Process for treating pile materials made into electrophotographi

Details Process for treating pile materials made into electrophotographi Process for treating pile materials made into electrophotographi

1975-10-23

1977-06-28

Custer, Jr., Granville Y.

Brush, broom, and mop making

Processes

A46D 1900

Patent

active

040321967

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 subjecting the pile substrate material to a water medium, withdrawing excess moisture by mechanical means and simultaneously orienting the pile, preferably allowing the wet material to dry at ambient or elevated temperature, forming an elongated pile-covered tubular structure with the resulting dried pile material, sizing the structure to desired lengths if necessary, subjecting the dried pile material to a further aqueous treatment, 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 superior toner removal properties.

REFERENCES:
patent: 2447241 (1948-08-01), Englund
patent: 2789075 (1957-04-01), Stahl
patent: 2806803 (1957-09-01), Thackara et al.
patent: 3295893 (1967-01-01), Adams
patent: 3610693 (1971-10-01), Solarek

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