US2720376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the production of a liquid mixture of constant specific weight
Assignee: HEDEMORA VERKSTADER AB
•
Filing: 1951-03-02
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Granted: 1955-10-11
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 Haglund Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:11
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/02; G01N9/04; G01N9/06; B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/881; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A DEVICE FOR PRODUCING A LIQUID MIXTURE HAVING A SUBSTANTIALLY CONSTANT AND DESIRED SPECIFIC WEIGHT FROM A SUBSTANCE MIXTURE OF VARYING SPECIFIC WEIGHTS THE AVERAGE OF WHICH WEIGHTS IS GREATER THAN SAID DESIRED SPECIFIC WEIGHT BY MIXING SAID SUBSTANCE MIXTURE WITH A DILUTING LIQUID OF LOWER SPECIFIC WEIGHT THAN SAID DESIRED SPECIFIC WEIGHT, COMPRISING A WEIGHTING VESSEL HAVING A FIRST DISCHARGE OPENING ADJACENT THE TOP AND A SECOND DISCHARGE OPENING ADJACENT THE BOTTOM THEREOF, A SUPPORT YIELDING TO A GIVEN MINIMUM LOAD, SAID VESSEL BEING MOUNTED ON SAID SUPPORT, A VALVE IN SAID SECOND DISCHARGE OPENING, A CONDUIT FOR THE SUPPLY OF THE SUBSTANCE MIXTURE, AND A SEPARATE CONDUIT FOR THE SUPPLY OF THE DILUTING LIQUID, THE OPENINGS OF SAID CONDUITS BEING POSITIONED TO DISCHARGE INTO SAID VESSEL WHEREBY SAID VALVE MAY BE OPENED TO DISCHARGE THE CONTENTS OF SAID VESSEL HAVING SAID DESIRED SPECIFIC WEIGHT WHEN SAID SUPPORT YIELDS.
Claim 2
Independent Claim
150 words
A DEVICE FOR PRODUCING A LIQUID MIXTURE HAVING A SUBSTANTIALLY CONSTANT AND DESIRED SPECIFIC WEIGHT FROM A SUBSTANCE MIXTURE OF VARYING SPECIFIC WEIGHTS THE AVERAGE OF WHICH WEIGHTS IS GREATER THAN SAID DESIRED SPECIFIC WEIGHT BY MIXING SAID SUBSTANCE MIXTURE WITH A DILUTING LIQUID OF LOWER SPECIFIC WEIGHT THAN SAID DESIRED SPECIFIC WEIGHT, COMPRISING A WEIGHTING VESSEL HAVING A FIRST DISCHARGE OPENING ADJACENT THE TOP AND A SECOND DISCHARGE OPENING ADJACENT THE BOTTOM THEREOF, A SUPPORT YIELDING TO A GIVEN MINIMUM LOAD, SAID VESSEL BEING MOUNTED ON SAID SUPPORT, A VALVE IN SAID SECOND DISCHARGE OPENING, A CONDUIT FOR THE SUPPLY OF THE SUBSTANCE MIXTURE, AND A SEPARATE CONDUIT FOR THE SUPPLY OF THE DILUTING LIQUID, THE OPENINGS OF SAID CONDUITS BEING POSITIONED TO DISCHARGE INTO SAID VESSEL WHEREBY SAID VALVE MAY BE OPENED TO DISCHARGE THE CONTENTS OF SAID VESSEL HAVING SAID DESIRED SPECIFIC WEIGHT WHEN SAID SUPPORT YIELDS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |