Patent US3196520A successfully refreshed from Google Patents.
US3196520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular roller with carrier core and division of the gap between the roller and core into longitudinal chambers
Assignee: Eduard Kuesters Maschinenfabrik GmbH and Co KG
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Filing: 1963-03-05
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Granted: 1965-07-27
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Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Appenzeller Valentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:43
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; F16C13/022; F16C13/024; F16C13/026; B; B29; B29C; B29C43/00; B29C43/22; B65; B65H; B65H27/00; D; D06; D06B; D06B23/00; D06B23/02; D06B23/021; D06C; D06C15/00; D06C15/08; D21; D21F; D21F3/00; D21F3/02; D21F3/08; D21G; D21G1/00; D21G1/02; D21G1/0206; D21G1/0213; D21G1/022; B65H2404/00; B65H2404/10; B65H2404/12; B65H2404/121; B65H2404/14; B65H2404/145; B65H2404/1451; F16C2340/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A ROLLER FOR APPLYING PRESSURE ALONG A SIDE THEREOF TO WEBS OF MATERIAL, SAID SIDE COMPRISING THE OPERATIVE SIDE OF THE ROLLER, SAID ROLLER HAVING A STATIONARY CORE SUPPORTED AT ITS ENDS, A TUBE WITH ITS OUTER SURFACE FORMING THE WEB-CONTACTING PERIPHERY OF THE ROLLER AND ROTATING ABOUT THE STATIONARY CORE AND HAVING AN INTERNAL CROSSSECTION GREATER THAN THE CROSS-SECTION OF THE CORE THEREBY FORMING A SPACE BETWEEN THE CORE AND THE TUBE THROUGHOUT ITS ENTIRE INTERNAL PERIPHERY, CLOSURE MEANS AT THE ENDS OF SAID TUBE, IN COMBINATION WITH SEALING MEANS ALONG OPPOSITE LONGITUDINAL SIDES OF SAID CORE EXTENDING TO THE INTERNAL PERIPHERY OF THE TUBE SEPARATING THE SPACE BETWEEN THE CORE AND TUBE INTO FIRST AND SECOND LONGITUDINAL CHAMBERS, THE FIRST CHAMBER BEING ON THE OPERATIVE SIDE OF THE ROLLER AND CONTAINING A FLUID MEDIUM UNDER PRESSURE, SAID SEALING MEANS COMPRISING A PIVOTABLE STRIP HAVING FIRST AND SECOND ARMS AT AN ANGLE TO EACH OTHER, A V-
Claim 2
Dependent Claim
158 words
A ROLLER FOR APPLYING PRESSURE ALONG A SIDE THEREOF TO WEBS OF MATERIAL, SAID SIDE COMPRISING THE OPERATIVE SIDE OF THE ROLLER, SAID ROLLER HAVING A STATIONARY CORE SUPPORTED AT ITS ENDS, A TUBE WITH ITS OUTER SURFACE FORMING THE WEB-CONTACTING PERIPHERY OF THE ROLLER AND ROTATING ABOUT THE STATIONARY CORE AND HAVING AN INTERNAL CROSSSECTION GREATER THAN THE CROSS-SECTION OF THE CORE THEREBY FORMING A SPACE BETWEEN THE CORE AND THE TUBE THROUGHOUT ITS ENTIRE INTERNAL PERIPHERY, CLOSURE MEANS AT THE ENDS OF SAID TUBE, IN COMBINATION WITH SEALING MEANS ALONG OPPOSITE LONGITUDINAL SIDES OF SAID CORE EXTENDING TO THE INTERNAL PERIPHERY OF THE TUBE SEPARATING THE SPACE BETWEEN THE CORE AND TUBE INTO FIRST AND SECOND LONGITUDINAL CHAMBERS, THE FIRST CHAMBER BEING ON THE OPERATIVE SIDE OF THE ROLLER AND CONTAINING A FLUID MEDIUM UNDER PRESSURE, SAID SEALING MEANS COMPRISING A PIVOTABLE STRIP HAVING FIRST AND SECOND ARMS AT AN ANGLE TO EACH OTHER, A V-
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |