Coupling assembly
Abstract
Abstract A COUPLING ASSEMBLY RELEASABLY CONNECTED TO A PIPE OR TUBE IN A CONCUIT SYSTEM HAS A CASING WHICH ENCLOSES AXIALLY OUTER AND INNER SLEEVES, RESPECTIVELY, MOUNTED COAXIALLY ON AN END PORTION OF THE PIPE, SAID OUTER SLEEVE TO RETAIN THE PIPE EFFECTIVELY IN THE ASSEMBLY AND SAID INNER SLEEVE TO RETAIN OUTER AND INNER RINGS IN EFFECTIVE SEALING CONTACT WITH THE CASING AND THE PIPE AND SAID OUTER SLEEVE BEING RELEASABLY INTERLOCKED WITH THE CASING, AND A PORTION OF THE INNER SLEEVE ARRANGED BETWEEN THE CASING AND THE OUTER SLEEVE CLOSELY ENGAGES THE LATTER TO EXERT CONSTRICTIVE PRESSURE THEREON WITH INCREASING INTERNAL PRESSURE IN THE SYSTEM WHEREBY CAMMING ACTION OF THE INNER SLEEVE CONSTRICTS SAID OUTER SLEEVE SO THAT THE PIPE IS MORE SECURELY CLAMPED THEREBY AND RESTRAINED AGAINST BLOW-OUT OR OUTWARD AXIAL DISPLACEMENT.
Inventors
- 👤 Homer D Roe
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 |