Patent · US Expired

Apparatus for detecting foreign substance in strand-like textile material

US6175408A · kind A · utility

7Cited by

8References

11Claims

0Family size

Assignee

W. Schlafhorst AG & Co. · DE

Inventors

Herbert Henze · Rheydt, DE
Olav Birlem · Erkelenz, DE

Key dates

Filing date	Dec 22, 1999
Grant date	Jan 16, 2001
Priority date	—
Expiry date	Dec 22, 2019

Classification

Technology area (CPC G)Physics
CPC primaryG01N21/8915
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus detects foreign substances in strand-like textile material, such as slivers or yarn, using a white-light LED. The color detection is effected over more than two color support points whereby the detection of foreign substances in the textile material is improved. The apparatus is preferably operated in combination with a yarn cleaner in spinning or bobbin winding machines.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.