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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01H—SPINNING OR TWISTING
D01H13/00—Other common constructional features, details or accessories
D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
D01H13/1658—Associated actuators with mutual actuation, e.g. for two or more running yarns
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FR470609D1914-04-071914-04-07
Thread guards for spinning machines, doubling machines and twisting machines
ExpiredFR470609A
(en)
Improvements to the bobbin-lifting mechanism for spinning, doubling, twisting machines and other similar machines used for the manufacture of yarns of fibrous substances