Abstract: An apparatus invention relates to an apparatus for pulling transverse fins onto a plurality of pipes which are arranged fixed in position alongside of each other by means of carriers the ends of which are operatively supported on respective endless carrier-conveyor chains between a working position engaging the fin plates and a disengagement position releasing the fin plates, the carrier being provided with at least one support foot which holds the carrier in the working position. The support foot is supported on support members of a control device which holds the carriers in the working position on the transport path until release of the transverse fins and releases them for swinging depending on the fin spacing and the transverse fins which have already been pulled-on, the point of release moving in a direction opposite the direction of movement of the carrier conveyor chains.

Abstract: An apparatus for pulling transverse fins onto a plurality of pipes which are arranged fixed in position alongside of each other by means of carriers the two ends of which are swingably supported on respective endless carrier conveyor chains between a work position engaging the fin plates and a disengagement position releasing the fin plates, the carriers being provided with a support foot which holds the carriers in the work position. The support foot is supported on support members of an endless control chain which extend over the respective length of the pull-on region for the transverse fins and are moved by the control chain opposite the direction of movement of the carrier conveyor chains for the displacement of the point of release of the carriers corresponding to the transverse fins which have already been pulled on.