US2915412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of handling and conditioning paper making clay for use
Assignee: Georgia Kaolin Co
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Filing: 1957-03-15
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Granted: 1959-12-01
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Sanford C Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
THE METHOD OF REDUCING A KNOWN QUANTITY OF DRY CLAY TO A SLURRY OF DESIRED CONSISTENCY, WHICH COMPRISES FORMING A SEPARATE POOL OF WATER NEARLY SUFFICIENT TO REDUCE THE CLAY TO A SLURRY OF DESIRED CONSISTENCY, DISSOLVING IN SAID POOL MEASURED AMOUNTS OF CHEMICAL DISPERSING AGENTS JUST SUFFICIENT FOR DESIRED TREATMENT OF SAID QUANTITY OF CLAY, FORMING A PORTION OF THE SOLUTION INTO A VORTEX BY INTRODUCING THE SAME TANGENTIALLY INTO A CONTAINER, FEEDING DRY CLAY INTO SAID VORTEX TO FORM A SLURRY, RECIRCULATING SLURRY FROM THE BOTTOM OF THE VORTEX THROUGH A PUMP TO SUBJECT UNDISINTEGRATED CLAY THEREIN TO HYDRAULIC SHEARING AND INTRODUCING IT TANGENTIALLY INTO THE SIDE OF THE VORTEX TO MAINTAIN THE VERTICAL MOVEMENT, CONSTANTLY WITHDRAWING LUMP-FREE SLURRY FROM THE TOP OF THE VORTEX AND DELIVERING SAME TO SAID POOL, AND TRANSFERRING FROM SAID POOL TO SAID VORTEX SUFFICIENT SLURRY TO MAINTAIN THE VOLUME OF THE VORTEX SUBSTANTIALLY CONSTANT.
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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |