Polymer foam plank with densified skin, method and apparatus for producing a densified skin on a foam plank

Polymer foam plank with densified skin, method and apparatus for producing a densified skin on a foam plank

A method and apparatus for making a densified skin polymer foam plank comprising providing a polymer foam having a plurality of cells and heating an outer surface of the foam at a heating station. The heating step collapses and melts the cells adjacent the outer surface to form the densified skin ha...

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Hauptverfasser: Stimler, Jeffrey J, Zettel, David P, Farha, Said K
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Sprache:eng
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creator Stimler, Jeffrey J
Zettel, David P
Farha, Said K
description A method and apparatus for making a densified skin polymer foam plank comprising providing a polymer foam having a plurality of cells and heating an outer surface of the foam at a heating station. The heating step collapses and melts the cells adjacent the outer surface to form the densified skin having a density greater than a density of the foam before the heating step. Additionally, the method and apparatus may further include extruding the polymer foam from an extruder.
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title Polymer foam plank with densified skin, method and apparatus for producing a densified skin on a foam plank
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