Method for producing plastic rods

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...

Reexamination Certificate

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Reexamination Certificate

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07968027

ABSTRACT:
The invention relates to a method for extruding round rods from transparent plastics such as for example polymethylmethacrylate (PMMA), polycarbonate (PC) or polyethylene (PET) and to a method for producing said round rods.

REFERENCES:
patent: 3229005 (1966-01-01), Reifenhauser
patent: 4288905 (1981-09-01), Kessler
patent: 4943463 (1990-07-01), Back
patent: 6533564 (2003-03-01), Haas et al.
patent: 1 273 706 (1972-05-01), None
patent: 02 092321 (2002-11-01), None
Harper, Charles A. Handbook of Plastics, Elastomers & Composites (4th Edition).. McGraw-Hill. p. 49 Online version available at: http://knovel.com/web/portal/browse/display?—EXT—KNOVEL—DISPLAY—bookid=1627&VerticalID=0.
Office Action Issued Jan. 11, 2011 in Canadian Application No. 2,557,257.

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