Patent US3087796A successfully refreshed from Google Patents.
US3087796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making carbon black
Assignee: Continental Carbon Co
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Filing: 1960-05-31
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Granted: 1963-04-30
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Burton F Latham
- 👤 Theodore A Ruble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:05
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; B; B01; B01J; B01J19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
287 words
AN APPARATUS FOR PRODUCING CARBON BLACK WHICH COMPRISES: (A) AN ELONGATE TUBULAR METALLIC HOUSING HAVING AN UPSTREAM END AND A DOWNSTREAM END, AND A COVER MEMBER CLOSING SAID UPSTREAM END; (B) AN ELONGATE TUBULAR, METALLIC REACTOR OF LESSER ACTOR OF LESSER DIAMETER THAN SAID HOUSING SUPPORTED SUBSTANTIALLY CONCENTRICALLY THEREIN THEREBY PROVIDING AN ANNULAR SPACING THEREBETWEEN, SAID REACTOR HAVING SUBSTANTIALLY UNRESTRICTED UPSTREAM AND DOWNSTREAM END OPENINGS AND AN ESSENTIALLY SMOOTH METALLIC PERIPHERAL SURFACE FREE FROM OBSTRUCTIONS EXCEPT FOR AN AIR DELFECTION MEANS HEREINAFTER DEFINED, SAID REACTOR UPSTREAM END OPENING DISPOSED IN LONGITUDINAL SPACED RELATIONSHIP FROM SAID COVERED UPSTREAM HOUSING END THEREBY PROVIDING AN UNOBSTRUCTED CYLINDRICAL CHAMBER THEREBETWEEN HAVING A LENGTH SUBSTANTIALLY LESS THAN THAT OF SAID REACTOR; (C) HEAT CONDUCTING REFRACTORY MEANS LINING SAID REACTOR, SAID REFRACTORY MEANS BEING OF MINIMUM THICKNESS TO PROTECT THE REACTOR AND TO PROVIDE MAXIMUM HEAT TRANSFER THROUGH SAID REACTOR TO SAID ANNULAR SPACING; (D) AIR INPUT MEANS DISPOSED TOWARD THE DOWNSTREAM END OF SAID HOUSING AND COMMUNICATING WITH SAID ANNULAR SPACING, SAID INPUT MEANS ADAPTED TO IMPEL AIR THROUGH SAID ANNULAR SPACING IN THE GENERAL DIRECTION OF SAID CHAMBER; (E) AIR DEFLECTION MEANS OF SUBSTANTIALLY LESS LENGTH THAN THE LENGTH OF SAID REACTOR DISPOSED WITHIN SAID ANNULAR SPACING IN THE VICINITY OF SAID REACTOR UPSTREAM OPENING, SAID AIR DEFLECTION MEANS ADAPTED TO IMPART A GENERALLY INWARDLY SPIRALING MOTION TO THE AIR FLOWING FROM SAID ANNULAR SPACING INTO SAID CHAMBER BUT NOT ADAPTED TO PROVIDE ANY SUBSTANTIAL DEGREE OF HEAT TRANSFER TO SAID AIR; (F) A GAS BURNER SUBSTANTIALLY CONCENTRICALLY DISPOSED WITHIN SAID CHAMBER; AND (G) A HYDROCARBON INLET MEANS POSITIONED IN SUBSTANTIAL AXIAL ALIGNMENT WITH SAID BURNER WHEREBY THE HYDROCARBON IS INTRODUCED INTO THE VORTEX OF A FLAME PRODUCED BY SAID BURNER.
Claim 2
Independent Claim
287 words
AN APPARATUS FOR PRODUCING CARBON BLACK WHICH COMPRISES: (A) AN ELONGATE TUBULAR METALLIC HOUSING HAVING AN UPSTREAM END AND A DOWNSTREAM END, AND A COVER MEMBER CLOSING SAID UPSTREAM END; (B) AN ELONGATE TUBULAR, METALLIC REACTOR OF LESSER ACTOR OF LESSER DIAMETER THAN SAID HOUSING SUPPORTED SUBSTANTIALLY CONCENTRICALLY THEREIN THEREBY PROVIDING AN ANNULAR SPACING THEREBETWEEN, SAID REACTOR HAVING SUBSTANTIALLY UNRESTRICTED UPSTREAM AND DOWNSTREAM END OPENINGS AND AN ESSENTIALLY SMOOTH METALLIC PERIPHERAL SURFACE FREE FROM OBSTRUCTIONS EXCEPT FOR AN AIR DELFECTION MEANS HEREINAFTER DEFINED, SAID REACTOR UPSTREAM END OPENING DISPOSED IN LONGITUDINAL SPACED RELATIONSHIP FROM SAID COVERED UPSTREAM HOUSING END THEREBY PROVIDING AN UNOBSTRUCTED CYLINDRICAL CHAMBER THEREBETWEEN HAVING A LENGTH SUBSTANTIALLY LESS THAN THAT OF SAID REACTOR; (C) HEAT CONDUCTING REFRACTORY MEANS LINING SAID REACTOR, SAID REFRACTORY MEANS BEING OF MINIMUM THICKNESS TO PROTECT THE REACTOR AND TO PROVIDE MAXIMUM HEAT TRANSFER THROUGH SAID REACTOR TO SAID ANNULAR SPACING; (D) AIR INPUT MEANS DISPOSED TOWARD THE DOWNSTREAM END OF SAID HOUSING AND COMMUNICATING WITH SAID ANNULAR SPACING, SAID INPUT MEANS ADAPTED TO IMPEL AIR THROUGH SAID ANNULAR SPACING IN THE GENERAL DIRECTION OF SAID CHAMBER; (E) AIR DEFLECTION MEANS OF SUBSTANTIALLY LESS LENGTH THAN THE LENGTH OF SAID REACTOR DISPOSED WITHIN SAID ANNULAR SPACING IN THE VICINITY OF SAID REACTOR UPSTREAM OPENING, SAID AIR DEFLECTION MEANS ADAPTED TO IMPART A GENERALLY INWARDLY SPIRALING MOTION TO THE AIR FLOWING FROM SAID ANNULAR SPACING INTO SAID CHAMBER BUT NOT ADAPTED TO PROVIDE ANY SUBSTANTIAL DEGREE OF HEAT TRANSFER TO SAID AIR; (F) A GAS BURNER SUBSTANTIALLY CONCENTRICALLY DISPOSED WITHIN SAID CHAMBER; AND (G) A HYDROCARBON INLET MEANS POSITIONED IN SUBSTANTIAL AXIAL ALIGNMENT WITH SAID BURNER WHEREBY THE HYDROCARBON IS INTRODUCED INTO THE VORTEX OF A FLAME PRODUCED BY SAID BURNER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |