| CPC B65G 39/09 (2013.01) [B65G 13/00 (2013.01); B65G 39/04 (2013.01); B65G 39/06 (2013.01); B65G 39/02 (2013.01)] | 20 Claims |

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1. A roller, comprising:
a metal tube extending between a first end and a second end, wherein the metal tube comprises an outer surface and an inner surface;
a first bearing disposed at the first end;
a second bearing disposed at the second end; and
a reinforcement filling in contact with the inner surface of the metal tube, wherein the reinforcement filling is made at least partially of a non-metal material, wherein the reinforcement filling comprises a plurality of corrugated sheets, and wherein at least a first corrugated sheet of the plurality of corrugated sheets is oriented on a horizontal plane, at least a second corrugated sheet of the plurality of corrugated sheets is oriented on a second plane diagonal to the horizontal plane, and at least a third corrugated sheet of the plurality of corrugated sheets is oriented on a third plane diagonal to the second plane and the horizontal plane.
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