US3285523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting apparatus
Assignee: Slick Industrial Co
•
Filing: 1964-02-17
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Granted: 1966-11-15
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Robert W Duyckinck
- 👤 Darroch Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
IN COMMINUTING APPARATUS WHEREIN A GASEOUS CARRIER IS EMPLOYED TO TRANSPORT PARTICULATE MATTER COMMINUTED THEREIN, A GENERALLY CYLINDRICAL GRINDING CHAMBER BOUNDED AT ONE END BY PLANAR ROTATABLE COMMUNICATING MEANS DISPOSED PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID CHAMBER AND TERMINATING AT THE OTHER END THEREOF IN A GENERALLY ANNULAR CONFIGURATION, SAID ANNULAR CONFIGURATION FORMED IN PART BY ROTATABLE RADIAL FLOW CLASSIFYING MEANS HAVING AN APEX DEPENDENTLY DISPOSED IN COAXIAL PROXIMITY WITH SAID COMMINUTING MEANS AND CARRIER TRANSPORT PATH DEFINING MEANS INCLUDING AN ARCUATELY SHAPED INTERMEDIATE SEGMENT SMOOTHLY CONNECTING THE UPPER TERMINUS OF SAID GRINDING CHAMBER WITH THE PERIPHERY OF SAID CLASSIFYING MEANS, ANNULAR ISOLATING BAFFLE MEANS DISPOSED INTERMEDIATE SAID CLASSIFYING MEANS AND THE GRINDING CHAMBER WALL AND INTERMEDIATE SAID GRINDING CHAMBER ENDS AND A PLURALITY OF AXIAL BAFFLE MEMBERS DISPOSED INTERMEDIATE SAID ANNULAR ISOLATING BAFFLE MEANS AND SAID GRINDING CHAMBER WALLS FOR CHANGING THE VELOCITY AND DIRECTION OF DISPLACEMENT OF SAID CARRIER FROM A GENERALLY CIRCULAR PATH IN PLANES SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID CHAMBER ADJACENT TO SAID ROTATABLE COMMINUTING MEANS TO A SUBSTANTIALLY LINEAL PATH PARALLEL TO SAID AXIS AT LOCATIONS REMOTE THEREFROM
Claim 2
Dependent Claim
187 words
IN COMMINUTING APPARATUS WHEREIN A GASEOUS CARRIER IS EMPLOYED TO TRANSPORT PARTICULATE MATTER COMMINUTED THEREIN, A GENERALLY CYLINDRICAL GRINDING CHAMBER BOUNDED AT ONE END BY PLANAR ROTATABLE COMMUNICATING MEANS DISPOSED PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID CHAMBER AND TERMINATING AT THE OTHER END THEREOF IN A GENERALLY ANNULAR CONFIGURATION, SAID ANNULAR CONFIGURATION FORMED IN PART BY ROTATABLE RADIAL FLOW CLASSIFYING MEANS HAVING AN APEX DEPENDENTLY DISPOSED IN COAXIAL PROXIMITY WITH SAID COMMINUTING MEANS AND CARRIER TRANSPORT PATH DEFINING MEANS INCLUDING AN ARCUATELY SHAPED INTERMEDIATE SEGMENT SMOOTHLY CONNECTING THE UPPER TERMINUS OF SAID GRINDING CHAMBER WITH THE PERIPHERY OF SAID CLASSIFYING MEANS, ANNULAR ISOLATING BAFFLE MEANS DISPOSED INTERMEDIATE SAID CLASSIFYING MEANS AND THE GRINDING CHAMBER WALL AND INTERMEDIATE SAID GRINDING CHAMBER ENDS AND A PLURALITY OF AXIAL BAFFLE MEMBERS DISPOSED INTERMEDIATE SAID ANNULAR ISOLATING BAFFLE MEANS AND SAID GRINDING CHAMBER WALLS FOR CHANGING THE VELOCITY AND DIRECTION OF DISPLACEMENT OF SAID CARRIER FROM A GENERALLY CIRCULAR PATH IN PLANES SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID CHAMBER ADJACENT TO SAID ROTATABLE COMMINUTING MEANS TO A SUBSTANTIALLY LINEAL PATH PARALLEL TO SAID AXIS AT LOCATIONS REMOTE THEREFROM
References Cited (Backward Citations)
US2275595A
Cited
US2922589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |