Patent ID: 7168544
Filing Date: 2007-01-30
Classification: F16D

Abstract:
1. A friction material facing comprising: a material facing having a first edge, a second edge, a first surface and a second surface; a plurality of spaced first channels extending from said first edge toward said second edge a predetermined distance; at least one of said plurality of spaced first channels in fluid communication with said first edge and extending between said first surface and said second surface through said material facing a first predetermined depth; and said material facing further comprising a second channel in fluid communication with said second edge in fluid communication with said at least one of said plurality of spaced first channels, said second channel defining a predetermined second channel area extending between said first surface and said second surface a second predetermined depth, said second channel enabling fluid communication between a first area associated with a first side and a second area associated with a second side; wherein said second predetermined depth is smaller than said first predetermined depth, said first predetermined depth extending one hundred percent of a distance between said first and second surfaces; at least one of said second channel or said at least one of said plurality of spaced first channels generally radially extending between said first edge and said second edge.