Method of producing wet friction material and wet frictional mat

Details Method of producing wet friction material and wet frictional mat Method of producing wet friction material and wet frictional mat

1997-07-21

2000-05-09

Yoon, Tae

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523149, 523153, 523157, 427288, C08J 514, B05D 500

Patent

active

060605367

ABSTRACT:
In a method of producing a wet friction material according to the present invention, a water soluble material is dispersed into a raw paper including a fibrous base material, a filler, and a friction adjusting agent. Then, the raw paper is passed through water to dissolve the water soluble material to provide porosity. Thereafter, the raw paper is immersed with thermosetting resin, and heated and hardened to thereby produce a wet friction material.

REFERENCES:
patent: 5083650 (1992-01-01), Seiz et al.
patent: 5268398 (1993-12-01), Nakagawa et al.
patent: 5292780 (1994-03-01), Godfrey et al.
patent: 5395864 (1995-03-01), Miyoshi et al.
patent: 5453317 (1995-09-01), Yesnik

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