Product packaging panels of expanded polystyrene used to be a problem: right after wrapping the film round the product the heat in the shrink tunnel would result in the top of the panels to wrinkle. Mac Expected discovered that packaging with two-reel devices required much more warmth for shrink wrapping when compared with product packaging with devices having a tie up-formed wrapping system. Mac Expected had taken on the obstacle and was the very first business to design a machine with tie up-shaped wrapping system large enough to package sections.
An additional interesting option is the usage of ?°Leister?± units instead of shrink tunnel. In circumstances in which ?°extreme?± diminishing had not been required, shrinking the film around the sides from the package with the use of these effective commercial blow dryers was considered adequate. Throughout the diminishing process the heated air contained in the package would create air pockets, stopping the film from getting into contact with the polystyrene until the film was cooled.
Contending manufacturers constructed tie-formed wrapping systems for panels, nevertheless the ?°ties?± had been so big that they encountered problems with the sliding of the film. These businesses used rollers to assist the placement of the sections into the ?°tie?± but this resulted in the disbanding of the stacks of items with some light-weight panels. MacDue met the problem by substituting the rollers with a mechanical pusher installed below. The solution guaranteed insertion into the tie-formed wrapping system without disbanding the bundle, and permitted the machine to deal with shorter items.
In 2005, Macintosh Due trademarked a new Center-foldable unit, to install in machines with tie-shaped wrapping systems. It was in response to issues in operating a really weighty centre-folded film reel in these big devices. Mac Due developed a cutting-edge solution that empowered the usage of two reels of easy film, leading to facilitated reel handling, doubling of the machine?ˉs autonomy, and easier publishing on film.