US3204670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filling valve bags with bulk goods
Assignee: BASF SE
•
Filing: 1963-03-20
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Granted: 1965-09-07
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Brennecke Walter
- 👤 Manhart Gernot
- 👤 Freiwald Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:11
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
APPARATUS FOR FILLING VALVE BAGS WITH BULK GOODS IN THE FORM OF SOLID PARTICLES AND ARRANGED AT THE LOWER END OF A DISCHARGE HOPPER, SAID APPARATUS COMPRISING A SUBSTANTIALLY VERTICAL ELONGATED TUBULAR DOWNSPOUT SECURED TO THE LOWRE END OF THE DISCHARGE HOPPER TO FORM A CONTINUOUS ENCLOSED PATH FOR PARTICLE FLOW THERETHROUGH, SAID DOWNSPOUT HAVING AN UPPER PORTION FORMED AS A MOUTHPIECE HAVING A MARKED CONSTRICTION DOWNWARDLY, A CENTRAL PORTION CONNECTED TO SAID UPPER PORTION, AND A LOWER CYLINDRICAL PORTION FOR INSERTION INTO SAID VALVE BAG CONNECTED TO SAID MIDDLE PORTION AND HAVING ITS LOWER END CUT OFF AT AN ANGLE; A JACKET PARTLY SURROUNDING AND SPACED OUTWARDLY FROM THE OUTER CIRCUMFERENTIAL SURFACE OF SAID LOWER PORTION, SAID JACKET BEING STRENGHTENED AT ITS UPPER EDGE, AND A DOUBLE-CONICAL BAFFLE SUSPENDED IN A FIXED POSITION IN SAID LOWER PART OF SAID DISCHARGE HOPPER AND HAVING A LOWER INWARDLY TAPERED CONICAL PORTION WHICH PROJECTS INTO SAID UPPER PORTION OF SAID DOWNSPOUT.
Claim 2
Dependent Claim
159 words
APPARATUS FOR FILLING VALVE BAGS WITH BULK GOODS IN THE FORM OF SOLID PARTICLES AND ARRANGED AT THE LOWER END OF A DISCHARGE HOPPER, SAID APPARATUS COMPRISING A SUBSTANTIALLY VERTICAL ELONGATED TUBULAR DOWNSPOUT SECURED TO THE LOWRE END OF THE DISCHARGE HOPPER TO FORM A CONTINUOUS ENCLOSED PATH FOR PARTICLE FLOW THERETHROUGH, SAID DOWNSPOUT HAVING AN UPPER PORTION FORMED AS A MOUTHPIECE HAVING A MARKED CONSTRICTION DOWNWARDLY, A CENTRAL PORTION CONNECTED TO SAID UPPER PORTION, AND A LOWER CYLINDRICAL PORTION FOR INSERTION INTO SAID VALVE BAG CONNECTED TO SAID MIDDLE PORTION AND HAVING ITS LOWER END CUT OFF AT AN ANGLE; A JACKET PARTLY SURROUNDING AND SPACED OUTWARDLY FROM THE OUTER CIRCUMFERENTIAL SURFACE OF SAID LOWER PORTION, SAID JACKET BEING STRENGHTENED AT ITS UPPER EDGE, AND A DOUBLE-CONICAL BAFFLE SUSPENDED IN A FIXED POSITION IN SAID LOWER PART OF SAID DISCHARGE HOPPER AND HAVING A LOWER INWARDLY TAPERED CONICAL PORTION WHICH PROJECTS INTO SAID UPPER PORTION OF SAID DOWNSPOUT.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |