INRICHTING VOOR DE VORMING VAN EEN GEWIKKELDE HOUDERZIJWAND.

摘要

Apparatus for wrapping a sidewall blank about a mandrel utilizing two wrapping wings which are rotated about the mandrel axis by respective drive trains, each drive train comprising a shaft positioned coaxially with the mandrel, a lever arm connecting the wrapping wing to the shaft, a slide member positioned in a transversely extending slot in a common reciprocating carriage, and a crank arm secured to the shaft and pivotably connected to the slide member. One of the wiping wings can be provided with an L-shaped blade with one leg of the L-shaped blade extending forwardly in the direction of travel of that wiping wing during the wrapping operation to lead the blade of the other wiping wing.