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US 2008/0156226 A1Published application
Non-asbestos friction material
AssigneeAkebono Brake Industry Co., Ltd.
InventorsTakuya KITAMI, Hiroshi Isobe
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Abstract
A non-asbestos friction material not containing a heavy metal and a heavy metallic compound as the blending ingredients of the friction material is provided with graphite and coke in total from 5 to 25 vol % in volume of friction material. A volume ratio of the graphite/coke is preferably from 2/1 to 7/1. An average particle size of the coke is preferably from 150 to 400 μm.
Claims8
A non-asbestos friction material not containing a heavy metal and a heavy metallic compound in blending ingredients, the friction material comprising:
- graphite and coke in total from 5 to 25 vol % in the friction material.
Dependencies are inferred from the claim text.