device for automatic moving elongated objects by a liquid beschichtungsbad and procedure for coating elongated objects

摘要

Apparatus and method automatically for moving elongated objects into and out of a hot dip galvanizing kettle or the like includes a screw feed conveyor system that continually maintains control over the elongated objects while feeding and removing the objects at a uniform predetermined rate. The screw feed conveyor system includes at least two generally U- shape screws which are rotated about their axes to feed elongated objects horizontally placed thereon at opposed diametrical sides thereof through the galvanizing kettle, said screws, if desired, having flights with selectively varying pitches to tilt the objects for entry into the kettle and drag out from the kettle.