Patent ID: 6471807
Filing Date: 2002-10-29
Classification: F16D

Abstract:
A process for producing a dry clutch facing formed of a facing element and a reinforcing element, which is bonded to a back of said facing element and for contact with a cushion spring, comprising the steps of:forming an annular preform for said facing element through a step of winding a continuous fiber material including a rubber, an uncured thermosetting resin and a friction improving agent into a volute shape; forming an annular preform for said reinforcing element through a step of heating, under a pressure, an annular accumulated material which includes a reinforcing short fiber and a resin powder of an uncured thermosetting resin, said reinforcing short fiber being dispersed uniformly and at random in the entire resin powder; superposing both said annular preforms one on another and heating the annular preforms under a pressure, thereby producing a facing element and a reinforcing element and at the same time, bonding both said facing and reinforcing elements to each other; and forming said reinforcing element slightly smaller than said facing element, and, through said bonding, covering inner and outer peripheral surfaces of said reinforcing element with a filling comprising the rubber, the thermosetting resin and the friction improving agent of said facing element.