Detecting broken ends in a moving warp of - threads
A device for detecting broken yarns, in a yarn sheet consists of a tube extending across the yarn sheet and pressurised by air to blow air in a direction to blow broken ends across a sensing axis. A narrow beam of light is projected along the sensing axis to be reflected to a photo-sensitive device,...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | A device for detecting broken yarns, in a yarn sheet consists of a tube extending across the yarn sheet and pressurised by air to blow air in a direction to blow broken ends across a sensing axis. A narrow beam of light is projected along the sensing axis to be reflected to a photo-sensitive device, a broken end thus producing an indicating pulse. |
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