Process and apparatus to crimp fibres

Details Process and apparatus to crimp fibres Process and apparatus to crimp fibres

D - Textiles, Paper

04

H

28/38

D04H 3/02 (2006.01) D04H 13/00 (2006.01)

Patent

CA 1340752

A method for producing a fibrous material product by advancing a mat of glass fibers arranged in laminations extending at least substantially parallel to opposite major surfaces of the mat along a gap extending between successive driven conveyors which engage the opposite major surfaces of the mat to control the advance of the mat along the gap, and driving the conveyors at progressively slower speeds along the gap so that the laminations area deformed in at least two separate stages into a reorientation in which at least a portion of the laminations extend across the thickness of the mat. The resulting product has an improved compression strength.

535452

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