Method and apparatus for determining the quantity of material tr

Details Method and apparatus for determining the quantity of material tr Method and apparatus for determining the quantity of material tr

1991-03-06

1993-03-16

Rosenberger, Richard A.

Optics: measuring and testing

Thread counting

19 023, 356429, D01G 1546

Patent

active

051949113

ABSTRACT:
A fibre band or sliver is passed through a defined opening of a measuring station. Said opening has a cross section smaller than the diameter of the fibre band, so that the band contacts the walls of said opening which thereby defines a measuring cross section. The fibre band while passing said opening is transilluminated by at least one light source. The transmitted light intensity is measured by a light receiver and is detected as a measure for the quantity of the fibre material present in said cross section.

REFERENCES:
patent: 3496366 (1970-02-01), Hunziker et al.
patent: 3684378 (1972-08-01), Lord
patent: 4962569 (1990-10-01), Hosel

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