POLYMER FOAM PLANK WITH DENSIFIED SKIN, METHOD AND APPARATUSFOR PRODUCING THE SAME

A method and apparatus for making a densified skin polymer foam plank (12 an d 22) comprising providing a polymer foam having a plurality of cells and heating an outer surface of the foam at a heating station (46 and 48). The heating step collapses and melts the cells adjacent the outer surface to f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZETTEL, DAVID P, FARHA, SAID K, STIMLER, JEFFERY J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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