G - Physics – 01 – N
Patent
G - Physics
01
N
349/42
G01N 29/26 (2006.01) F17C 13/02 (2006.01) G01N 29/22 (2006.01)
Patent
CA 2037524
ABSTRACT OF THE DISCLOSURE ULTRASONIC TESTING APPARATUS AND METHOD FOR RAPIDLY INSPECTING A LARGE NUMBER OF GAS CYLINDERS OF SIMILAR DESIGN FOR INTERNAL NECK-SHOULDER DEFECTS The present invention provides an apparatus and method for ultrasonically testing the internal neck-shoulder region of a large number of gas cylinders for radially oriented defects. The apparatus and method includes housing an ultrasonic transducer within a shoe in a predetermined orientation wherein the transducer 1s wedged at a wedge angle so that ultrasonic pulses travel directly through the shoulder region to the top and bottom of the internal neck-shoulder region and is also outwardly skewed within the shoe at a skew angle such that the radially oriented defects reflect the ultrasonic pulses and produce return echoes. An automated scanner moves the shoe and therefore the transducer in a predetermined pattern such that the entire internal neck-shoulder region of the gas cylinder is scanned. The scanner is supported by a stand that allows the automated scanner to be rapidly set up on the gas cylinders being tested. A processor activates the transducer to produce ultrasonic pulses controls the automated scanner and responds to the return echoes for indicating the presence of the radial defects that require the removal of a particular one of the gas cylinders from service.
Lewis Robert E.
Paciej Richard C.
Gowling Lafleur Henderson Llp
Lewis Robert E.
Paciej Richard C.
The Boc Group Inc.
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