US3319352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for drying a fibrous web
Assignee: Albemarle Paper Manufacturing Co
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Filing: 1964-04-29
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Granted: 1967-05-16
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 John M Haigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:40
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AN APPARATUS FOR DRYING A FIBROUS WEB COMPRISING, IN COMBINATION, (A) AT LEAST ONE ROTATABLE HEATED DRUM MEANS HAVING AN AXIS AND PROVIDING A SUBSTANTALLY RIGID HEATED CYLINDRICAL SURFACE, (B) AN ENDLESS BELT MEANS HAVING AN OUTER FACE AND AN INNER FACE, A PORTION OF SAID OUTER FACE BEING IN CONTACT WITH A SUBSTANTIAL PORTION OF SAID SUBSTANTIALLY RIGID HEATED CYLINDRICAL SURFACE, (C) AT LEAST FOUR ROLLER SUPPORT MEANS IN CONTACT WITH SUBSTANTIALLY OPPOSING PORTIONS OF SAID INNER FACE, (D) AT LEAST THREE OF SAID AT LEAST FOUR ROLLER SUPPORT MEANS BEING MOVABLY MOUNTED FOR CHANGING THEIR LOCATION IN REFERENCE TO SAID DRUM MEANS, (E) AT LEAST TWO OF SAID AT LEAST THREE ROLLER SUPPORT MEANS BEING MOVABLE RADIALLY TOWARD SAID AXIS TO PRESS SAID OUTER FACE AGAINST SAID CYLINDRICAL SURFACE, AND (F) AT LEAST ONE OF SAID AT LEAST THREE ROLLER SUPPORT MEANS BEING A TENSION MEANS FOR PRESSING SAID OUTER FACE AGAINST SAID CYLINDRICAL SURFACE AND CAUSING SAID INNER FACE TO FORCE SAID AT LEAST TWO ROLLER SUPPORT MEANS RADIALLY TOWARD SAID AXIS.
Claim 2
Independent Claim
175 words
AN APPARATUS FOR DRYING A FIBROUS WEB COMPRISING, IN COMBINATION, (A) AT LEAST ONE ROTATABLE HEATED DRUM MEANS HAVING AN AXIS AND PROVIDING A SUBSTANTALLY RIGID HEATED CYLINDRICAL SURFACE, (B) AN ENDLESS BELT MEANS HAVING AN OUTER FACE AND AN INNER FACE, A PORTION OF SAID OUTER FACE BEING IN CONTACT WITH A SUBSTANTIAL PORTION OF SAID SUBSTANTIALLY RIGID HEATED CYLINDRICAL SURFACE, (C) AT LEAST FOUR ROLLER SUPPORT MEANS IN CONTACT WITH SUBSTANTIALLY OPPOSING PORTIONS OF SAID INNER FACE, (D) AT LEAST THREE OF SAID AT LEAST FOUR ROLLER SUPPORT MEANS BEING MOVABLY MOUNTED FOR CHANGING THEIR LOCATION IN REFERENCE TO SAID DRUM MEANS, (E) AT LEAST TWO OF SAID AT LEAST THREE ROLLER SUPPORT MEANS BEING MOVABLE RADIALLY TOWARD SAID AXIS TO PRESS SAID OUTER FACE AGAINST SAID CYLINDRICAL SURFACE, AND (F) AT LEAST ONE OF SAID AT LEAST THREE ROLLER SUPPORT MEANS BEING A TENSION MEANS FOR PRESSING SAID OUTER FACE AGAINST SAID CYLINDRICAL SURFACE AND CAUSING SAID INNER FACE TO FORCE SAID AT LEAST TWO ROLLER SUPPORT MEANS RADIALLY TOWARD SAID AXIS.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |