G - Physics – 01 – N
Patent
G - Physics
01
N
73/89
G01N 3/08 (2006.01) G01N 3/10 (2006.01)
Patent
CA 1038194
Abstract of the Disclosure An improved testing device for testing the tensile strength of sheet material, such as paper, including a first pair of vertically moving jaws mounted on a support and a second pair of vertically moving jaws hanging from the first support in a pendulum manner and adapted to be at a dead-center position with the second pair of jaws juxtaposed to the first pair of jaws and in contact therewith for gripping a sheet of material to be tested therebetween. Low pressure, large diameter, pneu- matic cylinders are provided for moving the lower jaws of each pair upwardly towards the fixed jaws against a self-aligning cylindrical spring.
253719
Bruinsma Bote
Cowan Wavell F.
LandOfFree
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