A - Human Necessities – 46 – D
Patent
A - Human Necessities
46
D
300/10
A46D 9/00 (2006.01)
Patent
CA 1089510
PROCESS FOR TREATING PILE MATERIALS MADE INTO ELECTROPHOTOGRAPHIC TONER REMOVAL BRUSHES 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 which resultingly "explodes" the nap, to form a brush with superior toner removal properties.
346226
Gowling Lafleur Henderson Llp
Ikon Technology Corp.
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