Variable yarn feed device

Details Variable yarn feed device Variable yarn feed device

1975-12-01

1977-03-29

Saifer, Robert W.

Advancing material of indeterminate length

Control means responsive to indicia carried by auxiliary...

226 4, 226111, 226178, 226190, B65H 1720, B65H 1752

Patent

active

040144895

ABSTRACT:
A device for feeding strands such as for further textile processing wherein driving means comprising a pair of nip rolls are continuously and drivingly engaged with the strand extending therebetween, said nip rolls being movably supported between spaced speed-control rolls which are operable at different surface speeds so that selective movement of said nip rolls as a unit against the surface of one or the other of the speed-control rolls serves to drive the nip rolls and thus in turn feed the strand located therebetween at different rates. This device has particular utility in producing air-textured composite yarns, including both core-and-effect and slub-type yarns, but is not limited to such use.

REFERENCES:
patent: 2880684 (1959-04-01), Masland
patent: 2954865 (1960-10-01), Hackney et al.
patent: 3026011 (1962-03-01), Grass
patent: 3805344 (1974-04-01), Bartnicki et al.

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