Tsudakoma Kogyo Kabushiki Kaisha

Masahiro Nagai

Yasuyuki Tamatani

Tatsuo Takehana

A yarn package changing method and an apparatus for carrying out the same, for use in combination with a loom which receives the weft yarn from a yarn package. The yarn package changing method carries out automatic yarn package changing operation through steps of removing an empty bobbin set in a yarn package changing position on a yarn package stand, by a yarn package transporting device, supplying a new yarn package to the yarn package stand by the yarn package transporting device, holding the leading end of the new yarn package at a predetermined position by a leading end positioning device; and setting the new yarn package in a feeding position on the yarn package stand. The apparatus includes a yarn package stand capable of holding a yarn package in a feeding position to feed the weft yarn to an automatic weft yarn threading device, a yarn package transporting device capable of automatically mounting a new yarn package on and removing a used yarn package from the yarn package stand, and a leading in positioning device for holding the leading end of a new yarn package mounted on the yarn package stand at a predetermined position, disposed opposite the automatic weft yarn threading device.

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Kanazawa, Japan

Masahiro Nagai