Chain-driven comb head for slivers of textile fibres, particular

Textiles: fiber preparation – Working – Combing

Patent

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Details

19129A, D01G 1922

Patent

active

045547092

ABSTRACT:
In a chain-driven comb head for drawing frames, of the type including means for directing compressed air jets at the combs, these means comprise ducts for supplying compressed air to each needle field defined by the combs and slots for generating, from the supplied air, at least one flat jet of compressed air directed outwardly in a predetermined direction which does not intersect the zone of treatment of the sliver between the combs. During movement of the combs, the flat jet of compressed air flows successively over the surfaces of the combs to clean them. The needle-carrying bars making up the combs are rotatably mounted about their axes and have one end out of alignment, the head structure including at least two tracks engaged by the non-aligned ends and shaped so as to cause the combs to orient themselves in a predetermined direction when they pass in front of the flat jet.

REFERENCES:
patent: 4398319 (1983-08-01), Viaggi
German Publication No. 3326677; Published 4-1984, Class 19, Sub. 215.

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