Apparatus for manufacturing a slide fastener stringer having...

Details Apparatus for manufacturing a slide fastener stringer having... Apparatus for manufacturing a slide fastener stringer having...

B - Operations, Transporting

21

F

26/168

B21F 45/00 (2006.01) A44B 19/54 (2006.01)

Patent

CA 1119789

ABSTRACT OF THE DISCLOSURE An apparatus for manufacturing a slide fastener stringer having a woven stringer tape and a coiled coupling element woven therein, includes a needle loom for weaving the stringer tape of warp and weft threads, a mandrel for extending at an angle to the warp threads, and a rotor assembly to be located alongside of the warp threads for winding a monofilament around the mandrel in a circular path to form the coiled coupling element, which is then woven into the stringer tape by the weft thread. A means on the rotor assembly guides the monofilament to revolve in a substantially conical orbital path around the mandrel, which is eccentric with the circular path and is located closer to the warp threads than the rotor assembly is, so that the monofilament is kept under substantial- ly uniform tension while revolving in the substantially conical orbital path.

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