Process and device for obtaining a spun yarn of fibres comprising an internal core and novel types of spun yarns thus made
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United States of America Patent
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Dec 25, 1984
Grant Date -
N/A
app pub date -
Jan 17, 1983
filing date -
Jan 26, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process and device for making a spun yarn of fibres comprising an internal core which consists in subjecting the yarn to form the core to a momentary false twist by means of a spindle and projecting elementary fibres onto this yarn. Such elementary fibres are projected by means of a mobile guide surface on which the fibres are delivered tangentially, the core likewise being displaced tangentially with respect to the guide surface in a direction concurrent with the direction of delivery of the fibres.
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