Electrophotographic toner removal brush and method of making sam

Details Electrophotographic toner removal brush and method of making sam Electrophotographic toner removal brush and method of making sam

1975-10-23

1977-02-01

Custer, Jr., Granville Y.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

300 21, A46B 300

Patent

active

040055124

ABSTRACT:
A process for treating a pile material which is ultimately to be made into a toner removal brush used in association with electrophotographic printing which comprises treating the pile substrate material with a saturated aqueous solution of a chemical mixture comprising at various times a surfactant, an alkali metal salt, a source of borate ions and an optical dye, withdrawing excess solution by mechanical means and simultaneously orienting the pile, and preferably allowing the still wet material to dry at ambient or elevated temperature, forming an elongated pile-covered tubular structure with the resulting dried pile material, sizing the tube to desired lengths if necessary, subjecting the dried pile material to a further wetting either with water alone or a saturated aqueous solution of the same chemical mixture above defined, and then subjecting the pile-covered tube to a centrifugal force sufficient to hurl the pile fibers to an erect condition thereby forming a brush with uniquely superior toner removal properties, and the brush nap made by this method.

REFERENCES:
patent: 2447241 (1948-08-01), Englund
patent: 3295893 (1967-01-01), Adams
patent: 3610693 (1971-10-01), Solarek

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