Simplified process for the production of carbon motor brushes

Details Simplified process for the production of carbon motor brushes Simplified process for the production of carbon motor brushes

1994-05-31

1995-08-15

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

Conductive carbon containing

C04B 3500

Patent

active

054416833

ABSTRACT:
A process for producing a brush for an electric motor having predetermined final dimensions and including a wearing block and a connecting braid. The brush is produced by preparing at least one mixture including a conductive graphite powder in the form of solid particles of a mean thickness less than 25 .mu.m and a mean shape factor greater than 5, encased with a distillation binder. The mixture is molded together with the connecting braid in a mold to form a crude brush of the final dimensions and the crude brush is baked.

REFERENCES:
patent: 2066176 (1936-12-01), Girvin et al.
patent: 2823147 (1958-02-01), Ward, Jr.
patent: 2855630 (1958-10-01), Veley
patent: 3510710 (1970-05-01), McCafferty
patent: 3601645 (1971-08-01), Whiteheart

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