Mechanism for the production of a wrapped yarn

Details Mechanism for the production of a wrapped yarn Mechanism for the production of a wrapped yarn

1980-01-21

1982-06-29

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57352, 57354, D02G 336, D01H 718, D01H 1100

Patent

active

043366830

ABSTRACT:
A mechanism for the production of wrapped yarn which consists of a bundle of spun fibers wrapped around a binding thread. A hollow spindle 5 is supported between a pair of delivery rolls 1, 2 and a pair of draw-off rolls 3, 4. A rotating binding thread bobbin 7 is arranged coaxially with the hollow spindle 5 and is enclosed by a housing 8. An air flow which can be generated in the housing and/or introduced into the housing causes the pressure within the housing to be built up so as to prevent fibers and the like from entering an exit hole carried in a cover 80 provided on the housing.

REFERENCES:
patent: 3060673 (1962-10-01), Anderson et al.
patent: 3412545 (1968-11-01), Lippuner
patent: 3857228 (1974-12-01), Nakahara et al.
patent: 4018042 (1977-04-01), Maag et al.
patent: 4129979 (1978-12-01), Hamel
patent: 4170101 (1979-10-01), Bock
patent: 4226077 (1980-10-01), Hilbert

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