| 摘要 |
<p>The invention relates to a device for handling the edge of a ribbon of semi-molten glass moving over a liquid bath in a flotation chamber, including a thumbwheel (1) arranged at a distal end of a lance (8) capable of being rotated around the longitudinal geometric axis thereof; the thumbwheel (1) is pivotably mounted in a plurality of directions relative to the longitudinal geometric axis of the lance (8) and rotatably around the respective axis thereof, which may be different from the longitudinal geometric axis of the lance. The thumbwheel is hinged on a ball joint (4).</p> |
