Patent US3286360A successfully refreshed from Google Patents.
US3286360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Divided temperature controlled press
Assignee: Beloit Corp
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Filing: 1963-10-16
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Granted: 1966-11-22
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W E Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:43
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0009; D21G9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF REDUCING THE MOISTURE IN A TRAVELING PAPER WEB WHICH COMPRISES PASSING THE WEB THROUGH A DRYING NIP IN CONTACT WITH A TRAVELING FELT, AND CONTACTING THE WEB WITH A SMOOTH HEATED SURFACE, THEREBY CONTRIBUTING HEAT ENERGY TO THE WEB AHEAD OF THE NIP TO BRING THE WEB TO A TEMPERATURE OF SUBSTANTIALLY 212*F. TO PREVENT THE FORMATION OF A PARTIAL VACUUM IN THE WEB AT THE OFFRUNNING SIDE OF THE NIP, THEREBY MAINTAINING A TEMPERATURE DIFFERENTIAL BETWEEN THE WEB AND FELT OF AT LEAST ABOUT 50*F.
Claim 2
Independent Claim
89 words
A METHOD OF REDUCING THE MOISTURE IN A TRAVELING PAPER WEB WHICH COMPRISES PASSING THE WEB THROUGH A DRYING NIP IN CONTACT WITH A TRAVELING FELT, AND CONTACTING THE WEB WITH A SMOOTH HEATED SURFACE, THEREBY CONTRIBUTING HEAT ENERGY TO THE WEB AHEAD OF THE NIP TO BRING THE WEB TO A TEMPERATURE OF SUBSTANTIALLY 212*F. TO PREVENT THE FORMATION OF A PARTIAL VACUUM IN THE WEB AT THE OFFRUNNING SIDE OF THE NIP, THEREBY MAINTAINING A TEMPERATURE DIFFERENTIAL BETWEEN THE WEB AND FELT OF AT LEAST ABOUT 50*F.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |