Device for forming core/wrap yarn

Details Device for forming core/wrap yarn Device for forming core/wrap yarn

1994-02-14

1996-07-02

Mansen, Michael R.

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57279, 57352, 19244, 19288, D02G 336, D01H 100, D01H 142

Patent

active

055310630

ABSTRACT:
A device for forming core/wrap yarn is provided in which a core strand and one or more wrap strands are passed from the nip of a pair of rollers to a stationary support surface which is outwardly, downwardly curved and which includes an open channel therein; wherein the core strand is passed through the channel from the nip and the wrap rovings are passed from the nip to converge upon and wrap around the core strand in the channel to form wrapped yarn; wherein the support surface may be moved from its operative position to a second position to allow a second mode of operation absent the support surface and wherein the support surface is tapered from the outer edges toward the channel.

REFERENCES:
patent: 1586605 (1926-06-01), Butler
patent: 2795925 (1957-06-01), Parker et al.
patent: 3350867 (1967-11-01), Morrison et al.
patent: 3599416 (1971-08-01), Reuter et al.
patent: 4584830 (1986-04-01), Faure et al.
patent: 4922701 (1990-05-01), Sawhney et al.
patent: 4976096 (1990-12-01), Sawhney et al.
patent: 5048157 (1991-09-01), Wehrli
patent: 5119996 (1992-06-01), Stahlecker

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