Method and apparatus for forming composite material and...

Details Method and apparatus for forming composite material and... Method and apparatus for forming composite material and...

2005-09-06

2005-09-06

Theisen, Mary Lynn (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

C524S009000, C524S013000, C264S288800, C264S291000

Reexamination Certificate

active

06939496

ABSTRACT:
A system and method for extruding composite material and the composite material therefrom. The composite material consists of a filler mixed with a binding agent. The composite material is extruded as billets with enhanced physical properties, such as color, texture, electrical conductivity and fire retardancy, and contains a dispersion pattern of the filler material. A system and method are also provided for drawing the composite material through a die and a composite material produced thereby. The drawn composite material exhibits a density reduction over the density of the starting material and enhanced physical properties. A particularly useful tongue and groove arrangement are also provided for joining adjacent strips of a composite material made according to the extrusion process.

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International Preliminary Examination Report dated Aug. 2, 2002.
International Search Report Nov. 5, 2001.

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