Yarn guiding and threading mechanisms for use with textile yarn

Details Yarn guiding and threading mechanisms for use with textile yarn Yarn guiding and threading mechanisms for use with textile yarn

1977-10-26

1978-12-05

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Threading up

57 587, 226 97, 242 356R, 57305, D01H 1500, D01H 110

Patent

active

041279832

ABSTRACT:
Yarn guiding and threading mechanisms for use with textile machines processing yarn, such as during a threading-up operation of the textile machine, are characterized by a construction adapted for receiving a free end of yarn from a first location in the machine, for guiding the yarn from such first location and for conveying the yarn to a desired second location in the machine, as follows. An elongate tube has an air passageway therethrough, a source of suction connected to one end thereof for creating a suction therethrough for receiving at the other end of the yarn from the first location in the textile machine and for guiding the yarn through the tube, and a slot extending from the outside to the passageway along the length thereof and positioned on the side adapted to face the textile machine for subsequent removal of the yarn from the tube. A yarn carrier is movably mounted for movement between a first position for engaging the yarn passing through the tube to a second position at the second location in the textile machine for conveying the yarn from the tube through the slot therein and positioning the yarn at the second location in the textile machine. Preferably, a movable trolley mechanism carries the yarn guiding and threading mechanisms for convenient positioning thereof at a desired location along the textile machine. Preferably, driven delivery rolls are positioned for receipt of the yarn after the free end has passed through the tube for further feeding of the yarn from the first location in the textile machine and into the suction source during movement of the yarn carrier to its second position at a desired speed of travel for acceptance of the yarn by the textile machine at the second location.

REFERENCES:
patent: 3131879 (1964-05-01), Glastra et al.
patent: 3144187 (1964-08-01), Naumann
patent: 3595493 (1971-07-01), Tsukuma et al.
patent: 3599886 (1971-08-01), Koller
patent: 3605396 (1971-09-01), Guignard et al.
patent: 3731478 (1973-05-01), Franzen
patent: 3810352 (1974-05-01), Miyazaki et al.
patent: 3975893 (1976-08-01), Franzen
patent: 3981128 (1976-09-01), Munker
patent: 4026095 (1977-05-01), Kobatake et al.

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