Method for producing friction materials

Details Method for producing friction materials Method for producing friction materials

1993-10-20

1995-07-18

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

264109, 264119, 264122, B27N 302

Patent

active

054339073

ABSTRACT:
A method of producing friction materials is capable of avoiding the problems in work environment due to the coarse particulates or organic solvents while producing the friction materials. The method includes processes of mixing under dry condition raw materials consisting primarily of thermosetting resin binders, fibrous reinforcing materials and friction modifiers, adding and mixing adhesives consisting of mixture of water and alcohol with the raw mixture so that the raw materials are wet and have viscosity. Afterwards, the wet raw mixture is granulated to form a granule material, dried, and heated-and-pressed to form a final product.

REFERENCES:
patent: 4297307 (1981-10-01), Taylor
patent: 4356137 (1982-10-01), Guzy et al.
patent: 4537823 (1985-08-01), Tsang et al.
patent: 4563386 (1986-01-01), Schwartz
patent: 5190991 (1993-03-01), Parker et al.
patent: 5268398 (1993-12-01), Nakagawa et al.

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