Method of measuring tear resistance of paper and apparatus...

Details Method of measuring tear resistance of paper and apparatus... Method of measuring tear resistance of paper and apparatus...

G - Physics

01

N

73/77

G01N 3/00 (2006.01)

Patent

CA 1228245

ABSTRACT The invention relates to a method of measuring tear resistance of paper. At present, the measurements are effected by using a multi-layer pack of paper and by tearing it by means of the potential energy of a pendul- um. According to the invention, a paper sample (1) is provided with a tongue-shaped test blank (2), whose one end (3) is secured to the paper sample, said paper sample is torn by pulling the test blank and/or paper sample in different directions relative to each other and the tearing force is measured. (Fig. 1)

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