Reinforced plastic bearing
Abstract
Abstract A REINFORCEDCC PLASTIC BEARING COMPRISING A GENERALLY TORIC CORE OF GLASS STRANDS DISPOSED IN A RESIN MATERIAL, AND A TUBULAR LAYER OF TETRAFLUOROETHYLENE-COTTON THREADS EMBEDDED IN A RESIN MATERIAL AND ENROBING THE CORE TO PROVIDE AN EXTERIOR SURFACE INCLUDING THE TETRAFLUOROETHYLENE FIBERS OF THE EMBEDDED THREADS. PREFERABLY, THE RESIN MATERIAL EMBEDDED THE TETRAFLUOROETHYLENE-COTTON THREADS IN LOADED WITH FINELY DIVIDED PARTICLES OF TETRAFLUOROETHYLENE IMPREGNATING THE COTTON FIBERS OF THE EMBEDDED THREADS. THE PREFERRED METHOD FOR FABRICATING SUCH A BEARINGB COMPRISES THE STEPS OF ARRANGING THE GLASS STRANDS TO PROVIDE AN ELONGATED BUNDLE HAVING A CIRCULAR CROSS SECTION AND IMPREGNATING THE STRANDS WITH RESIN, ARRANGING THE TETRAFLUOROETHYLENE-COTTON THREADS PERIPHERALLY ABOUT THE BUNDLE, HELICALLY WRAPPI NG THE BUNDLE WITH THE THREADS THEREON ABOUT A CYLINDRICAL MANDREL, CURING THE RESIN, AND CUTTING THE HELICALLY WRAPPED BUNDLE AXIALLY ALONG THE MANDREL TO SEPARATE THE BEATINGS.
Inventors
- 👤 Samuel M Shobert
- 👤 Joseph K Tunis
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |