Patent ID: 6722111
Filing Date: 2004-04-20
Classification: B65B

Abstract:
Ring member (10) of reinforced plastic construction for a wrapping machine, said ring member being of a mainly ring-shaped form and rotatable, characterized inthat the ring member (10) of reinforced plastic construction for a wrapping machine comprises, in cross section a box-shaped portion (15) having a plurality of reinforcing fibre layers laminated in different directions upon a core part (17) of cellular plastic material, that the box-shaped portion (15) of the ring member (10) is provided with a reinforcement (18) laminated inside the reinforced plastic layers in the box-shaped portion, said reinforcement made of steel, and that the reinforcement (18) is a ring of the same form with the ring member (10) or its length only equals part of the length of the ring member; means on said ring for connecting a plastic film roll of said wrapping machine to said ring.