Patent US3379308A successfully refreshed from Google Patents.
US3379308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy medium cyclone separator
Assignee: Individual
•
Filing: 1964-10-07
•
Granted: 1968-04-23
•
Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Horiuchi Takeshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:23
CPC Classifications
B; B04; B04C; B04C7/00; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/32; B03B5/34; B03B9/00; B03B9/005; B04C5/00; B04C5/14; B04C5/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
AN APPARATUS FOR SEPARATING MATERIALS OF DIFFERENT SPECIFIC GRAVITIES, COMPRISING A SEPARATING CHAMBER HAVING A TRUNCATED CONICAL SHAPE WITH THE WIDER END DOWNWARDLY, A FEED PIPE OPENING TANGENTIALLY INTO THE LOWER END OF SAID SEPARATING CHAMBER, A CYLINDRICAL TUBULAR SECTION EXTENDING UPWARDLY FROM THE UPPER END OF THE CONICAL SEPARATING CHAMBER AND HAVING AN EXHAUST OUTLET OPENING THEREIN FOR DISCHARGING HEAVIER MATERIALS, AN INVERTED CONE IN THE UPPER END OF SAID CONICAL SEPARATING CHAMBER WITH THE CONE SPACED FROM THE WALL OF THE SEPARATING CHAMBER TO LEAVE AN ANNULAR PASSAGE BETWEEN THE CONE AND THE SEPARATING CHAMBER, THE UPPER END OF THE CONE HAVING A HOLLOW TUBE THEREON EXTENDING THROUGH THE TOP OF THE CYLINDRICAL TUBULAR SECTION AND BEING OPEN TO THE ATMOSPHERE THROUGH THE TOP OF THE CHAMBER, A PARTITION CLOSING THE BOTTOM OF SAID SEPARATING CHAMBER AND A TUBE EXTENDING THROUGH THE CENTER OF SAID PARTITION AND EXTENDING UPWARDLY INTO THE SEPARATING CHAMBER TO A LEVEL ABOVE THE LEVEL OF SAID FEED PIPE FOR DISCHARGING LIGHTER MATERIALS, AND A HEAVY MEDIUM TANK AND A MATERIAL HOPPER CONNECTED TO SAID FEED PIPE AND BEING POSITIONED AT A LEVEL ABOVE THE LEVEL OF THE TOP OF THE SEPARATING CHAMBER FOR FEEDING A MIXTURE OF HEAVY MEDIUM AND MATERIAL TO THE CHAMBER.
Claim 2
Independent Claim
211 words
AN APPARATUS FOR SEPARATING MATERIALS OF DIFFERENT SPECIFIC GRAVITIES, COMPRISING A SEPARATING CHAMBER HAVING A TRUNCATED CONICAL SHAPE WITH THE WIDER END DOWNWARDLY, A FEED PIPE OPENING TANGENTIALLY INTO THE LOWER END OF SAID SEPARATING CHAMBER, A CYLINDRICAL TUBULAR SECTION EXTENDING UPWARDLY FROM THE UPPER END OF THE CONICAL SEPARATING CHAMBER AND HAVING AN EXHAUST OUTLET OPENING THEREIN FOR DISCHARGING HEAVIER MATERIALS, AN INVERTED CONE IN THE UPPER END OF SAID CONICAL SEPARATING CHAMBER WITH THE CONE SPACED FROM THE WALL OF THE SEPARATING CHAMBER TO LEAVE AN ANNULAR PASSAGE BETWEEN THE CONE AND THE SEPARATING CHAMBER, THE UPPER END OF THE CONE HAVING A HOLLOW TUBE THEREON EXTENDING THROUGH THE TOP OF THE CYLINDRICAL TUBULAR SECTION AND BEING OPEN TO THE ATMOSPHERE THROUGH THE TOP OF THE CHAMBER, A PARTITION CLOSING THE BOTTOM OF SAID SEPARATING CHAMBER AND A TUBE EXTENDING THROUGH THE CENTER OF SAID PARTITION AND EXTENDING UPWARDLY INTO THE SEPARATING CHAMBER TO A LEVEL ABOVE THE LEVEL OF SAID FEED PIPE FOR DISCHARGING LIGHTER MATERIALS, AND A HEAVY MEDIUM TANK AND A MATERIAL HOPPER CONNECTED TO SAID FEED PIPE AND BEING POSITIONED AT A LEVEL ABOVE THE LEVEL OF THE TOP OF THE SEPARATING CHAMBER FOR FEEDING A MIXTURE OF HEAVY MEDIUM AND MATERIAL TO THE CHAMBER.
References Cited (Backward Citations)
US2150917A
Cited
US2717695A
Cited
US2649963A
Cited
US2816490A
Cited
US2829771A
Cited
US2913112A
Cited
GB893485A
Cited
US2982409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |