Patent US3221560A successfully refreshed from Google Patents.
US3221560A
Expired / Lapsed
US
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Flowability apparatus
Assignee: Pillsbury Co
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Filing: 1963-02-21
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Granted: 1965-12-07
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Kosa Tibor
- 👤 Frank R Agasie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:44
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/02; G01N33/00; G01N33/0091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR DETERMINING THE RELATIVE FLOWABILITY OF POWDERED OR GRANULAR MATERIAL WHICH COMPRISES, (A) A RIGID VERTICALLY DISPOSED CONTAINER HAVING AN UPPER AND LOWER ORIFICE WITH SIDES SLOPING REGULAR TO SAID LOWER ORIFICE, (B) SCREENING MEANS OVER SAID LOWER ORIFICE HAVING OPENINGS WHOSE MINIMUM DIMENSION IS GREATER THAN THE MAXIMUM DIMENSION OF THE PARTICLE FROM SAID MATERIAL, BUT NOT SO GREAT THAT SAID MATERIAL FLOWS FREELY THROUGH SAID SCREENING MEANS WITHOUT VIBRATION OF SAID FUNNEL AND SCREENING MEANS, (CE MEANS FOR IMPARTING A CONTROLLED VERTICAL VIBRATION TO SAID FUNNEL AND SCREENING MEANS WHICH COMPRISES: (1) A RIGID UPSTANDING CYLINDRICAL VIBRATING ELEMENT HAVING AN UPPER HORIZONTAL EDGE AND A LOWER HORIZONTAL EDGE, SAID ELEMENT BEING SECURED TO SAID CONTAINER AT SAID UPPER HORIZONTAL EDGE AND SAID CONTAINER BEING NESTED WITHIN SAID ELEMENT ABOVE SAID LOWER HORIZONTAL EDGE, AND (2) MEANS FOR VERTICALLY VIBRATING SAID CYLINDRICAL ELEMENT WITH CONSTANT AMPLITUDE AND FREQUENCY.
Claim 2
Dependent Claim
150 words
APPARATUS FOR DETERMINING THE RELATIVE FLOWABILITY OF POWDERED OR GRANULAR MATERIAL WHICH COMPRISES, (A) A RIGID VERTICALLY DISPOSED CONTAINER HAVING AN UPPER AND LOWER ORIFICE WITH SIDES SLOPING REGULAR TO SAID LOWER ORIFICE, (B) SCREENING MEANS OVER SAID LOWER ORIFICE HAVING OPENINGS WHOSE MINIMUM DIMENSION IS GREATER THAN THE MAXIMUM DIMENSION OF THE PARTICLE FROM SAID MATERIAL, BUT NOT SO GREAT THAT SAID MATERIAL FLOWS FREELY THROUGH SAID SCREENING MEANS WITHOUT VIBRATION OF SAID FUNNEL AND SCREENING MEANS, (CE MEANS FOR IMPARTING A CONTROLLED VERTICAL VIBRATION TO SAID FUNNEL AND SCREENING MEANS WHICH COMPRISES: (1) A RIGID UPSTANDING CYLINDRICAL VIBRATING ELEMENT HAVING AN UPPER HORIZONTAL EDGE AND A LOWER HORIZONTAL EDGE, SAID ELEMENT BEING SECURED TO SAID CONTAINER AT SAID UPPER HORIZONTAL EDGE AND SAID CONTAINER BEING NESTED WITHIN SAID ELEMENT ABOVE SAID LOWER HORIZONTAL EDGE, AND (2) MEANS FOR VERTICALLY VIBRATING SAID CYLINDRICAL ELEMENT WITH CONSTANT AMPLITUDE AND FREQUENCY.
References Cited (Backward Citations)
US2274914A
Cited
US2367478A
Cited
US2564892A
Cited
US2583862A
Cited
US2858023A
Cited
US3106653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |