METHOD FOR MEASURING THE THICKNESS OF A LAYER OF RUBBER-LIKE MATERIAL
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Abstract
A method is provided for measuring a thickness of a layer of rubber-like material. The layer of rubber-like material includes a free face in contact with air and a face joined to an adjacent reinforcement made of elements electrically insulated from one another. Each of the elements includes at least one hysteretic material having a magnetic permeability greater than the magnetic permeability of air. According to the method, a sensitive element, which emits an alternating magnetic field, is brought towards the layer of rubber-like material whose thickness is to be measured, hysteretic losses in the adjacent reinforcement are measured at terminals of the sensitive element, and a thickness of the layer of rubber-like material is evaluated based on the hysteretic losses.
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Citations
20 Claims
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1-10. -10 (canceled)
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11. :
- A method for measuring a thickness of a layer of rubber-like material that includes a free face in contact with air and a face joined to an adjacent reinforcement made of elements electrically insulated from one another, each of the elements containing at least one hysteretic material having a magnetic permeability greater than a magnetic permeability of air, the method comprising steps of;
causing a sensitive element, which emits an alternating magnetic field, to be moved towards the layer of rubber-like material; measuring hysteretic losses in the adjacent reinforcement, the hysteretic losses being measured at terminals of the sensitive element; and evaluating a thickness of the layer of rubber-like material based on the hysteretic losses. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- A method for measuring a thickness of a layer of rubber-like material that includes a free face in contact with air and a face joined to an adjacent reinforcement made of elements electrically insulated from one another, each of the elements containing at least one hysteretic material having a magnetic permeability greater than a magnetic permeability of air, the method comprising steps of;
Specification