US3201093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Dow Chemical Co
•
Filing: 1962-04-10
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Granted: 1965-08-17
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Alan G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/10; B01F25/103; B01F25/20; B01F25/25; B01F33/00; B01F33/80; B01F33/82; B01F33/821; B01F35/00; B01F35/71; B01F35/712; B01F35/717; B01F35/7176; B01F35/71825; B01F35/75; B01F35/754; B01F35/7547; B01F2101/00; B01F2101/28; B01F23/00; B01F23/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
SLURRY MIXING APPARATUS COMPRISING A VORTEX FORMING CHAMBER, SAID CHAMBER HAVING A TOP, A BOTTOM, AND A GENERALLY CIRCULAR INNER PERIPHERAL WALL, PUMPABLE MATERIAL INLET MEANS, SAID MEANS COMMUNICATING WITH SAID WALL AND HAVING A FLOW AXIS WHICH IS DISPOSED GENERALLY IN TANGENTIAL ALIGNEMENT WITH RESPECT TO THE INNER PERIPHERAL WALL, A PARTICULATE MATERIAL INLET BORE, SAID BORE BEING COAXIAL WITH THE LONGITUDINAL AXIS OF SAID CHAMBER, AND EXTENDING THROUGH THE TOP OF SAID CHHAMBR, A PARTICULATE MATERIALS INLET PIPE, SAID PIPE BEING ALIGNED WITH AND EXTENDING THROUGH SAID INLET BORE AND INTO SAID CHAMBER, A VORTEX DISCHARGE BORE, SAID BORE BEING COAXIAL WITH THE LONGITUDINAL AXIS OF THE CHAMBER AND EXTENDING THROUGH THE BOTTOM OF SAID CHAMBER, SAID DISCHARGE BORE BEING LARGER IN DIAMETER THAN SAID INLET BORE, SAID BAFFLE MEANS, SAID BAFFLE MEANS A MEMBER HAVING A FLAT PLATE-LIKE SURFACE DISPOSED AT A DISTANCE OF BETWEEN ONE-HALF INCH ANND THE DIAMETER OF SAID DISCHARGE BORE FROM THE BOTTOM OF SAID CHAMBER BELOW SAID DISCHARGE BORE AND IN THE PATH OF PUMPABLE MATERIAL ESCAPING FROM A VORTEX WITHIN SAID CHAMBER.
Claim 2
Dependent Claim
181 words
SLURRY MIXING APPARATUS COMPRISING A VORTEX FORMING CHAMBER, SAID CHAMBER HAVING A TOP, A BOTTOM, AND A GENERALLY CIRCULAR INNER PERIPHERAL WALL, PUMPABLE MATERIAL INLET MEANS, SAID MEANS COMMUNICATING WITH SAID WALL AND HAVING A FLOW AXIS WHICH IS DISPOSED GENERALLY IN TANGENTIAL ALIGNEMENT WITH RESPECT TO THE INNER PERIPHERAL WALL, A PARTICULATE MATERIAL INLET BORE, SAID BORE BEING COAXIAL WITH THE LONGITUDINAL AXIS OF SAID CHAMBER, AND EXTENDING THROUGH THE TOP OF SAID CHHAMBR, A PARTICULATE MATERIALS INLET PIPE, SAID PIPE BEING ALIGNED WITH AND EXTENDING THROUGH SAID INLET BORE AND INTO SAID CHAMBER, A VORTEX DISCHARGE BORE, SAID BORE BEING COAXIAL WITH THE LONGITUDINAL AXIS OF THE CHAMBER AND EXTENDING THROUGH THE BOTTOM OF SAID CHAMBER, SAID DISCHARGE BORE BEING LARGER IN DIAMETER THAN SAID INLET BORE, SAID BAFFLE MEANS, SAID BAFFLE MEANS A MEMBER HAVING A FLAT PLATE-LIKE SURFACE DISPOSED AT A DISTANCE OF BETWEEN ONE-HALF INCH ANND THE DIAMETER OF SAID DISCHARGE BORE FROM THE BOTTOM OF SAID CHAMBER BELOW SAID DISCHARGE BORE AND IN THE PATH OF PUMPABLE MATERIAL ESCAPING FROM A VORTEX WITHIN SAID CHAMBER.
References Cited (Backward Citations)
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Cited
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Cited
US2528514A
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Cited
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |