G - Physics
01
N
73/86
G01N 3/20 (2006.01) G01N 3/00 (2006.01) G01N 33/00 (2006.01) G01N 33/46 (2006.01)
Patent
CA 1163117
Abstract of the Disclosure An apparatus for determining the presence or absence of a predetermined minimum flexural strength and stiffness of a relatively rigid material, said apparatus comprising: a frame, a pair of flexure means, each flexure means affixed on opposite ends of a support means affixed to the frame, and equidistant from a fulcrum for the support, the fulcrum affixed to the frame at the central region, a pair of guide means, each guide means affixed to the frame equidistant from the fulcrum means and positioned on opposite sides of and apart from the flexure means whereby the material to be tested is guided between the flexure means and guide means in a substantially horizontal path, a load means affixed to the frame for applying a predetermined force to the support means whereby the flexure means deflects the relatively rigid material, and sensor means affixed to the frame for detecting the amount of deflection of the material.
364180
Pilesi William D.
Trautmann Harry J.
Borden Ladner Gervais Llp
Koppers Company Inc.
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