US3318327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dump valve
Assignee: Newport News Shipbuilding and Dry Dock Co
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Filing: 1964-04-10
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Granted: 1967-05-09
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Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 William A Himes
- 👤 Alfred E Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:21
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/20; F16K1/2028; E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/902; E21; E21C; E21C45/00; F16K1/2042; F16K1/205; F16K1/2057; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
357 words
AUTOMATIC DUMP VALVE APPARATUS FOR USE IN THE SUCTION PUMPING LINE OF UNDERWATER MINING OPERATIONS AT GREAT DEPTHS AND WHEREIN THE NORMAL OPERATING PRESSURE WITHIN SAID APPARATUS IS LESS THAN THE AMBIENT PRESSURE, COMPRISING AN ELONGATED BODY MEANS HAVING A PASSAGEWAY FORMED LONGITUDINALLY THERETHROUGH, SAID BODY MEANS HAVING AN OPENING FORMED THEREIN PROVIDING COMMUNICATION BETWEEN SAID PASSAGEWAY AND THE EXTERIOR OF SAID BODY MEANS, VALVE MEANS PIVOTALLY SUPPORTED BY SAID BODY MEANS AND SHAPED SUBSTANTIALLY COMPLEMENTARY TO SAID OPENING IN SAID BODY MEANS SO AS TO CLOSE SAID OPENING WHEN IN CLOSED POSITION, SAID VALVE MEANS PIVOTING TO AN OPEN POSITION AUTOMATICALLY UNDER CERTAIN CONDITIONS SO AS TO CAUSE MATERIAL MOVING IN ONE DIRECTION THROUGH THE PASSAGEWAY IN SAID BODY MEANS TO PASS OUTWARDLY OF SAID BODY MEANS, AND SEALING MEANS FOR PROVIDING A SEAL BETWEEN SAID BODY MEANS AND SAID VALVE MEANS AND FOR PREVENTING LEAKAGE BETWEEN SAID BODY MEANS AND SAID VALVE MEANS, SAID SEALING MEANS BEING MOUNTED OUTWARDLY OF SAID BODY MEANS AND SAID VALVE MEANS AND PROVIDING A FLUID-TIGHT SEAL THEREBETWEEN WHEN SAID VALVE MEANS IS IN ITS CLOSED POSITION, SAID SEALING MEANS INCLUDING A FIRST SEALING PORTION FIXEDLY SECURED TO THE OUTER PORTION OF SAID BODY MEANS, SAID SEALING MEANS ALSO INCLUDING A SECOND SEALING PORTION FIXEDLY SECURED TO THE OUTER PORTION OF SAID VALVE MEANS, THE SEALING PORTIONS COOPERATING TO PROVIDE AN EFFECTIVE FLUIDTIGHT SEAL COMPLETELY AROUND SAID VALVE MEANS WHEN IT ITS CLOSED POSITION, SAID FIRST SEALING PORTION EXTENDING ABOUT THE UPPER PORTION OF SAID OPENING IN THE BODY MEANS WITH THE FIRST SEALING PORTION EXTENDING INWARDLY OF THE EDGE PORTIONS OF THE OPENING SO AS TO ENGAGE THE VALVE MEANS IN ITS CLOSED POSITION, SAID FIRST SEALING PORTION EXTENDING ABOUT APPROXIMATELY 1/8 OF THE EDGE PORTION OF SAID OPENING, SAID SECOND SEALING PORTION EXTENDING ABOUT THE LOWER EDGE PORTION OF SAID VALVE MEANS AND EXTENDING OUTWARDLY THEREOF FOR ENGAGING THE OUTER SURFACE OF THE BODY MEANS WHEN SAID VALVE MEANS IS IN ITS CLOSED POSITION, SAID SECOND SEALING PORTION EXTENDING OUT APPROXIMATELY 7/8 OF THE EDGE PORTION OF SAID OPENING WHEN THE VALVE MEANS IS IN ITS CLOSED POSITION.
Claim 2
Dependent Claim
357 words
AUTOMATIC DUMP VALVE APPARATUS FOR USE IN THE SUCTION PUMPING LINE OF UNDERWATER MINING OPERATIONS AT GREAT DEPTHS AND WHEREIN THE NORMAL OPERATING PRESSURE WITHIN SAID APPARATUS IS LESS THAN THE AMBIENT PRESSURE, COMPRISING AN ELONGATED BODY MEANS HAVING A PASSAGEWAY FORMED LONGITUDINALLY THERETHROUGH, SAID BODY MEANS HAVING AN OPENING FORMED THEREIN PROVIDING COMMUNICATION BETWEEN SAID PASSAGEWAY AND THE EXTERIOR OF SAID BODY MEANS, VALVE MEANS PIVOTALLY SUPPORTED BY SAID BODY MEANS AND SHAPED SUBSTANTIALLY COMPLEMENTARY TO SAID OPENING IN SAID BODY MEANS SO AS TO CLOSE SAID OPENING WHEN IN CLOSED POSITION, SAID VALVE MEANS PIVOTING TO AN OPEN POSITION AUTOMATICALLY UNDER CERTAIN CONDITIONS SO AS TO CAUSE MATERIAL MOVING IN ONE DIRECTION THROUGH THE PASSAGEWAY IN SAID BODY MEANS TO PASS OUTWARDLY OF SAID BODY MEANS, AND SEALING MEANS FOR PROVIDING A SEAL BETWEEN SAID BODY MEANS AND SAID VALVE MEANS AND FOR PREVENTING LEAKAGE BETWEEN SAID BODY MEANS AND SAID VALVE MEANS, SAID SEALING MEANS BEING MOUNTED OUTWARDLY OF SAID BODY MEANS AND SAID VALVE MEANS AND PROVIDING A FLUID-TIGHT SEAL THEREBETWEEN WHEN SAID VALVE MEANS IS IN ITS CLOSED POSITION, SAID SEALING MEANS INCLUDING A FIRST SEALING PORTION FIXEDLY SECURED TO THE OUTER PORTION OF SAID BODY MEANS, SAID SEALING MEANS ALSO INCLUDING A SECOND SEALING PORTION FIXEDLY SECURED TO THE OUTER PORTION OF SAID VALVE MEANS, THE SEALING PORTIONS COOPERATING TO PROVIDE AN EFFECTIVE FLUIDTIGHT SEAL COMPLETELY AROUND SAID VALVE MEANS WHEN IT ITS CLOSED POSITION, SAID FIRST SEALING PORTION EXTENDING ABOUT THE UPPER PORTION OF SAID OPENING IN THE BODY MEANS WITH THE FIRST SEALING PORTION EXTENDING INWARDLY OF THE EDGE PORTIONS OF THE OPENING SO AS TO ENGAGE THE VALVE MEANS IN ITS CLOSED POSITION, SAID FIRST SEALING PORTION EXTENDING ABOUT APPROXIMATELY 1/8 OF THE EDGE PORTION OF SAID OPENING, SAID SECOND SEALING PORTION EXTENDING ABOUT THE LOWER EDGE PORTION OF SAID VALVE MEANS AND EXTENDING OUTWARDLY THEREOF FOR ENGAGING THE OUTER SURFACE OF THE BODY MEANS WHEN SAID VALVE MEANS IS IN ITS CLOSED POSITION, SAID SECOND SEALING PORTION EXTENDING OUT APPROXIMATELY 7/8 OF THE EDGE PORTION OF SAID OPENING WHEN THE VALVE MEANS IS IN ITS CLOSED POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |