System and method for determination of the strength of sheet materials.

摘要

A system and method are disclosed which provide a determination of the strength of paper or other sheet materials. The method used is not destructive and can be used to make measurements "on-line" while, for example, the paper sheet is being manufactured. A sensor senses a pheripheral characeteristic of the sheet which is related to the elastic modulus and bending stiffness of the sheet and generates electrical signals corresponding thereto. A computer calculates a strength value for the sheet based upon these electrical signals. This computed strength value may be correlated with "Mullen" and other standardized strength tests.