Ultrasonic inspection carriage
Abstract
Abstract A CARRIAGE IS ADAPTED TO BE MOVED RELATIVE TO A FLAT WORKPIECE DURING THE ULTRASONIC INSPECTION THEREOF. A HOUSING CONTAINING A ROW OF TRANSDUCERS IS SUSPENDED FROM THE CARRIAGE WHEREBY, AS THE HOUSING OR CARRIAGE TRAVERSUS UNDULATIONS IN THE SURFACE OF THE WORKPIECE, THE ROW OF TRANSDUCERS IS MAINTAINED HORIZONTAL AND TRANSVERSELY DISPOSED TO THE DIRECTION OF MOVEMENT OF THE CARRIAGE RELATIVE TO THE WORKPIECE. IN ADDITION, THE BOTTOM OF THE HOUSING IS MAINTAINED AT A CONSTANT DISTANCE FROM THE WORKPIECE, WHILE THE VERTICAL AXES OF SAID TRANSDUCERS ARE MAINTAINED PERPENDICULAR TO THE PLANE OF THE WORKPIECE. THE TRANSDUCERS ARE ULTRASONICALLY COUPLED TO A COLUMN OF WATER CONTAINED IN SAID HOUSING. A JET OF WATER PROVIDES A CONTINUOUS FLOW OF WATER BETWEEN THE BOTTOM OF SAID HOUSING AND THE FLAT SURFACES OF SAID WORKPIECE OPPOSITELY DISPOSED THEREFROM. THE HOUSING IN SUPPORTED RELATIVE TO SAID FLAT SURFACES SUCH THAT THERE IS SUFFICIENT SURFACE TENSION TO MAINTAIN A CONTINUOUS LAYER OF WATER BETWEEN OPPOSING SURFACES OF SAID FLAT SURFACES AND SAID BOTTOM.
Inventors
- 👤 Edward M Nusbickel Jr
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |