Improved detector and detection method for contaminants in textile materials based on an absorption measurement of light
CA 2310153 A1 · Owner: Zeitler, Rudiger · Inventors: Zeitler, Rudiger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A detector and method for detecting contaminants in a measurement object are described, where there is compensation for changes in cross-sectional area of the measurement object. Such methods and detectors are suited to detect foreign fibers in yarn slivers in a spinning, mill. The detector comprises a measurement chamber (31) preferably spherical in , shape with a highly reflecting inner surface. A tube (34) allows an elongate measurement object such as a, sliver to pass through the chamber (31). Absorption of light by the measurement object, and/or any contaminant is measured through a transparent window (33). Light escaping through the ends 35 36 of tube 34 can be compensated by , …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.