US3334906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal
Assignee: Beazer East Inc
•
Filing: 1965-02-18
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Granted: 1967-08-08
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Walter C Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:19
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/002; F16J15/006; Y; Y10; Y10S; Y10S277/00; Y10S277/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A ROD PACKING ASSEMBLY FOR SEALING AGAINST THE FLOW OF PULSATING FLUID PRESSURE FROM ONE SIDE OF A HOUSING TO THE OPPOSITE SIDE AROUND A ROD EXTENDING THROUGH AN ANNULAR CAVITY IN SAID HOUSING, COMPRISING: A PLURALITY OF AXIALLY ALIGNED ANNULAR SEAL CUPS SURROUNDING SAID ROD AND SECURED IN SAID CAVITY AGAINST A FLANGE PROVIDED ON SAID HOUSING; EACH OF SAID SEAL CUPS HAVING RING SEAL MEANS WITHIN A SEAL RECESS PROVIDED IN SAID CUPS AND IN SEALING ENGAGEMENT WITH SAID ROD FOR SEALING AGAINST THE FLOW OF FLUID PRESSURE AROUND SAID ROD; EACH OF SAID SEAL CUPS BETWEEN THE OUTERMOST SEAL CUPS PROVIDED WITH AXIALLY ALIGNED LONGITUDINAL BORES SPACED FROM SAID SEAL RECESS AND ALSO PROVIDED WITH RADIAL BORES CONNECTING EACH LONGITUDINAL BORE WITH THE CORRESPONDING SEAL RECESS IN SAID CUP; SAID OUTERMOST CUP ADJACENT THE HIGH PRESSURE SIDE OF SAID ASSEMBLY PROVIDED WITH A PASSAGEWAY COMMUNI-
Claim 2
Dependent Claim
148 words
A ROD PACKING ASSEMBLY FOR SEALING AGAINST THE FLOW OF PULSATING FLUID PRESSURE FROM ONE SIDE OF A HOUSING TO THE OPPOSITE SIDE AROUND A ROD EXTENDING THROUGH AN ANNULAR CAVITY IN SAID HOUSING, COMPRISING: A PLURALITY OF AXIALLY ALIGNED ANNULAR SEAL CUPS SURROUNDING SAID ROD AND SECURED IN SAID CAVITY AGAINST A FLANGE PROVIDED ON SAID HOUSING; EACH OF SAID SEAL CUPS HAVING RING SEAL MEANS WITHIN A SEAL RECESS PROVIDED IN SAID CUPS AND IN SEALING ENGAGEMENT WITH SAID ROD FOR SEALING AGAINST THE FLOW OF FLUID PRESSURE AROUND SAID ROD; EACH OF SAID SEAL CUPS BETWEEN THE OUTERMOST SEAL CUPS PROVIDED WITH AXIALLY ALIGNED LONGITUDINAL BORES SPACED FROM SAID SEAL RECESS AND ALSO PROVIDED WITH RADIAL BORES CONNECTING EACH LONGITUDINAL BORE WITH THE CORRESPONDING SEAL RECESS IN SAID CUP; SAID OUTERMOST CUP ADJACENT THE HIGH PRESSURE SIDE OF SAID ASSEMBLY PROVIDED WITH A PASSAGEWAY COMMUNI-
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |