B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 44/30 (2006.01)
Patent
CA 2628378
A foam extrusion process using multiple independent restraining elements (50) by extruding a foamable composition from a die to form an expanding polymeric foam and then contact a surface of the foam with multiple independent restraining elements, each having a width less than the width of the expanding foam.
L'invention concerne un processus d'extrusion de mousse utilisant des éléments de retenue indépendants multiples (50) consistant à extruder une composition expansible à partir d'une filière pour former une mousse polymérique d'expansion et ensuite à mettre en contact une surface de la mousse avec des éléments de retenue indépendants multiples, ayant chacun une largeur inférieure à la largeur de la mousse d~expansion.
Malone Bruce A.
Tusim Martin H.
Dow Global Technologies Inc.
Smart & Biggar
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