Sometimes referred to as bundle strappers, strapping machines are used to hold items together for shipping. These items may be anything from lumber to pipes to heavy boxes or cartons. Strapping machines can be automatic or semi-automatic.
References
www.dotcalm-industrial-tools.com/index.htm
www.liftmagnets.com
www.boyce.com/rotationalmolding.htm
www.palletwrap.net/packagingtypes.htm