US Patent 8053056 Stretch film and method for producing a stretch film

A stretch film for the packing of goods, particularly for the packing of goods stacked on a pallet, comprises a prestretched main film (10). The main film (10) is reinforced by reinforcement strips (12) extending in the longitudinal direction. The reinforcement strips (12) are made from film strips of prestretched film which have been folded a plurality of times in the longitudinal direction. Between two adjacent reinforcement strips (12), the main film (10) can comprise two mutually staggered rows of holes (16,18). This stretch film with perforations (14) is particularly useful for the packing of food items.