| 摘要 |
PCT No. PCT/JP89/00489 Sec. 371 Date Jan. 11, 1990 Sec. 102(e) Date Jan. 11, 1990 PCT Filed May 12, 1989 PCT Pub. No. WO89/12181 PCT Pub. Date Dec. 14, 1989.A clutch facing (1) having an annular friction material (3) and reinforcing plate (4) integrally connected to the friction material (3) characterized by that the reinforcing plate (4) having substantially the same shrinkage as the friction material has, an annular rib (6) concentrically formed on the connecting surface (5) of the reinforcing plate (4), and radial ribs (7) formed on the connecting surface (5) and crossing the annular rib (6).
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