Noise abating brake shoe
AssigneeAbex Corporation
InventorsAlan R. Hummel, David L. Swadley
Life of this patent
Estimating the term…
Abstract
A noise abating automotive brake shoe assembly consisting essentially of a mixture of from about 2 to about 30 percent by weight of a discrete, heat-cured, particulate, elastomeric, sound damping material containing cashew nut shell resin, nitrile rubber, resin binder, a fiber selected from a group consisting of metal, glass, mineral rock wool and refractory with the remainder being friction material ingredients.
Claims15
An elastomeric sound damping material incorporated as discrete, heat-cured particles in a brake shoe and consisting essentially of from about 2 to about 15 percent by weight of cured cashew nut shell resin, from about 5 to about 25 percent by weight of a nitrile rubber, from about 8 to about 30 percent by weight of a resin binder, from about 4 to about 20 percent by weight of a fiber selected from a group consisting of metal, glass, mineral, rock wool and refractory and from about 5 to about 18 percent of a substantially carbon material.
Dependencies are inferred from the claim text.