Manufacturing a laminated pack of mineral fibers

Details Manufacturing a laminated pack of mineral fibers Manufacturing a laminated pack of mineral fibers

B - Operations, Transporting

32

B

28/12, 154/75

B32B 17/02 (2006.01) D04H 1/00 (2006.01)

Patent

CA 1213505

ABSTRACT OF THE DISCLOSURE A method for producing a laminated pack of mineral fibers comprises two sections, each having a forming conveyor, a plurality of sources of mineral fibers positioned to successively deposit the fibers onto the forming conveyor to form a layer of fibers, a vacuum plenum to provide suction to the fibers through the forming conveyor, the suction being sufficient to force substantially all of the fibers down onto the forming conveyor, thereby crushing the bottom portion of the layer and forming a bottom surface which is smooth relative to the top surface, and rolls for joining the top surfaces of the layer formed in each section by diverting each layer downwardly while maintaining the suction on the layers to produce a laminated pack having as its outer surfaces the bottom surfaces of each of the two layers.

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