Brush roller
The present invention relates to a brush roller for a nozzle, having a brush body and a plurality of bristle bundles extending outwardly from the brush body for cleaning the floor, wherein at least one bristle bundle has an indicative wire with a core wire and a wear-resistant layer; the wear-resist...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a brush roller for a nozzle, having a brush body and a plurality of bristle bundles extending outwardly from the brush body for cleaning the floor, wherein at least one bristle bundle has an indicative wire with a core wire and a wear-resistant layer; the wear-resistant layer covers at least partially the core wire (20) and is designed such that as the brush roller is used continuously, the wear-resistant layer changes color and/or intensity of color to indicate the wear and tear of the brush roller. |
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