Manufacturing method for multi-color extruded acrylic...

Details Manufacturing method for multi-color extruded acrylic... Manufacturing method for multi-color extruded acrylic...

2011-01-11

2011-01-11

Wilson, Lee D (Department: 3727)

Brush, broom, and mop making

Processes

C015S143100, C264S173170

Reexamination Certificate

active

07866758

ABSTRACT:
Provided is a method for manufacturing a multi-colored acrylic cosmetic brush handle comprising supplying two or more differently colored resins to an extrusion/injection machine, providing the machine with an open multi-chamber tool, extruding the two or more resins through the tool by multiple injection nozzles to form a multi-colored rod, cutting the rod to a desired length; and polishing the outer surface of the rod; and the multi-color cosmetic brush handle produced thereby. Also provided is a method of producing a cosmetic brush including the cosmetic brush handle of the present invention, and the multi-color cosmetic brush produced thereby.

REFERENCES:
patent: 4937141 (1990-06-01), Burns
patent: 5151229 (1992-09-01), Burns
patent: 6254712 (2001-07-01), Enlow et al.
patent: 6547912 (2003-04-01), Enlow et al.
patent: 7297171 (2007-11-01), Rosenflanz
patent: 2005/0050662 (2005-03-01), Williams
patent: 2006/0017314 (2006-01-01), Jang
patent: 2007/0234496 (2007-10-01), Roberts et al.

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