Method for making multi-element brushes

Metal working – Method of mechanical manufacture – Electrical device making

Patent

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Details

H01R 4312

Patent

active

042610990

ABSTRACT:
A method of making electrical brushes from thousands of hair-like fibers comprises wetting the fibers to hold them together in a bundle, placing the bundle in a tube and reducing the opening in the tube to hold the fibers therein.

REFERENCES:
patent: 535173 (1895-03-01), Rudd
patent: 1661844 (1928-03-01), Miller
patent: 2311704 (1943-02-01), Simison
patent: 2386246 (1945-10-01), Mapes
patent: 2716684 (1955-08-01), Barnes
patent: 3540114 (1970-11-01), Roberts et al.
patent: 3571901 (1971-03-01), Sara
patent: 3818588 (1974-06-01), Bates
patent: 3823489 (1974-07-01), Boom

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