US3089653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot clinker conveying and cooling apparatus
Assignee: Dundee Cement Co
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Filing: 1961-09-20
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Granted: 1963-05-14
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ostberg Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:29
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0206; F27D15/0213; F27D3/00; F27D2003/0034; F27D2003/0038; F27D2003/0071; F27D2003/0085; F27D2003/0093; F27D7/00; F27D7/04; F27D2007/045; F27D2015/0246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
IN A HOT CLINKER CONVEYING AND COOLING APPARATUS, A SLOW MOVING, LONG STROKE MOVING GRATE TYPE COOLING CONVEYOR HAVING A DISCHARGE END AND HAVING MOVABLE GRATE MEMBERS AND MEANS FOR RECIPROCALLY MOVING SAID MOVABLE GRATE MEMBERS TOWARDS AND AWAY FROM SAID DISCHARGE END; AN INCLINED OUTPUT GRIZZLY AT THE DISCHARGE END OF THE COOLING CONVEYOR GRATE; AND A HAMMER MILL AT THE LOWER END OF THE GRIZZLY; SAID GRIZZLY COMPRISING PARALLEL, VERTICAL PLATES SEPARATED BY PARALLEL VERTICAL SLOTS, WITH THE REAR EDGES OF THE PLATES FORMING THE INCLINED SURFACE OF THE GRIZZLY; VERTICAL SLICING BLADES IN SAID SLOTS, THE BLADES HAVING SLICING EDGES SLOPED TO CORRESPOND TO THE SLOPE OF THE INCLINED SURFACE OF SAID GRIZZLY FOR SLICING CONVEYOR DISCHARGE ON SAID GRIZZLY; AND MEANS FOR MOVING THE SLICING BLADES HORIZONTALLY, CONTINUOUSLY AND AUTOMATICALLY THROUGH THE GRIZZLY AND THE CLINKERS THEREON AT AN AMPLITUDE OF ABOUT FIVE INCHES, AND AT A VARIABLE SPEED OF ABOUT TWELVE STROKES PER MINUTE TO THROW OVERSIZED CLINKERS OFF SAID GRIZZLY A SUBSTANTIAL DISTANCE HORIZONTALLY TOWARDS THE UPPER PART OF THE MILL, RATHER THAN MERELY CHIPPING CLINKERS AND DISLODGING SMALL FRAGMENTS THEREOF FROM THE GRIZZLY, SO THAT THEY SLIDE DOWN THE GRIZZLY INTO THE LOWER PART OF THE MILL; SAID SLICING BLADE MOVING MEANS COMPRISING BARS CONNECTING THE MOVABLE GRATE MEMBERS AND THE BLADES TOGETHER, WHEREBY THE GRATE AND THE BLADES MOVE IN SYNCHRONISM.
Claim 2
Dependent Claim
229 words
IN A HOT CLINKER CONVEYING AND COOLING APPARATUS, A SLOW MOVING, LONG STROKE MOVING GRATE TYPE COOLING CONVEYOR HAVING A DISCHARGE END AND HAVING MOVABLE GRATE MEMBERS AND MEANS FOR RECIPROCALLY MOVING SAID MOVABLE GRATE MEMBERS TOWARDS AND AWAY FROM SAID DISCHARGE END; AN INCLINED OUTPUT GRIZZLY AT THE DISCHARGE END OF THE COOLING CONVEYOR GRATE; AND A HAMMER MILL AT THE LOWER END OF THE GRIZZLY; SAID GRIZZLY COMPRISING PARALLEL, VERTICAL PLATES SEPARATED BY PARALLEL VERTICAL SLOTS, WITH THE REAR EDGES OF THE PLATES FORMING THE INCLINED SURFACE OF THE GRIZZLY; VERTICAL SLICING BLADES IN SAID SLOTS, THE BLADES HAVING SLICING EDGES SLOPED TO CORRESPOND TO THE SLOPE OF THE INCLINED SURFACE OF SAID GRIZZLY FOR SLICING CONVEYOR DISCHARGE ON SAID GRIZZLY; AND MEANS FOR MOVING THE SLICING BLADES HORIZONTALLY, CONTINUOUSLY AND AUTOMATICALLY THROUGH THE GRIZZLY AND THE CLINKERS THEREON AT AN AMPLITUDE OF ABOUT FIVE INCHES, AND AT A VARIABLE SPEED OF ABOUT TWELVE STROKES PER MINUTE TO THROW OVERSIZED CLINKERS OFF SAID GRIZZLY A SUBSTANTIAL DISTANCE HORIZONTALLY TOWARDS THE UPPER PART OF THE MILL, RATHER THAN MERELY CHIPPING CLINKERS AND DISLODGING SMALL FRAGMENTS THEREOF FROM THE GRIZZLY, SO THAT THEY SLIDE DOWN THE GRIZZLY INTO THE LOWER PART OF THE MILL; SAID SLICING BLADE MOVING MEANS COMPRISING BARS CONNECTING THE MOVABLE GRATE MEMBERS AND THE BLADES TOGETHER, WHEREBY THE GRATE AND THE BLADES MOVE IN SYNCHRONISM.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |