US3118622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recirculating disk refiner
Assignee: E D JONES CORP
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Filing: 1962-02-09
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Granted: 1964-01-21
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Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:37
CPC Classifications
B; B02; B02C; B02C7/00; B02C7/02; B02C7/06; D; D21; D21D; D21D1/00; D21D1/20; D21D1/30; D21D1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
FOR REFINING MATERIAL SUCH AS PULP, APPARATUS COMPRISING A ROTARY DISK HAVING A SET OF BLADES ON ONE SIDE, A HOUSING SURROUNDING THE DISK, A SET OF STATIONARY BLADES IN THE HOUSING FACING SAID SET WITH A RADIAL PASSAGEWAY BETWEEN THE SETS THROUGHOUT THE CIRCUMFERENCE OF THE DISK, THE HOUSING HAVING AN INLET TO THE INNER END OF SAID PASSAGEWAY AND AN OUTLET FROM THE OUTER END OF THE PASSAGEWAY SO THAT THE MATERIAL FLOWS OUTWARDLLY FROM THE CENTER OF THE DISK TO ITS PHERIPHERY, AND A BY-PASS FROM SAID OUTLET TO SAID INLET TO KEEP THE INNER END OF SAID PASSAGEWAY PROPERLY FLOODED WHEN THE OUTPUT IS DECREASED, THEREBY KEEPING SAID BLADES PROPERLY LUBRICATED AT LOW OUTPUT.
Claim 2
Dependent Claim
118 words
FOR REFINING MATERIAL SUCH AS PULP, APPARATUS COMPRISING A ROTARY DISK HAVING A SET OF BLADES ON ONE SIDE, A HOUSING SURROUNDING THE DISK, A SET OF STATIONARY BLADES IN THE HOUSING FACING SAID SET WITH A RADIAL PASSAGEWAY BETWEEN THE SETS THROUGHOUT THE CIRCUMFERENCE OF THE DISK, THE HOUSING HAVING AN INLET TO THE INNER END OF SAID PASSAGEWAY AND AN OUTLET FROM THE OUTER END OF THE PASSAGEWAY SO THAT THE MATERIAL FLOWS OUTWARDLLY FROM THE CENTER OF THE DISK TO ITS PHERIPHERY, AND A BY-PASS FROM SAID OUTLET TO SAID INLET TO KEEP THE INNER END OF SAID PASSAGEWAY PROPERLY FLOODED WHEN THE OUTPUT IS DECREASED, THEREBY KEEPING SAID BLADES PROPERLY LUBRICATED AT LOW OUTPUT.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |