Beam type hardness tester for elastomeric material and method of

Details Beam type hardness tester for elastomeric material and method of Beam type hardness tester for elastomeric material and method of

1978-09-28

1980-01-08

Goldberg, Gerald

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 314

Patent

active

041821920

ABSTRACT:
An apparatus for testing hardness of elastomeric material comprising a pivotally mounted beam assembly for measuring deformation of the material when a calibrated mass is applied thereto. A horizontal anvil member supports the material being tested which is selectively positioned on the anvil member in accordance with a cross-sectional dimension of the material. The calibrated mass or weight is slidably positioned on the beam assembly also in correlation with said dimension. A measuring gauge measures the beam assembly when the test material is gripped between the beam assembly and anvil member, and indicates hardness on a scale correlated to the measured cross-sectional dimension of the material. The gauge and a lateral extension of the beam assembly are magnetically coupled. A method of measuring hardness of elastomeric material including the steps of measuring an unstressed dimension of the material, imposing on the sample material an amount of compressive force determined by the unstressed dimension, and measuring the amount of deformation of the sample.

REFERENCES:
patent: 2703492 (1955-03-01), Brissette et al.

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