US3248090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control means for vibratory refiner
Assignee: Union Carbide Corp
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Filing: 1961-10-31
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Granted: 1966-04-26
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Caperton B Horsley
- 👤 Philip K Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/14; B01; B01F; B01F31/00; B01F31/44; B01F31/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR CONTROLLING THE FLOW OF FLUENT MATERIAL THROUGH A VIBRATORY REFINING HEAD HAVING AN ANNULAR REFINING ASSEMBLY COMPRISING: A CONICAL MEMBER POSITIONED ON THE FEED SIDE OF SAID REFINING HEAD AND WITHIN THE INNER EDGE OF SAID ANNULAR REFINING ASSEMBLY; FEED MEANS FOR PRESENTING UNREFINED FLUENT MATERIAL TO THE APEX OF SAID CONICAL MEMBER TO FLOW DOWN OVER THE CONICAL MEMBER TOWARD SAID ANNULAR REFINING ASSEMBLY; AND A CYLINDRICAL CASING SURROUNDING SAID ANNULAR REFINING ASSEMBLY AND EXTENDING BOTH ABOVE AND BELOW SAID ASSEMBLY MEANS FOR CAUSING PART OF SAID FLUENT MATERIAL TO PASS DIRECTLY INTO THE REFINING ASSEMBLY AND THE REMAINDER OF THE MATERIAL TO SWIRL UPWARD INTO SAID CYLINDRICAL CASING EXTENDING ABOVE SAID ASSEMBLY, SAID CYLINDRICAL CASING HAVING A FIRST OUTLET POSITIONED ABOVE THE EXIT OF SAID FEED MEANS AND THROUGH WHICH PART OF THE MATERIAL WHICH SWIRLS UPWARD PASSES OUT OF THE APPARATUS, WHEREBY THE MATERIAL DIRECTLY
Claim 2
Dependent Claim
150 words
APPARATUS FOR CONTROLLING THE FLOW OF FLUENT MATERIAL THROUGH A VIBRATORY REFINING HEAD HAVING AN ANNULAR REFINING ASSEMBLY COMPRISING: A CONICAL MEMBER POSITIONED ON THE FEED SIDE OF SAID REFINING HEAD AND WITHIN THE INNER EDGE OF SAID ANNULAR REFINING ASSEMBLY; FEED MEANS FOR PRESENTING UNREFINED FLUENT MATERIAL TO THE APEX OF SAID CONICAL MEMBER TO FLOW DOWN OVER THE CONICAL MEMBER TOWARD SAID ANNULAR REFINING ASSEMBLY; AND A CYLINDRICAL CASING SURROUNDING SAID ANNULAR REFINING ASSEMBLY AND EXTENDING BOTH ABOVE AND BELOW SAID ASSEMBLY MEANS FOR CAUSING PART OF SAID FLUENT MATERIAL TO PASS DIRECTLY INTO THE REFINING ASSEMBLY AND THE REMAINDER OF THE MATERIAL TO SWIRL UPWARD INTO SAID CYLINDRICAL CASING EXTENDING ABOVE SAID ASSEMBLY, SAID CYLINDRICAL CASING HAVING A FIRST OUTLET POSITIONED ABOVE THE EXIT OF SAID FEED MEANS AND THROUGH WHICH PART OF THE MATERIAL WHICH SWIRLS UPWARD PASSES OUT OF THE APPARATUS, WHEREBY THE MATERIAL DIRECTLY
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |