Guided stretch-wrap machine

Abstract From the Canadian patent

This invention is directed to a stretch-wrap machine wherein a motive unit carries a stretch-wrap unit around material to be wrapped. One approach to retaining a number of packages on a pallet has been steel banding. Steel bands were placed around the packages and the pallet and the bands tightened and clamped. The problem with steel banding is that loads can be crushed. Furthermore, the steel bands are difficult and dangerous to handle. Shrink wrapping has also been used but requires, special equipment for causing the shrinkage. Further it cannot be, used in cold rooms or other areas where high heat loads are objectionable. Also, it cannot be used over polyethylene wrapped packages because …