US3286512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing lip seals
Assignee: George Angus and Co Ltd
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Filing: 1964-11-16
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Granted: 1966-11-22
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ernest T Jagger
- 👤 Geoffrey W Halliday
- 👤 Peter W Pattison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:02
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3296; G; G01; G01M; G01M13/00; G01M13/005; G01N; G01N3/00; G01N3/08; G01N3/10; G07; G07C; G07C3/00; G07C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
LIP SEAL TESTING APPARATUS COMPRISING A DIAMETRALLY SPLIT CYLINDRICAL SURFACE MEMBER COMPOSED OF TWO PARTS MOUNTED FOR RELATIVE MOVEMENT PERPENDICULARLY TO THE DIAMETRAL SPLIT BETWEEN THEM, THE CYLINDRICAL SURFACE OF THE SPLIT MEMBER CORRESPONDING IN DIAMETER TO A CYLINDRICAL SURFACE TO BE SEALED BY THE LIP OF A SEAL TO BE TESTED, AND ACTUATING MEANS FOR BOTH EFFECTING AND INDICATING THE RELATIVE MOVEMENT OF THE SPLIT MEMBER PARTS; IN WHICH SAID ACTUATING MEANS INCLUDES A PNEUMATIC LOAD CELL, A THRUST MEMBER OF SAID CELL, MEANS FOR SUPPLYING AIR UNDER CONTROLLED PRESSURE TO SAID CELL TO MOVE SAID THRUST MEMBER, MECHANICAL COUPLING MEANS BETWEEN SAID THRUST MEMBER AND A PART OF SAID SPLIT MEMBER FOR TRANSMITTING MOVEMENT OF ONE OF THE OTHER AND A PRESSURE GAUGE CONNECTED TO SAID CELL TO RESPOND TO CHANGE OF PRESSURE CONSEQUENT ON MOVEMENT OF SAID THRUST MEMBER.
Claim 2
Dependent Claim
142 words
LIP SEAL TESTING APPARATUS COMPRISING A DIAMETRALLY SPLIT CYLINDRICAL SURFACE MEMBER COMPOSED OF TWO PARTS MOUNTED FOR RELATIVE MOVEMENT PERPENDICULARLY TO THE DIAMETRAL SPLIT BETWEEN THEM, THE CYLINDRICAL SURFACE OF THE SPLIT MEMBER CORRESPONDING IN DIAMETER TO A CYLINDRICAL SURFACE TO BE SEALED BY THE LIP OF A SEAL TO BE TESTED, AND ACTUATING MEANS FOR BOTH EFFECTING AND INDICATING THE RELATIVE MOVEMENT OF THE SPLIT MEMBER PARTS; IN WHICH SAID ACTUATING MEANS INCLUDES A PNEUMATIC LOAD CELL, A THRUST MEMBER OF SAID CELL, MEANS FOR SUPPLYING AIR UNDER CONTROLLED PRESSURE TO SAID CELL TO MOVE SAID THRUST MEMBER, MECHANICAL COUPLING MEANS BETWEEN SAID THRUST MEMBER AND A PART OF SAID SPLIT MEMBER FOR TRANSMITTING MOVEMENT OF ONE OF THE OTHER AND A PRESSURE GAUGE CONNECTED TO SAID CELL TO RESPOND TO CHANGE OF PRESSURE CONSEQUENT ON MOVEMENT OF SAID THRUST MEMBER.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |