US2828190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recycle control for carbon black pellet mill
Assignee: Phillips Petroleum Co
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Filing: 1954-09-07
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Granted: 1958-03-25
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Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 William R King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/60; B; B01; B01J; B01J2/00; B01J2/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
A PELLET MILL COMPRISING A HORIZONTALLY ELONGATED ROTATABLE CYLINDRICAL DRUM HAVING MEANS THEREIN FOR INTRODUCING TO ONE END THEREOF MATERIAL TO BE PELLETED; AN END-PLATE CLOSURE MEMBER ON THE OTHER END OF SAID DRUM HAVING AN OPENING THEREIN SPACED FROM THE PERIPHERY OF SAID DRUM FOR EGRESS PELLETED MATERIAL; AN ARCUATE IMPERFORATE MEMBER IN THE FORM OF A PORTION OF A BAND CONCENTRIC WITH SAID DRUM AND FIXED TO THE OUTSIDE OF SAID END-PLATE RADIALLY OUTSIDE OF THE OPENING THEREIN, SAID ARCUATE MEMBER PROVIDING A CONVEYING SURFACE FOR PELLETS FROM SAID END-PLATE TO RECEIVING MEANS DOWNSTREAM OF SAID ARCUATE MEMBER; RECEIVING MEANS DIRECTLY BELOW SAID ARCUATE MEMBER FOR RECEIVING PELLETS DIRECTLY BELOW SAID END-PLATE WHEN SAID ARCUATE MEMBER IS IN THE UPPER PORTION OF ITS ARC OF ROTATION; AND SEPARATE RECEIVING MEANS DIRECTLY BELOW THE DOWNSTREAM EDGE OF SAID ARCUATE MEMBER FOR RECEIVING PELLETS DELIVERED OVER SAID EDGE.
Claim 2
Dependent Claim
148 words
A PELLET MILL COMPRISING A HORIZONTALLY ELONGATED ROTATABLE CYLINDRICAL DRUM HAVING MEANS THEREIN FOR INTRODUCING TO ONE END THEREOF MATERIAL TO BE PELLETED; AN END-PLATE CLOSURE MEMBER ON THE OTHER END OF SAID DRUM HAVING AN OPENING THEREIN SPACED FROM THE PERIPHERY OF SAID DRUM FOR EGRESS PELLETED MATERIAL; AN ARCUATE IMPERFORATE MEMBER IN THE FORM OF A PORTION OF A BAND CONCENTRIC WITH SAID DRUM AND FIXED TO THE OUTSIDE OF SAID END-PLATE RADIALLY OUTSIDE OF THE OPENING THEREIN, SAID ARCUATE MEMBER PROVIDING A CONVEYING SURFACE FOR PELLETS FROM SAID END-PLATE TO RECEIVING MEANS DOWNSTREAM OF SAID ARCUATE MEMBER; RECEIVING MEANS DIRECTLY BELOW SAID ARCUATE MEMBER FOR RECEIVING PELLETS DIRECTLY BELOW SAID END-PLATE WHEN SAID ARCUATE MEMBER IS IN THE UPPER PORTION OF ITS ARC OF ROTATION; AND SEPARATE RECEIVING MEANS DIRECTLY BELOW THE DOWNSTREAM EDGE OF SAID ARCUATE MEMBER FOR RECEIVING PELLETS DELIVERED OVER SAID EDGE.
Claim 3
Dependent Claim
119 words
A PROCESS FOR PELLETING POWDERED PELLETABLE MATERIAL COMPRISING MAINTAINING A BED OF SAID MATERIAL IN A ROTATING TUMBLING ZONE SO AS TO FORM PELLETS OF SAID MATERIAL; ADDING SAID MATERIAL TO ONE END OF SAID ZONE SO AS TO CAUSE A STREAM OF PELLETS TO FLOW FROM THE TOP PORTION OF SAID BED AT THE OPPOSITE END; DURING ONEFOURTH TO THREE-FOURTHS OF A CYCLE OF ROTATION, PASSING THE EFFLUENT PELLETS OVER AN IMPERFORATE TRANSFER ZONE ADJACENT THE DISCHARGE END OF SAID TUMBLING ZONE TO A RECEIVER DOWNSTREAM OF THE DISCHARGE END OF SAID TUMBLING ZONE; DURING THE REMAINING PORTION OF SAID CYCLE, GRAVITATING THE EFFLUENT PELLETS DIRECTLY FROM THE DELIVERY END OF SAID TUMBLING ZONE TO A RECEIVER THEREBELOW.
Claim 4
Dependent Claim
119 words
A PROCESS FOR PELLETING POWDERED PELLETABLE MATERIAL COMPRISING MAINTAINING A BED OF SAID MATERIAL IN A ROTATING TUMBLING ZONE SO AS TO FORM PELLETS OF SAID MATERIAL; ADDING SAID MATERIAL TO ONE END OF SAID ZONE SO AS TO CAUSE A STREAM OF PELLETS TO FLOW FROM THE TOP PORTION OF SAID BED AT THE OPPOSITE END; DURING ONEFOURTH TO THREE-FOURTHS OF A CYCLE OF ROTATION, PASSING THE EFFLUENT PELLETS OVER AN IMPERFORATE TRANSFER ZONE ADJACENT THE DISCHARGE END OF SAID TUMBLING ZONE TO A RECEIVER DOWNSTREAM OF THE DISCHARGE END OF SAID TUMBLING ZONE; DURING THE REMAINING PORTION OF SAID CYCLE, GRAVITATING THE EFFLUENT PELLETS DIRECTLY FROM THE DELIVERY END OF SAID TUMBLING ZONE TO A RECEIVER THEREBELOW.
References Cited (Backward Citations)
US987554A
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US1025185A
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US1994718A
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US1980130A
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US2127137A
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US2158513A
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US2287759A
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US2543898A
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US2638625A
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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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |