Patent US3176503A successfully refreshed from Google Patents.
US3176503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel leak testor
Assignee: Inteco Corp
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Filing: 1962-12-19
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Granted: 1965-04-06
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Bernie E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0091; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2876; G01M3/32; G01M3/3236; G01M3/3263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
AN APPARATUS ADAPTED TO MEASURE FLUID TIGHTNESS OF A PRESSURE VESSEL WHEREBY SAID APPARATUS REJECTS A DEFECTIVE VESSEL OR ACCEPTS SAME IN A SATISFACTORY CONDITION, COMPRISING, IN COMBINATION, (1) A U-TUBE ADAPTED TO CONTAIN A FREELY MOVABLE MERCURY PISTON IN ITS LEGS THE DISPLACEMEMNT THEREOF ALONG SUCH LEGS REFLECTING FLUID LEAKAGE LOSS SUSTAINED BY THE VESSEL, (2) A PNEUMATIC CIRCUIT SYSTEM MAINTAINED BY A LINE PRESSURE CONDUIT AND COMPRISING CONDUITS FOR SUPPLYING AIR INDIVIDUALLY TO EACH LEG OF SAID U-TUBE, A CONNECTING CONDUIT BETWEEN ONE OF THE LEGS OF SAID UTUBE AND THE INLET END OF THE VESSEL BEING TESTED, MEANS TO REGULATE FLOW OF AIR TO THE VESSEL MOUNTED IN SAID CONNECTING CONDUIT, AND AN ADDITIONAL CONDUIT FOR SUPPLYING AT LINE PRESSURE AIR DIRECTLY TO THE VESSEL NOT THROUGH SAID REGULATIONG MEANS, THEREBY NOT INCREASING THE TIME REQUIRED FOR OBTAINING TESTING PRESSURE IN THE VESSEL, (3) MEANS PROVIDED FOR SAID PNEUMATIC CIRCUIT SYSTEM TO CUT OFF THE SUPPLY OF AIR TO BOTH LEGS OF SAID UTUBE AND TO SAID ADDITIONAL CONDUIT SUPPLYING AIR TO THE VESSEL DURING THE TESTING CYCLE THEREON, AND (4) MEANS TO INDICATE A VOLUME LOSS OF AIR SUSTAINED IN SAID ONE OF THE LEGS OF SAID U-TUBE AND CONNECTING CONDUIT AS A RESULT OF LEAKAGE LOSS SUSTAINED IN SUCH VESSEL.
Claim 2
Independent Claim
215 words
AN APPARATUS ADAPTED TO MEASURE FLUID TIGHTNESS OF A PRESSURE VESSEL WHEREBY SAID APPARATUS REJECTS A DEFECTIVE VESSEL OR ACCEPTS SAME IN A SATISFACTORY CONDITION, COMPRISING, IN COMBINATION, (1) A U-TUBE ADAPTED TO CONTAIN A FREELY MOVABLE MERCURY PISTON IN ITS LEGS THE DISPLACEMEMNT THEREOF ALONG SUCH LEGS REFLECTING FLUID LEAKAGE LOSS SUSTAINED BY THE VESSEL, (2) A PNEUMATIC CIRCUIT SYSTEM MAINTAINED BY A LINE PRESSURE CONDUIT AND COMPRISING CONDUITS FOR SUPPLYING AIR INDIVIDUALLY TO EACH LEG OF SAID U-TUBE, A CONNECTING CONDUIT BETWEEN ONE OF THE LEGS OF SAID UTUBE AND THE INLET END OF THE VESSEL BEING TESTED, MEANS TO REGULATE FLOW OF AIR TO THE VESSEL MOUNTED IN SAID CONNECTING CONDUIT, AND AN ADDITIONAL CONDUIT FOR SUPPLYING AT LINE PRESSURE AIR DIRECTLY TO THE VESSEL NOT THROUGH SAID REGULATIONG MEANS, THEREBY NOT INCREASING THE TIME REQUIRED FOR OBTAINING TESTING PRESSURE IN THE VESSEL, (3) MEANS PROVIDED FOR SAID PNEUMATIC CIRCUIT SYSTEM TO CUT OFF THE SUPPLY OF AIR TO BOTH LEGS OF SAID UTUBE AND TO SAID ADDITIONAL CONDUIT SUPPLYING AIR TO THE VESSEL DURING THE TESTING CYCLE THEREON, AND (4) MEANS TO INDICATE A VOLUME LOSS OF AIR SUSTAINED IN SAID ONE OF THE LEGS OF SAID U-TUBE AND CONNECTING CONDUIT AS A RESULT OF LEAKAGE LOSS SUSTAINED IN SUCH VESSEL.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |