A test piece, placed over a circular elastic diaphragm, is rigidly clamped at the periphery but free to bulge with the diaphragm. Hydraulic fluid is pumped at a constant rate, bulging the diaphragm until the test piece ruptures. The bursting strength of the test piece is the...
Basically Cobb Tester consists of a support frame and a metallic cylinder about 5 cm high with an internal cross section of 100.00 cm2 (11.29 cm internal diameter). Clamping System : The cylinder is clamped by spring loaded upper plate lined with rubber mat...