Method of recognizing and evaluating foreign substances in a pne

Details Method of recognizing and evaluating foreign substances in a pne Method of recognizing and evaluating foreign substances in a pne

1997-07-25

1999-06-29

Kim, Robert H.

Optics: measuring and testing

Inspection of flaws or impurities

Textile inspection

356430, 19 80R, D01B 100, G01N 2188

Patent

active

059175915

ABSTRACT:
A method of processing fiber includes the following steps: removing fiber tufts from a series of fiber bales by a tuft removing device of a bale opener traveling along the bale series; pneumatically conveying the removed fiber tufts in a duct in a direction of conveyance; detecting foreign substances by forming images of the conveyed material by an optical sensor device as the material passes through a location of the duct downstream of the bale opener as viewed in the direction of conveyance; determining the location of each fiber bale in the bale series; determining the degree of lightness, the degree of contamination or the color of the fiber tufts by an image processing device analyzing the generated images; and associating the degree of lightness, the degree of contamination or the color of the fiber tufts with the fiber bale from which the material passing through the duct location originates.

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patent: 5489028 (1996-02-01), Binder
patent: 5761771 (1998-06-01), Leifeld

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