Method and apparatus for detecting cords in composites

Details Method and apparatus for detecting cords in composites Method and apparatus for detecting cords in composites

1997-03-06

1999-04-13

Williams, Hezron

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73579, G01H 100, G01N 2912

Patent

active

058940863

ABSTRACT:
A method and apparatus for detecting anomalous cords in reinforced composites uses means to deform and/or vibrate the composite and detect the vibration signature of the composite. Broken or frayed reinforcement cords in a reinforced composite cause changes in the vibration signature of the composite, and the apparatus used in the method of the invention employs a low damping material which is used in proximal contact to all the reinforcement cords in the reinforced composite, and one or more sensors to detect said changes. The apparatus may also include a computer for collating data, analyzing data, and providing a signal when an anomalous cord is recognized.

REFERENCES:
patent: 3815407 (1974-06-01), Lavery
patent: 3871210 (1975-03-01), Himmler et al.
patent: 3967498 (1976-07-01), Pezzillo
patent: 4491013 (1985-01-01), Bubik
patent: 5060250 (1991-10-01), Kwee et al.
patent: 5313827 (1994-05-01), Yovichin

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