Direct forming method of collecting long wool fibers

Details Direct forming method of collecting long wool fibers Direct forming method of collecting long wool fibers

D - Textiles, Paper

04

H

D04H 1/74 (2006.01)

Patent

CA 2189346

A method for collecting long glass fibers produces substantial lattice uniformity, eliminates the need for binder, and results in a generally rectangular wool pack which displays significant compressibility and recovery desired for commercial products. Generally spiral flow of fibers in the veil is captured on collecting conveyors and conveyed through direct forming apparatus with generally minimal disturbance of the spiral relationship between glass fibers. Further, a system is disclosed for producing wool insulation products of long glass fibers in accordance with the method. The principles and practices of the method and system may further be employed with short fibers to produce a wool pack of generally oriented short fibers.

L'invention concerne un procédé pour recueillir des fibres de verre longues, et produire, avec une grande homogénéité réticulaire et sans liant, un ballot de laine rectangulaire présentant une grande compressibilité et la recouvrance nécessaire pour sa commercialisation. Le flux en spirale de fibres dans le voile est récupéré sur des transporteurs collecteurs qui les acheminent à travers un appareil de mise en forme, cette opération se faisant avec une perturbation minimale de relation spiroïdale entre les fibres de verre. En outre, on décrit un système permettant de fabriquer des articles isolants à base de laine de fibres de verre longues faisant appel au procédé en question. On peut, en outre, utiliser le procédé et le système avec des fibres courtes, pour produire un ballot de laine constitué de fibres courtes généralement orientées.

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