Thermoplastic siding insulation
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United States of America Patent
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Jan 7, 2014
Grant Date -
Jun 11, 2009
app pub date -
Nov 4, 2008
filing date -
Nov 9, 2007
priority date (Note) -
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Abstract
The present invention discloses an extruder for producing a thermoplastic material having a first and second portion comprising an axially extending barrel and a screw conveyer axially disposed within said barrel so as to define a passage for conveying thermoplastic material from an input through a melt zone to an output. Furthermore the present invention discloses an insulation member comprising an elongated insulation member formed of a thermoplastic insulating material, said insulating member having a top edge, a bottom edge, and first and second side edges; the top edge comprising a protrusion, said top edge extending beyond a corresponding top edge of a corresponding panel of siding; and the bottom edge comprising a ledge, said ledge operable to overlap the protrusion.
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