Importance

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Abstract

The present invention provides a portable test system for in-situ, non-destructive identification of visco-elastic material. The system includes a probe-like member coupled to a controller, wherein the controller is responsive to an output signal from the probe-like member for determining properties of the visco-elastic material. The probe-like member includes a longitudinally extending housing. A transducer mechanism is operably positioned within the housing. The transducer mechanism includes an indentation tip member, wherein the indentation tip member is extendable through the housing. A load mechanism is provided for loading the transducer mechanism with a desired constant load, causing the indentation tip member to extend through the housing to perform an indentation. A force calibration mechanism is provided for calibrating the application of a fixed force between the indentation tip member and the visco-elastic material. A mechanism is provided for applying an audiosonic signal to the visco-elastic material via the transducer mechanism, wherein response to the audiosonic signal the transducer mechanism provides an output signal representative of identification of the visco-elastic material.

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First Claim