Pack For Adhesive Sheets
Patent #: 6,986,923
Inventor(s): Andreas Junghans, Achim Franck, Bernd Lühmann, Andreas Wieck and Thorsten Krawinkel
Company: Tesa AG
Patented is a combination comprising at least one adhesive sheet with a top adhesive face, a bottom adhesive face and four sides. The article also features a UV-impermeable material applied to at least both of the faces or entirely enclosing at least one adhesive sheet. At least one of the top and bottom adhesive faces comprises a pressure sensitive adhesive composition based on an elastomer resin. At least one adhesive sheet can be released from a substrate to which it has been adhered by stretching at least one adhesive sheet in the direction of the bond formed between at least one adhesive sheet and the substrate. The UV-impermeable material has a transmission for electromagnetic radiation in the wavelength range of 240–320 nm and is below 2%. At least one UV-impermeable transparent release liner sheet is applied to and covers at least the top adhesive face and the bottom adhesive face over their entire adhesive areas. A UV-impermeable individual adhesive sheet package comprising a transparent package of UV-impermeable material may completely enclose one of the adhesive sheets in UV-impermeable material. A UV-impermeable outer transparent package comprising an outer package of UV-impermeable material may completely enclose at least one of the adhesive sheets in UV-impermeable material. The outer package further comprises at least one transparent packing element.
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