APPARATUS FOR APPLYING FINS TO STATIONARILY HELD PIPES WITHOUT SUBJECTING THE FINS TO VIBRATIONS

摘要

An apparatus for applying fins onto pipes held stationarily on one of the ends thereof. The fins are pushed seriatim onto the pipes from the free opposite ends by means of a plurality of spaced substantially parallel plate-shaped entrainment members moved by endless transporting means, the working runs of which move substantially parallel to the pipes from the free toward and beyond the fastened ends of the latter. Each of the entrainment members is tiltable between a working position extending substantially normal to the pipes and a releasing position. Each of the entrainment members is provided with at least one glide shoe which abuts on a respective one of a plurality of support members attached to and closely arranged along part of an endless chain, the working run of which is moved in a direction opposite to that of the transporting means. The support members are arranged and constructed so that the glide shoe on each entrainment member before leaving one support member engages already the next support member so that the glide shoes on the entrainment members and therewith the latter are not subjected to vibrations while they push the fins onto the pipes, whereby the fins are applied to the pipes in vibration free manner.