Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Reexamination Certificate
2006-03-24
2010-10-19
Wyrozebski, Kat (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
C264S130000, C264S211140, C264S203000
Reexamination Certificate
active
07815832
ABSTRACT:
In the manufacture of cellulose ester fibers, a dope is extruded into filaments. Extrusion occurs in an elongated cabinet having an outlet for the filaments. The filaments are taken up after exiting the outlet. The filaments are lubricated at the outlet of the cabinet.
REFERENCES:
patent: 4301101 (1981-11-01), Bachmann et al.
patent: 4632874 (1986-12-01), Smith
patent: 4973236 (1990-11-01), Hasegawa et al.
patent: 6942106 (2005-09-01), Omar et al.
patent: 2005/0202179 (2005-09-01), Voegtli et al.
patent: 2005/0202993 (2005-09-01), Voegtli et al.
patent: 2005/0283958 (2005-12-01), Sanderson et al.
patent: 2004-232124 (2004-08-01), None
Clarkson Heather L.
Corallo Cheryl F.
Diaz Ramiro Montez
Hogan Robina M. C.
Nivins Ronald
Celanese Acetate LLC
Hammer & Associates, P.C.
Liu Xue
Wyrozebski Kat
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