US2746166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of web drying
Assignee: EIDP Inc
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Filing: 1954-11-30
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Granted: 1956-05-22
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Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 Stevens William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:50
CPC Classifications
B; B29; B29D; B29D7/00; B29C; B29C71/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
THE PROCESS WHICH COMPRISES PASSING A CONTINUOUS WEB OF NON-FIBROUS GAL CELLULOSIC SHEET MATERIAL, COMPRISING EDGE LANES ABD CENTER SECTION, THROUGH A DRYING ZONE, SUBJECTING THE WEB IN SAID ZONE TO DRYING TEPERATURES MAINTAINED SUBSTANTIALLY UNIFORM ACROSS THE WIDTH OF THE WEB WHEREBY THE WEB TRANSVERSE MOISTURE DISTRIBUTION PROFILE IS MAINTAINED SUBSTANTIALLY SYMMETRICAL, MAINTAINING THE WEB UNDER LONGITUDINAL TENSION JUST SUFFICIENT TO PREVENT WRINKLING OR DISTORTION OF THE WEB HAS THE MOSITURE CONTENT OF THE EDGE LANES OF THE WEB HAS BEEN REDUCEED TO APPROXIMATELY 0.1 TO 0.5 TIMES THE WEIGHT OF THE DRY CELLULOSIC MATERIAL AND THE MOISTURE CONTENT OF THE CENTER SECTION OF THE WEB HAS BEEN SIMULTANEOUSLY REDUCED TO APPROXIMATELY 0.3 TO 1.5 TIMES THE WEIGHT OF THE DRY CELLULOSIC MATERIAL, SAID CENTER SECTION BEING MORE MOIST THAN SAID EDGE LANES, AND THEREAFTER INCREASING THE LONGITUDINAL TENSION ON THE WEB TO AN AMOUNT SUFFICIENT TO ELONGATE THE CENTER SECTION TO APPROXIMATELY THE SAME LENGTH AS THE EDGE LANES, AND COMPLETING DRYING OF THE WEB.
Claim 2
Dependent Claim
167 words
THE PROCESS WHICH COMPRISES PASSING A CONTINUOUS WEB OF NON-FIBROUS GAL CELLULOSIC SHEET MATERIAL, COMPRISING EDGE LANES ABD CENTER SECTION, THROUGH A DRYING ZONE, SUBJECTING THE WEB IN SAID ZONE TO DRYING TEPERATURES MAINTAINED SUBSTANTIALLY UNIFORM ACROSS THE WIDTH OF THE WEB WHEREBY THE WEB TRANSVERSE MOISTURE DISTRIBUTION PROFILE IS MAINTAINED SUBSTANTIALLY SYMMETRICAL, MAINTAINING THE WEB UNDER LONGITUDINAL TENSION JUST SUFFICIENT TO PREVENT WRINKLING OR DISTORTION OF THE WEB HAS THE MOSITURE CONTENT OF THE EDGE LANES OF THE WEB HAS BEEN REDUCEED TO APPROXIMATELY 0.1 TO 0.5 TIMES THE WEIGHT OF THE DRY CELLULOSIC MATERIAL AND THE MOISTURE CONTENT OF THE CENTER SECTION OF THE WEB HAS BEEN SIMULTANEOUSLY REDUCED TO APPROXIMATELY 0.3 TO 1.5 TIMES THE WEIGHT OF THE DRY CELLULOSIC MATERIAL, SAID CENTER SECTION BEING MORE MOIST THAN SAID EDGE LANES, AND THEREAFTER INCREASING THE LONGITUDINAL TENSION ON THE WEB TO AN AMOUNT SUFFICIENT TO ELONGATE THE CENTER SECTION TO APPROXIMATELY THE SAME LENGTH AS THE EDGE LANES, AND COMPLETING DRYING OF THE WEB.
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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |