摘要 |
PROBLEM TO BE SOLVED: To sharply improve loading capacity of a driving friction disc and a transmitting friction disc. SOLUTION: In a clutch utilizing friction between an internal combustion engine and a change gear, especially a multiple disc clutch, built in an automobile or a vehicle belonging to a high output category and having driving friction discs and transmitting friction discs, at least the driving friction discs (4, 5, 6) are made of a material containing a high abrasion strength and rotation number strength.
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