Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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J & T Boyd Ltd
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J & T Boyd Ltd
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Publication date
Application filed by J & T Boyd LtdfiledCriticalJ & T Boyd Ltd
Application grantedgrantedCritical
Publication of FR489305ApublicationCriticalpatent/FR489305A/fr
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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Textile Engineering
(AREA)
Filamentary Materials, Packages, And Safety Devices Therefor
(AREA)
FR489305A1917-03-161918-03-16Perfectionnements apportés aux machines à retordre et à doubler
ExpiredFR489305A
(fr)