US3206092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for threading of web-like materials
Assignee: Svenska Flaktfabriken AB
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Filing: 1963-06-19
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Granted: 1965-09-14
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Wallin Sven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:48
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0063; D06; D06C; D06C3/00; D06C3/02; D06C3/028; D06C7/00; D21F; D21F7/00; D21F7/04; F; F26; F26B; F26B13/00; F26B13/10; F26B13/101; F26B13/104; D06C2700/00; D06C2700/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A DEVICE FOR THREADING AND GUIDING A WEB-LIKE MATERIAL WHICH IS TO BE CONVEYED AIR-BORNE THROUGH A DRIER OR THE LIKE BY A CONVEYING PLANE, SAID CONVEYING PLANE COMPRISING A PLURALITY OF BLOW BOXES HAVING A PERFORATED UPPER SURFACE AND ADAPTED TO SUPPORT AND CONVEY SAID MATERIAL BY AIR PASSING THROUGH SAID PERFORATED SURFACE, SAID DEVICE INCLUDING AN AIR DISTRIBUTION BOX POSITIONED ADJACENT TO SAID CONVEYING PLANE AND EXTENDING ALONG SAID CONVEYING PLANE, SAID AIR DISTRIBUTION BOX HAVING A PERFORATED SURFACE ADJACENT THE MATERIAL TO BE CONVEYED, SAID SURFACE IMPARTING TO AIR EMANATING FROM SAID PERFORATIONS A FORWARFD FLOW SUBSTANTIALLY PARALLEL TO THE UPPER SURFACE OF SAID BLOW BOXES, WHEREBY AIR FLOW FROM SAID DISTRIBUTION BOX CAUSES SAID WEB-LIKE MATERIAL TO PRESS TOWARDS SAID SURFACE OF SAID DISTRIBUTION BOX, CONVEYING MEANS ON SAID DISTRIBUTION BOX AND HAVING A PORTION COPLANER WITH SAID CONVEYING PLANE AND ADAPTED TO RECEIVE AND LEAD THE DOWNWARDLY PRESSED LEADING END OF THE WEB-LIKE MATERIAL.
Claim 2
Independent Claim
159 words
A DEVICE FOR THREADING AND GUIDING A WEB-LIKE MATERIAL WHICH IS TO BE CONVEYED AIR-BORNE THROUGH A DRIER OR THE LIKE BY A CONVEYING PLANE, SAID CONVEYING PLANE COMPRISING A PLURALITY OF BLOW BOXES HAVING A PERFORATED UPPER SURFACE AND ADAPTED TO SUPPORT AND CONVEY SAID MATERIAL BY AIR PASSING THROUGH SAID PERFORATED SURFACE, SAID DEVICE INCLUDING AN AIR DISTRIBUTION BOX POSITIONED ADJACENT TO SAID CONVEYING PLANE AND EXTENDING ALONG SAID CONVEYING PLANE, SAID AIR DISTRIBUTION BOX HAVING A PERFORATED SURFACE ADJACENT THE MATERIAL TO BE CONVEYED, SAID SURFACE IMPARTING TO AIR EMANATING FROM SAID PERFORATIONS A FORWARFD FLOW SUBSTANTIALLY PARALLEL TO THE UPPER SURFACE OF SAID BLOW BOXES, WHEREBY AIR FLOW FROM SAID DISTRIBUTION BOX CAUSES SAID WEB-LIKE MATERIAL TO PRESS TOWARDS SAID SURFACE OF SAID DISTRIBUTION BOX, CONVEYING MEANS ON SAID DISTRIBUTION BOX AND HAVING A PORTION COPLANER WITH SAID CONVEYING PLANE AND ADAPTED TO RECEIVE AND LEAD THE DOWNWARDLY PRESSED LEADING END OF THE WEB-LIKE MATERIAL.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |