G - Physics – 01 – B
Patent
G - Physics
01
B
349/41
G01B 17/02 (2006.01) G01M 17/02 (2006.01) G01N 29/22 (2006.01) G01N 29/27 (2006.01) G06F 17/00 (2006.01)
Patent
CA 1143046
METHOD AND APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF TIRES ABSTRACT OF THE DISCLOSURE A pulsed through-transmission ultrasonic non-destructive inspection of the internal struc- ture in a tire wall is effected. The transmitted acoustic signals preferably have a frequency of at least 40 Khz, are transduced to electrical form, amplified with a relatively long time constant AGC, rectified and integrated during only the initial or leading edge portions of each pulse or burst. The resulting integrated analog signal values thus pro- vided have relative magnitudes which may by displayed or otherwise processed to detect structural anomalies within the tire wall. If plural acoustic transmit- ters are utilized, they are preferably multiplexed such that only a single transducer is activated at a given time. The ultrasonic inspection is preferably carried out through the walls of a rotating inflated tire with the ultrasonic transducers being automa- tically moved toward the inner and outer tire wall sur- faces to optimum relative distances of separation during an inspection cycle. The transducers disposed inside the inflated tire are preferably mounted for automatic retraction into a protected space during tire mounting and demounting operations. Such ultrasonic inspection techniques may be combined with conventional tire buf- fing methods and apparatus as practiced in tire re- treading operations.
350137
Dugger Doyle L.
Ho Morris D.
Bandag Incorporated
Borden Ladner Gervais Llp
LandOfFree
Method and apparatus for non-destructive inspection of tires does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for non-destructive inspection of tires, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for non-destructive inspection of tires will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1107627