G - Physics – 01 – N
Patent
G - Physics
01
N
73/70
G01N 3/08 (2006.01) G01L 1/22 (2006.01) G01N 3/06 (2006.01)
Patent
CA 1104372
MATERIAL TESTING DEVICE ABSTRACT OF THE DISCLOSURE A testing device for applying a force to a material test sample includes a test fixture for engaging the test sample and a solenoid, operatively coupled to the test fixture, for applying a predetermined force to the test sample in response to a solenoid control signal. A strain gauge is mounted on the test fixture and provides an elec- trical output indicative of the force applied to the test sample. A force setting circuit provides an electrical out- put indicative of the predetermined force which is to be applied to the test sample. A solenoid control circuit is responsive to the output from the strain gauge means and to the output of the force setting means and provides a con- trol signal to the solenoid such that the predetermined force may be applied to the test sample. The force setting cir- cuit provides an electrical output having an adjustable rate of increase and an adjustable maximum level. A sample cir- cuit monitors the output of the strain gauge to store the peak force applied to the test sample. The testing device also includes a circuit for providing a visual indication of whether the test sample has withstood an adjustable force level.
348824
Gowling Lafleur Henderson Llp
Ledex Inc.
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