US3229508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic methods of testing
Assignee: UNITED KINGDOM ATOMIC EUERGY A
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Filing: 1961-10-16
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Granted: 1966-01-18
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Sharpe Roy Samuel
- 👤 Aveyard Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/11; G01B; G01B17/00; G01B17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A METHOD OF TESTING THE GRAIN REFINED IN THE OUTER ANNGULAR REGION OF A METAL BAR OF CIRCULAR CROSSSECTION COMPRISING DIRECTING A PULSED ULTRASONIC BEAM THROUGH THE BAR, THE TRANSMITTER AND RECEIVER BEING MOUNTED ADJACENT EITHER SIDE OF THE BAR ON A CHORD DISPLACED FROM THE BAR DIAMETER AND BEING SO ORIENTED THAT, IN THE ABSENCE OF SAID BAR, THE BEAM WOULD BE TRAMSITTED DIRECTLY THEREBETWEEN, THE BAR, TRANSMITTER AND RECEIVER BEING TOTALLY IMMERSED IN A SUITABLE LIQUID, SELECTING THE RECEIVED PULSES CORRESPONDING TO THAT PART OF THE INCIDENT PULSE ENERGY WHICH IS PROPAGATED THROUGH THE OUTER ANNULAR REGION OF THE BAR AND REFLECTED FROM THE MIDPOINT OF THE SURFACE OF THE SMALLER ARC SUBTENDED BY THE CHORD SAID INCIDENT PULSE ENERGY BEING SUCH THAT SAID RECEIVED PULSES ARE OF MEASURABLE AMPLITUDE, AND MEASURING THE ATTENUATION OF SAID RECEIVED PULSES.
Claim 2
Independent Claim
140 words
A METHOD OF TESTING THE GRAIN REFINED IN THE OUTER ANNGULAR REGION OF A METAL BAR OF CIRCULAR CROSSSECTION COMPRISING DIRECTING A PULSED ULTRASONIC BEAM THROUGH THE BAR, THE TRANSMITTER AND RECEIVER BEING MOUNTED ADJACENT EITHER SIDE OF THE BAR ON A CHORD DISPLACED FROM THE BAR DIAMETER AND BEING SO ORIENTED THAT, IN THE ABSENCE OF SAID BAR, THE BEAM WOULD BE TRAMSITTED DIRECTLY THEREBETWEEN, THE BAR, TRANSMITTER AND RECEIVER BEING TOTALLY IMMERSED IN A SUITABLE LIQUID, SELECTING THE RECEIVED PULSES CORRESPONDING TO THAT PART OF THE INCIDENT PULSE ENERGY WHICH IS PROPAGATED THROUGH THE OUTER ANNULAR REGION OF THE BAR AND REFLECTED FROM THE MIDPOINT OF THE SURFACE OF THE SMALLER ARC SUBTENDED BY THE CHORD SAID INCIDENT PULSE ENERGY BEING SUCH THAT SAID RECEIVED PULSES ARE OF MEASURABLE AMPLITUDE, AND MEASURING THE ATTENUATION OF SAID RECEIVED PULSES.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |