B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 17/04 (2006.01) B32B 27/32 (2006.01) B60R 13/02 (2006.01) B32B 31/26 (2000.01)
Patent
CA 2384053
A chopped fiberglass containing laminate for fabricating sound absorbing moldable structures, such as an automotive headliner is provided. The laminate includes a nonwoven fine denier thermoplastic fiber scrim, a thermoplastic barrier film on one surface and a layer of chopped fiberglass and powder adhesive on the exposed surface of the barrier film. The laminate is combined with a foam core, fiberglass layer and decorative fabric on the fiberglass layer to provide a composite having elongation exceeding 30 % in both machine and transverse directions for forming the headliner. An apparatus and method for forming the laminate are so disclosed.
L'invention concerne de la fibre de verre coupée contenant un stratifié, servant à fabriquer des structures modulables absorbant le son, telles que des garnitures de pavillons automobiles. Le stratifié comprend un canevas en fibre thermoplastique à denier fin non tissé, un film barrière thermoplastique sur une surface, ainsi qu'une couche de fibre de verre coupée et de colle en poudre sur la surface exposée du film barrière. Le stratifié comprend également une couche centrale de mousse, une couche de fibre de verre, et une toile décorative sur la couche de fibre de verre, le tout formant un composite ayant un allongement dépassant 30 % en sens machine et en sens travers servant à former la garniture de pavillon. Un dispositif et un procédé servant à fabriquer le stratifié sont décrits.
Albert Michael P.
Grace Frank C.
North John M.
Borden Ladner Gervais Llp
Harodite Industries Inc.
LandOfFree
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