Patent ID: 6759093
Filing Date: 2004-07-06
Classification: D21H,F16D

Abstract:
A method for manufacturing a wet friction material obtained by immersing binding agent into a paper body comprised of fiber base material end filler, comprising:a first immersing step of immersing first binding agent, that comprises a phenol resin, into said paper body; a second immersing step of immersing second binding agent, that comprises a silicon resin, into said paper body after said first immersing step; end a heating and curing step of heating and of heating and curing said paper body into which said first and second binding agents were immersed, wherein said friction material has a first layer and a second layer and wherein at said first immersing step and first bonding agent is immersed into said first layer and at said second immersing step said second bonding agent is immersed into said second layer.