| 摘要 |
An apparatus for automatically and continuously supplying retractable spouts for cardboard boxes, which includes first and second storing devices for storing first and second spout webs and for continuously supplying said first and second spout webs from which spout elements are formed and cut and also includes feeding means for feeding said first spout web coming from said first storing device as well as end of web sensing means which actuate auxiliary feeding means for taking up the second spout web coming from the second storing device and also including a shaft supporting a first cam for operating the feeding means and the auxiliary feeding means and also including a second cam for operating a punch element for forming and shaping said spout elements, the feeding means including levers pivoted, at a respective middle portion thereof, to a support element and having an end portion thereof coupled to supports associated with the first cam wherein the web sensing means are arranged at said punch element.
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