B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/18 (2006.01) B29C 44/24 (2006.01) B29C 47/02 (2006.01) B29C 47/28 (2006.01) B29D 7/00 (2006.01) B32B 1/08 (2006.01) B32B 3/12 (2006.01) B32B 27/08 (2006.01)
Patent
CA 2290416
By employing a unique manufacturing process, unique manufacturing equipment, or a unique combination of materials, a fully integrated, multilayer foamed thermoplastic or elastomeric member or profile (20) having a core member (21) peripherally surrounded by an outer protective layer (22) is attained which is virtually incapable of being removed from the core member. By effectively melting the adjacent surfaces of the foamed layers being interengaged, a core member having any desired cross-sectional shape is produced and is peripherally surrounded with an outer layer integrally bonded thereto. In one aspect of the present invention, metallocene catalyzed plastic material is employed in forming the core member to impart desirable physical attributes thereto.
En utilisant un procédé de fabrication particulier, un équipement de fabrication particulier ou une combinaison particulière de matériaux, on peut produire un élément ou un profil élastomère ou thermoplastique cellulaire (20), entièrement monobloc, doté d'un noyau (21) entouré d'une couche de protection extérieure (22) qu'il est pratiquement impossible d'enlever du noyau. En faisant fondre efficacement les surfaces adjacentes des couches cellulaires imbriquées les unes dans les autres, on produit un noyau dont la section présente la forme voulue, ledit noyau étant entouré d'une couche extérieure intégralement agglomérée à celui-ci. Selon un aspect de l'invention, on utilise une matière plastique catalysée par métallocène pour former le noyau et lui donner les caractéristiques physiques voulues.
Allman Michael W.
Lauer Eduardo
Laughner Michael P.
Macrae & Co.
Nomaco Inc.
LandOfFree
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