US3309263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web pickup and transfer for a papermaking machine
Assignee: Kimberly Clark Corp
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Filing: 1964-12-03
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Granted: 1967-03-14
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Grobe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
D; D21; D21F; D21F2/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A PAPERMAKING MACHINE, AN ENDLESS PERFORATE BELT FOR DRAINING A SLURRY OF FIBERS AND WATER DEPOSITED ON THE BELT TO FORM A MOIST PAPER WEB ON THE BELT, A PLURALITY OF ROLLS FOR MOVABLY SUPPORTING THE BELT AND INCLUDING A PAIR OF ROLLS PROVIDING AN UNSUPPORTED STRETCH OF THE BELT BETWEEN THEM, AN ENDLESS FELT, A PLURALITY OF ROLLS FOR MOVABLY SUPPORTING THE FELT, A GUIDE MEMBER EXTENDING TRANSVERSELY ACROSS THE FELT HOLDING THE FELT SUBSTANTIALLY IN A LINE OF CONTACT WITH SAID UNSUPPORTED STRETCH OF SAID PERFORATE BELT, SAID GUIDE MEMBER HAVING A CURVED PERIPHERAL SURFACE WITH A SMALL RADIUS IN CONTACT WITH THE FELT AND BEING PROVIDED WITH A SLOT EXTENDING THROUGH SAID CURVED SURFACE TO BE CLOSED BY THE FELT, AND MEANS FOR APPLYING A SUCTION ONTO SAID SLOT WHEREBY THE MOIST WEB IS RELATIVELY CLEANLY PICKED UP BY THE FELT FROM THE
Claim 2
Dependent Claim
147 words
IN A PAPERMAKING MACHINE, AN ENDLESS PERFORATE BELT FOR DRAINING A SLURRY OF FIBERS AND WATER DEPOSITED ON THE BELT TO FORM A MOIST PAPER WEB ON THE BELT, A PLURALITY OF ROLLS FOR MOVABLY SUPPORTING THE BELT AND INCLUDING A PAIR OF ROLLS PROVIDING AN UNSUPPORTED STRETCH OF THE BELT BETWEEN THEM, AN ENDLESS FELT, A PLURALITY OF ROLLS FOR MOVABLY SUPPORTING THE FELT, A GUIDE MEMBER EXTENDING TRANSVERSELY ACROSS THE FELT HOLDING THE FELT SUBSTANTIALLY IN A LINE OF CONTACT WITH SAID UNSUPPORTED STRETCH OF SAID PERFORATE BELT, SAID GUIDE MEMBER HAVING A CURVED PERIPHERAL SURFACE WITH A SMALL RADIUS IN CONTACT WITH THE FELT AND BEING PROVIDED WITH A SLOT EXTENDING THROUGH SAID CURVED SURFACE TO BE CLOSED BY THE FELT, AND MEANS FOR APPLYING A SUCTION ONTO SAID SLOT WHEREBY THE MOIST WEB IS RELATIVELY CLEANLY PICKED UP BY THE FELT FROM THE
References Cited (Backward Citations)
US1586358A
Cited
GB889244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |