Patent ID: 8403245
Filing Date: 2013-03-26
Classification: B02C

Abstract:
1. A cushioning element for use in a mill liner assembly that includes a mounting element having a base wall for securement to an inner surface of a grinding mill drum, a continuous upstanding side wall and an open end defining a recess for receiving a cushioning element and wear element, the cushioning element comprising: a cushion body of elastomeric material sized for location within a recess formed in a mounting element of a mill liner assembly, said cushion body having a continuous side section and opposed end walls, one of said opposed end walls being structured for positioning within a recess of a mounting element of a mill liner assembly having recesses formed therein; and a plurality of cavities formed within the cushion body and extending from at least one of said opposed end walls towards the other opposed end wall, and wherein at least some of the plurality of cavities extend through the cushioning body between from one opposed end wall to the other opposed end wall, said plurality of cavities defining a plurality of voids that are deformable to provide lateral displacement of the cushioning element under force of impact applied to an end wall of said cushion body.