US3071869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web drying apparatus
Assignee: TI Gotham Inc
•
Filing: 1958-10-16
•
Granted: 1963-01-08
•
Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Latimer
- 👤 Morrison N Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:05
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/24; F26B13/28; B; B41; B41F; B41F23/00; B41F23/04; B41F23/0403; B41F23/0423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DRYING UNIT FOR A RAPIDLY MOVING WEB COMPRISING A ROLL ADAPTED TO SUPPORT AND CHANGE THE DIRECTION OF TRAVEL OF THE WEB, A BLADE EXTENDING LONGITUDINALLY ALONG AT LEAST A PORTION OF THE ROLL AND POSITIONED ADJACENT TO A ROLL SUPPORTED PORTION OF THE WEB TO FORM WITH THE WEB CONVERGENT AND DIVERGENT SECTIONS JOINED BY A THROAT, SAID THROAT BEING BETWEEN THE BLADE AND THE ROLL SUPPORTED PORTION OF THE WEB, MEANS TO CREATE A SUFFICIENT PRESSURE DIFFERENTIAL ACROSS THE THROAT FORMED BY THE BLADE TO FLOW AIR THROUGH THE THROAT IN THE DIRECTION OF WEB TRAVEL TANGENTIALLY TO THE WEB TO PROVIDE A TURBULENT BOUNDARY LAYER ON THE WEB FLOWING IN THE DIRECTION OF WEB TRAVEL AND TO SEPARATE THE TURBULENT BOUNDARY LAYER FROM THE WEB AT A REGION IN THE DIVERGENT SECTION, AND MEANS ADJACENT TO AND DOWNSTREAM FROM THE ROLL AND BLADE TO EXHAUST IMMEDIATELY THE SEPARATED TURBULENT BOUNDARY
Claim 2
Dependent Claim
154 words
A DRYING UNIT FOR A RAPIDLY MOVING WEB COMPRISING A ROLL ADAPTED TO SUPPORT AND CHANGE THE DIRECTION OF TRAVEL OF THE WEB, A BLADE EXTENDING LONGITUDINALLY ALONG AT LEAST A PORTION OF THE ROLL AND POSITIONED ADJACENT TO A ROLL SUPPORTED PORTION OF THE WEB TO FORM WITH THE WEB CONVERGENT AND DIVERGENT SECTIONS JOINED BY A THROAT, SAID THROAT BEING BETWEEN THE BLADE AND THE ROLL SUPPORTED PORTION OF THE WEB, MEANS TO CREATE A SUFFICIENT PRESSURE DIFFERENTIAL ACROSS THE THROAT FORMED BY THE BLADE TO FLOW AIR THROUGH THE THROAT IN THE DIRECTION OF WEB TRAVEL TANGENTIALLY TO THE WEB TO PROVIDE A TURBULENT BOUNDARY LAYER ON THE WEB FLOWING IN THE DIRECTION OF WEB TRAVEL AND TO SEPARATE THE TURBULENT BOUNDARY LAYER FROM THE WEB AT A REGION IN THE DIVERGENT SECTION, AND MEANS ADJACENT TO AND DOWNSTREAM FROM THE ROLL AND BLADE TO EXHAUST IMMEDIATELY THE SEPARATED TURBULENT BOUNDARY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |