US3240531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for automatically separating a column of granular or pulverulent material
Assignee: Bayer AG
•
Filing: 1964-03-17
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Granted: 1966-03-15
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Lippert Axel
- 👤 Muschelknautz Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS BY WHICH A COLUMN OF PULVERULENT MATERIAL WHICH IS CONVEYED BY PRESSURE MEANS THROUGH A PIPE CONDUIT IS AUTOMATICALLY SEPARATED INTO SHORT PLUGS OF MATERIAL HAVING ALMOST THE SAME LENGTH, WHEREIN THE MAIN STREAM FORMING THE MATERIAL-CONVEYING MIXTURE IN THE PIPE CONDUIT IS PARTIALLY BRANCHED OFF PARALLEL TO THE FLOW AT A PLURALITY OF POSITIONS FOLLOWING ONE ANOTHER AT SMALL INTERVALS AND THE COMPONENT STREAM FLOWING THROUGH THE BRANCH CONCERNED, SEPARATELY FROM THE MAIN STREAM, IS CONDUCTED INTO THE MAIN STREAM AGAIN JUST BEFORE THE NEXT BRANCH POSITION, SEEN IN THE DIRECTION OF FLOW.
Claim 2
Dependent Claim
96 words
A PROCESS BY WHICH A COLUMN OF PULVERULENT MATERIAL WHICH IS CONVEYED BY PRESSURE MEANS THROUGH A PIPE CONDUIT IS AUTOMATICALLY SEPARATED INTO SHORT PLUGS OF MATERIAL HAVING ALMOST THE SAME LENGTH, WHEREIN THE MAIN STREAM FORMING THE MATERIAL-CONVEYING MIXTURE IN THE PIPE CONDUIT IS PARTIALLY BRANCHED OFF PARALLEL TO THE FLOW AT A PLURALITY OF POSITIONS FOLLOWING ONE ANOTHER AT SMALL INTERVALS AND THE COMPONENT STREAM FLOWING THROUGH THE BRANCH CONCERNED, SEPARATELY FROM THE MAIN STREAM, IS CONDUCTED INTO THE MAIN STREAM AGAIN JUST BEFORE THE NEXT BRANCH POSITION, SEEN IN THE DIRECTION OF FLOW.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |