The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2013
Filed:
Nov. 23, 2007
Ingo Neubert, Norderstedt, DE;
Bernd Lühmann, Norderstedt, DE;
Ingo Neubert, Norderstedt, DE;
Bernd Lühmann, Norderstedt, DE;
tesa SE, Hamburg, DE;
Abstract
Self-adhesive tape comprising a laminate composed of at least two pressure-sensitive adhesive (PSA) layers A and B laminated directly to one another, one or both of the surfaces to be laminated to one another of the PSA layers A and B having been chemically and/or physically pretreated prior to lamination, and the shear strength tof the self-adhesive tape at 25° C., 40° C. and 70° C. under a weight load of 1000 g being at least 80% of the shear strength tof the PSA layer A and/or of the PSA layer B, where trepresents the shear strength of the PSA layer having the lower shear strength.