Fourdrinier drainage foil assembly
Abstract
Abstract A PORTION OF A PAPERMAKING MACHINE IS DISCLOSED WHERE PAPER STOCK DISCHARGE FROM A HEADBOX IS DEPOSITED UPON A FOURDRINIER TYPE WEB FORMING WIRE PROVIDED WITH DRAINAGE FOIL ASSEMBLIES BENEATH THE WIRE (SUBSTITUTED FOR TABLE ROLLS), AND A FOIL ASSEMBLY IS SUPPORTED BENEATH THE WIRE BY A SUPPORT MECHANISM CARRIED ON RAILS BENEATH AND PARALLEL TO THE EDGES OF THE WIRE. THE ASSEMBLY INCLUDES A BODY WHICH IS CONNECTED TO THE SUPPORT MECHANISM AND A FOIL CAP MOUNTED ON TOP OF THE FOIL BODY. THE FOIL BODY AND FOIL CAP ARE PROVIDED WITH A DOVETAIL CONNECTION THEREBETWEEN, A CLAMP BAR OVERLAPPING BOTH THE BODY AND CAP AND PIVOTALLY CONNECTED TO THE BODY, AND A FLUID PRESSURE INFLATABLE TUBE BETWEEN THE BAR AND BODY ON A SIDE OF THE PIVOTAL CONNECTION OPPOSITE THE CAP, THE SECURELY CLAMPING THE CAP TO THE BODY UPON INFLATING THE TUBE.
Inventors
- 👤 George E Reynolds
- 👤 Fred J Gedemer
- 👤 Lee R Loughran
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |