Self-retaining and sealing joint gasketing sleeve
Abstract
Abstract AN ELASTOMERIC SEAL COLLAR OR GASKET SLEEVE INSERTABLE BY AXIALLY APPLIED FORCE AND SELF-RETAINING IN SEALING RELATION AND POSITION BETWEEN COAXIALLY DISPOSED NONGROOVED, NON-RIBBED TELESCOPED ELEMENTS SUCH AS A CAULKED TAPE BODY OUTLET OF A DRAIN AND A PIPE STUB. A GENERALLY CLYLINDRICAL ANNULAR BODY HAS AN INTERNAL SET AND AN EXTERNAL SET OF INTERGRAL AXIALLY SPACED SIMILAR CIRCUMFERENTIAL FINS, THE INTERNAL SET AXIALLY REARWARDLY OFFSET FROM THE EXTERNAL SET. FOR THE FINS, SLOPING BACKWARDLY FROM THE INSERTION LEADING END OF THE BODY, A PARTICULAR FROM IS DESCRIBED AND THE TRAILING END OF THE BODY IS PROVIDED WITH AN EXTERNAL ARCUATE SEALING RIM AND A BROAD END FACE, GROOVED FOR DRIVING TOOL ENGAGEMENT AND TO ALLOW SEALING COMPRESSION FOR THE RIM.
Inventors
- 👤 George J Flegel
- 👤 William L Zopfi
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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |