US3356348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breaking foam
Assignee: Mixing Equipment Co Inc
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Filing: 1965-12-29
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Granted: 1967-12-05
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Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank W Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/002; B01J2219/00; B01J2219/00049; B01J2219/00245; B01J2219/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A PROCESS FOR BREAKING FOAM WITHIN A GENERALLY HORIZONTAL, FOAM AREA, WHICH COMPRISES: ROTATING ABOVE SAID AREA IN A GAS AN IMPELLER ON A GENERALLY VERTICAL AXIS WITH AN AXIAL FLOW BARRIER STRUCTURE DISPOSED ON SAID AXIS IN THE REGION OF SAID IMPELLER, SAID ROTATING BEING AT A SPEED AND AT A HEIGHT WHEREAT THERE IS A TORNADO-LIKE FLOW OF GAS FROM BELOW SAID IMPELLER TO SAID REGION OF SAID IMPELLER AT A VELOCITY SUFFICIENT TO ENTRAIN IN SAID FLOW AT LEAST A SUBSTANTIAL PORTION OF FOAM IN SAID AREA, WHEREBY FOAM IS BROKEN AND FOAM RESIDUE FORMED WITHOUT SAID IMPELLER IMPACTING A SUBSTANTIAL PORTION OF FOAM AND FOAM RESIDUE IN SAID REGION, SAID IMPELLER BEING IN A POSITION RELATIVE TO ANY SUBSTANTIAL, VERTICAL SURFACE, WHEREAT IMPINGEMENT OF FOAM RESIDUE ON SAID SURFACE AT A FOAM GENERATION VELOCITY IS AT A MINIMUM.
Claim 2
Dependent Claim
142 words
A PROCESS FOR BREAKING FOAM WITHIN A GENERALLY HORIZONTAL, FOAM AREA, WHICH COMPRISES: ROTATING ABOVE SAID AREA IN A GAS AN IMPELLER ON A GENERALLY VERTICAL AXIS WITH AN AXIAL FLOW BARRIER STRUCTURE DISPOSED ON SAID AXIS IN THE REGION OF SAID IMPELLER, SAID ROTATING BEING AT A SPEED AND AT A HEIGHT WHEREAT THERE IS A TORNADO-LIKE FLOW OF GAS FROM BELOW SAID IMPELLER TO SAID REGION OF SAID IMPELLER AT A VELOCITY SUFFICIENT TO ENTRAIN IN SAID FLOW AT LEAST A SUBSTANTIAL PORTION OF FOAM IN SAID AREA, WHEREBY FOAM IS BROKEN AND FOAM RESIDUE FORMED WITHOUT SAID IMPELLER IMPACTING A SUBSTANTIAL PORTION OF FOAM AND FOAM RESIDUE IN SAID REGION, SAID IMPELLER BEING IN A POSITION RELATIVE TO ANY SUBSTANTIAL, VERTICAL SURFACE, WHEREAT IMPINGEMENT OF FOAM RESIDUE ON SAID SURFACE AT A FOAM GENERATION VELOCITY IS AT A MINIMUM.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |