| 摘要 |
An apparatus for laterally displacing a moving web without distorting or creasing the web and without need for free lead-in distance beforehand to achieve these results. Key elements in apparatus include two 45° turning bars, one each at entry and exit, which are stationary and laterally-movable, respectively. Position of web is monitored at exit of apparatus by edge sensor(s), and an actuator moves exit turning bar to displace web in direction called for by said sensor(s). |
