| 摘要 |
<p>PCT No. PCT/EP96/04218 Sec. 371 Date Mar. 25, 1998 Sec. 102(e) Date Mar. 25, 1998 PCT Filed Sep. 26, 1996 PCT Pub. No. WO97/12084 PCT Pub. Date Apr. 3, 1997Device to block weft yarn associated with a measuring weft feeder for fluid jet looms. The device is located downstream of the outlet yarn guide and/or of the antiballoon device of the feeder, and comprises a single elongated body which includes: an inlet cone and a cylindrical channel crossed by the weft yarn, the common axis of which is the longitudinal axis of the device; a core to block the yarn, movable into a guide perpendicularly to the axis and adapted to penetrate into the channel through an opening thereof; electromagnetic elements acting on the core against a return spring; and a bush associated to the channel, in correspondence of the opening, to form a contrast surface onto which the core engages in order to block the yarn.</p> |
