US3097929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuous manufacture of ceramic sheathing
Assignee: Gladding Mcbean and Co
•
Filing: 1956-04-16
•
Granted: 1963-07-16
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Randall C Ragan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:43
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/12; B28B3/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A METHOD OF CONTINUOUSLY FORMING A STRIP OF COMPACTED, COHERENT, HOMOGENEOUS AND DENSE CERAMIC BODY COMPOSITION, SAID STRIP HAVING SMOOTH, CALENDERED SURFACES AND A MOISTURE CONTENT OF BETWEEN ABOUT SEVEN PERCENT AND SEVENTEEN PERCENT, THE STEPS OF: CONTINUOUSLY DEPOSITING A FREE-FLOWING CERAMIC BODY COMPOSITION BY GRAVITY INTO A ZONE BETWEEN A PAIR OF CONVERGING CYLINDRICAL SURFACES OF EQUAL MOVING CONCURRENTLY DOWNWARD TOWARD A GAP; CONTINUOUSLY REMOVING A CONTINUOUS, DENSE, COMPACTED AND FLEXIBLE STRIP OF CERAMIC BODY FROM SAID GAS; AND CONTROLLING THE DENSITY AND THICKNESS OF THE STRIP IN ACCORDANCE WITH THE RELATION R/(R+T)=0.950 TO 0.98, WHEREIN R IS THE RADIUS OF EACH OF THE CYLINDERICAL SURFACES AND T IS THE THICKNESS OF THE STRIP.
Claim 2
Dependent Claim
116 words
IN A METHOD OF CONTINUOUSLY FORMING A STRIP OF COMPACTED, COHERENT, HOMOGENEOUS AND DENSE CERAMIC BODY COMPOSITION, SAID STRIP HAVING SMOOTH, CALENDERED SURFACES AND A MOISTURE CONTENT OF BETWEEN ABOUT SEVEN PERCENT AND SEVENTEEN PERCENT, THE STEPS OF: CONTINUOUSLY DEPOSITING A FREE-FLOWING CERAMIC BODY COMPOSITION BY GRAVITY INTO A ZONE BETWEEN A PAIR OF CONVERGING CYLINDRICAL SURFACES OF EQUAL MOVING CONCURRENTLY DOWNWARD TOWARD A GAP; CONTINUOUSLY REMOVING A CONTINUOUS, DENSE, COMPACTED AND FLEXIBLE STRIP OF CERAMIC BODY FROM SAID GAS; AND CONTROLLING THE DENSITY AND THICKNESS OF THE STRIP IN ACCORDANCE WITH THE RELATION R/(R+T)=0.950 TO 0.98, WHEREIN R IS THE RADIUS OF EACH OF THE CYLINDERICAL SURFACES AND T IS THE THICKNESS OF THE STRIP.
References Cited (Backward Citations)
US204957A
Cited
US2714239A
Cited
US778715A
Cited
US854823A
Cited
US1342192A
Cited
US1369752A
Cited
US1643059A
Cited
US1534768A
Cited
US1819686A
Cited
US1980270A
Cited
US1941403A
Cited
GB400535A
Cited
US2371353A
Cited
US2230309A
Cited
GB512547A
Cited
US2425626A
Cited
US2552937A
Cited
US2552553A
Cited
US2601712A
Cited
US2601105A
Cited
US2758336A
Cited
US2756459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |