Patent ID: 7740928
Filing Date: 2010-06-22
Classification: C09J,Y10T

Abstract:
1. A non-tear stretch wrap for applying to a border of a circular opening consisting of: a film having a top surface, a bottom surface, a circular outer border and a circular inner border, the circular inner border forming an opening in a center of the film; at least three groups of slits being separated by a solid surface, each group of slits having two or more rows of slits being located adjacent to each other, each row of slits including three or more slits, each row extending from the outer border to the inner border, each slit extending from the top surface to the bottom surface; an adhesive layer attached to the bottom surface of the film; and a release film adhered to the adhesive layer, the release film protecting the adhesive layer before usage, wherein, when the stretch wrap is applied to the circular opening, the stretch wrap conforms along the border of the circular opening in such a way that the slits closer to the inner border stretch at different ratios than the slits near the outer border.