US3231387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuous puffing
Assignee: General Mills Inc
•
Filing: 1960-09-14
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Granted: 1966-01-25
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Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 Tsuchiya Takuzo
- 👤 Long George
- 👤 Hreha Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:01
CPC Classifications
A; A21; A21B; A21B5/00; A23; A23P; A23P30/00; A23P30/30; A23P30/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
THE METHOD OF CONTINUOUSLY PROCESSING AND PUFFING PARTICLES OF PUFFABLE MATERIAL WHICH COMPRISES FEEDING THE PARTICLES INTO AN INLET OF A PRESSURIZED PROCESSING CHAMBER HAVING SAID INLET AT ONE END AND A PUFFING ORIFICE AT THE OTHER END AND A HEATED GENERALLY HORIZONTALLY EXTENDING BARREL BETWEEN, PRESSURIZING SAID CHAMBER BY FEEDING A HEATED GASEOUS PROCESSING FLUID INTO SAID CHAMBER AT A LOCATION PROVIDING IMMEDIATE CONTACT OF THE INCOMING FLUID WITH SAID MATERIAL PARTICLES AS THE PARTICLES AND FLUID ENTER THE CHAMBER AT SAID ONE END WHILE MAINTAINING THE PROCESSING FLUID IN A TURBULENT CONDITION AT THE LOCATION OF INITIAL CONTACT WITH THE PARTICLES FOR EFFECTIVE INITIAL ACTION ON THE MATERIAL, PUFFING THE PARTICLES BY CONTINUOUSLY DISCHARGING BOTH FLUID AND THE PARTICLES THROUGH SAID PUFFING ORIFICES INTO A REGION OF SUBSTANTIALLY LOWER PRESSURE THAN THE PRESSURE WITHIN SAID CHAMBER, AND AGITATING THE PARTICLES IN HEAT TRANSFERRING RELATION WITH THE HEATED BARREL WHILE FEEDING THE PARTICLES BETWEEN SAID INLET AND SAID PUFFING ORIFICE.
Claim 2
Independent Claim
161 words
THE METHOD OF CONTINUOUSLY PROCESSING AND PUFFING PARTICLES OF PUFFABLE MATERIAL WHICH COMPRISES FEEDING THE PARTICLES INTO AN INLET OF A PRESSURIZED PROCESSING CHAMBER HAVING SAID INLET AT ONE END AND A PUFFING ORIFICE AT THE OTHER END AND A HEATED GENERALLY HORIZONTALLY EXTENDING BARREL BETWEEN, PRESSURIZING SAID CHAMBER BY FEEDING A HEATED GASEOUS PROCESSING FLUID INTO SAID CHAMBER AT A LOCATION PROVIDING IMMEDIATE CONTACT OF THE INCOMING FLUID WITH SAID MATERIAL PARTICLES AS THE PARTICLES AND FLUID ENTER THE CHAMBER AT SAID ONE END WHILE MAINTAINING THE PROCESSING FLUID IN A TURBULENT CONDITION AT THE LOCATION OF INITIAL CONTACT WITH THE PARTICLES FOR EFFECTIVE INITIAL ACTION ON THE MATERIAL, PUFFING THE PARTICLES BY CONTINUOUSLY DISCHARGING BOTH FLUID AND THE PARTICLES THROUGH SAID PUFFING ORIFICES INTO A REGION OF SUBSTANTIALLY LOWER PRESSURE THAN THE PRESSURE WITHIN SAID CHAMBER, AND AGITATING THE PARTICLES IN HEAT TRANSFERRING RELATION WITH THE HEATED BARREL WHILE FEEDING THE PARTICLES BETWEEN SAID INLET AND SAID PUFFING ORIFICE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |