMPERATURE BY VARYING THE RATE OF SAID AUXILIARY FLOW IN RESPONSE TO TEMPERATURE CHANGE IN SAID RESULTING OUTPUT VAPOR.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |