B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 11/16 (2006.01) B29C 41/10 (2006.01) B29C 70/30 (2006.01) C03B 37/012 (2006.01) D04H 1/00 (2006.01) F01N 1/24 (2006.01) F16L 59/02 (2006.01)
Patent
CA 2272753
The present invention is directed to a method and apparatus for forming a preform from glass fiber strand material. The preform is formed by feeding continuous glass fiber strand material into a mold to form a continuous wool product in the mold; feeding a binder into the mold; compressing the mold to compact the wool product to a desired density; and heating the mold to cure the binder, such that a preform is formed having generally the shape of the compressed mold. The mold is then opened and the preform is removed from the mold.
La présente invention concerne un procédé et un appareil (100) pour fabriquer une ébauche (10) à partir d'un matériau torsadé en fibre de verre. Pour former l'ébauche, on charge en continu un matériau torsadé en fibre de verre à l'intérieur d'un moule (20) pour y produire un produit lainier continu; on charge un liant dans le moule; on comprime le moule pour tasser le produit lainier à une densité voulue; et on chauffe le moule pour cuire le liant, ce qui donne une ébauche formée ayant généralement la forme du moule comprimé. Le moule est ensuite ouvert pour en extraire l'ébauche.
Knutsson Goran K.
Nilsson Bengt G.
Svensson Lennart
O-C Fiberglas Sweden Ab
Owens-Corning Sweden Ab
Smart & Biggar
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