US3147612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consistency measuring apparatus
Assignee: Fischer and Porter Co
•
Filing: 1962-09-14
•
Granted: 1964-09-08
•
Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:43
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
CONSISTENCY MEASURING APPARATUS COMPRISING: A CONDUIT FOR FLOWING SLURRY; AND A SHEARING MEMBER SECURED IN SAID CONDUIT, SAID SHEARING MEMBER COMPRISING A TUBE, MEANS CLOSING THE ENDS OF SAID TUBE TO PROVIDE A SEALED CHAMBER, AND STRAIN GAUGE ELEMENTS SECURED TO THE INNER WALL OF SAID TUBE WITHIN SAID CHAMBER, SAID TUBE COMPRISING CONCENTRIC MUTUALLY BONDED CYLINDERS WITH THE OUTER CYLINDER FORMED OF A METAL WHICH IS A RELATIVELY POOR CONDUCTOR OF HEAT AND WITH THE INNER CYLINDER FORMED OF A METAL WHICH IS A RELATIVELY GOOD CONDUCTOR OF HEAT TO PROVIDE A SUBSTANTIALLY ISOTHERMAL CONDITION AT THE LOCATIONS OF THE STRAIN GAUGE ELEMENTS, SAID TUBE BEING SECURED TO SAID CONDUIT AT ONE END THEREOF, THEREBY PROVIDING A CANTILEVER ARRANGED TO BE FLEXED IN ACCORDANCE WITH THE CONSISTENCY OF A FLOWING SLURRY.
Claim 2
Dependent Claim
132 words
CONSISTENCY MEASURING APPARATUS COMPRISING: A CONDUIT FOR FLOWING SLURRY; AND A SHEARING MEMBER SECURED IN SAID CONDUIT, SAID SHEARING MEMBER COMPRISING A TUBE, MEANS CLOSING THE ENDS OF SAID TUBE TO PROVIDE A SEALED CHAMBER, AND STRAIN GAUGE ELEMENTS SECURED TO THE INNER WALL OF SAID TUBE WITHIN SAID CHAMBER, SAID TUBE COMPRISING CONCENTRIC MUTUALLY BONDED CYLINDERS WITH THE OUTER CYLINDER FORMED OF A METAL WHICH IS A RELATIVELY POOR CONDUCTOR OF HEAT AND WITH THE INNER CYLINDER FORMED OF A METAL WHICH IS A RELATIVELY GOOD CONDUCTOR OF HEAT TO PROVIDE A SUBSTANTIALLY ISOTHERMAL CONDITION AT THE LOCATIONS OF THE STRAIN GAUGE ELEMENTS, SAID TUBE BEING SECURED TO SAID CONDUIT AT ONE END THEREOF, THEREBY PROVIDING A CANTILEVER ARRANGED TO BE FLEXED IN ACCORDANCE WITH THE CONSISTENCY OF A FLOWING SLURRY.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |