Patent US1136838A successfully refreshed from Google Patents.
US3711368A
Expired / Lapsed
US
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Roll support for paper machine drainage foils
Assignee: General Electric Canada Co
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Filing: 1970-10-30
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Granted: 1973-01-16
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Expires: 1990-10-30
Abstract
Abstract PAPER MACHINE DRAINAGE FOILS ARE SUPPORTED ON A FOIL PLATFORM WHICH IN TURN IS SUPPORTED ON A ROLL ASSEMBLY COMPRISING A ROLL SHELL HAVING A PROTECTIVE RUBBER CORE AND ROLL JOURNALS WHICH SUPPORT THE ROLL SHELL AT ITS ENDS, THE ROLL SHELL EXTENDS TRANSVERSELY ACROSS THE FILL WIDTH OF THE PAPER MACHINE AND SUPPORT FOR THE PLATFORM IS OBTAINED BY MULTIPLE PADS TRANSVERSELY SPACED ALONG THE ROLL SHELL AND CONNECTED BETWEEN THE SHELL AND THE PLATFORM. ADJUSTMENT NUTS LOCATED ON POST WHICH ARE CONNECTED TO THE ROLL JOURNALS FUNCTION TO CONTROL THE VERTICAL POSITIONING OF THE ROLL SHELL AND FOILS IN RELATION TO THE FOUDRINIER WIRE.
Inventors
- 👤 L Truxa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:59
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/48; D21F1/483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |