B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 44/18 (2006.01) B60R 13/08 (2006.01) B62D 25/04 (2006.01) B62D 29/00 (2006.01)
Patent
CA 2482168
The present invention is an article comprising a shaped rigid foam part 810); a heat activated foamable adhesive (30) applied directly to at least a portion of the outer surface of the shaped foam part and an integral locating means (40). A second aspect of the invention is a method of forming a foam filled vehicle hollow member comprising, (a) inserting into a vehicular hollow member (5) a rigid foam part 10) comprised of a rigid foam (10) having a heat activated foamable adhesive (30) on at least a portion of the rigid foam insert and at least one integral locating means (40) extending from a surface of the rigid foam, (b) engaging the locating means (40) with the hollow member (5) to locate the rigid foam part (10) within the hollow member, and (c) heating the hollow member having the rigid foam part therein to a temperature and for a time sufficient to activate the heat activated expandable adhesive (30) to form the foam filled vehicle hollow member.
L'invention concerne un article comprenant une partie façonnée en mousse rigide (10); un adhésif expansible thermiquement activé (30) appliqué directement sur au moins une partie de la surface externe de la partie façonnée en mousse et un moyen solidaire de repérage (40). Un second aspect de l'invention consiste en un procédé destiné à façonner un élément creux de véhicule rempli de mousse (5) consistant: (a) à insérer dans l'élément creux de véhicule (5) une partie à base de mousse rigide (10) possédant un adhésif expansible thermiquement activé (30) sur au moins une partie de l'insert en mousse rigide et au moins un moyen solidaire de repérage (40) s'étendant à partir d'une surface de la mousse rigide, (b) à coupler l'élément de repérage (40) à l'élément creux (5) en vue de repérer la partie en mousse rigide (10) dans l'élément creux (5) et (c) à chauffer l'élément creux (5) renfermant la partie en mousse rigide (10) à une température et durant un temps suffisant à activer l'adhésif expansible thermiquement activé (30) en vue de former l'élément creux de véhicule rempli de mousse.
Allen Mark P.
Billotto Frank V.
Brewster Christopher A.
Mcleod David G.
Said Kousay
Dow Global Technologies Inc.
Smart & Biggar
LandOfFree
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