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:
Apr. 16, 2019
Filed:
Jan. 27, 2016
Tetra Laval Holdings & Finance S.a., Pully, CH;
TETRA LAVAL HOLDINGS & FINANCE S.A., Pully, CH;
Abstract
A package material comprises a multilayer material structure with layers of plastic laminate, a penetration area () and two weakening lines () creating an area in between. The package material comprises an opening device with a first () and second () portion attached to respective sides and a material bridge () penetrating the penetration area and connecting the first portion to the second portion. The second portion at least partly covers the penetration area and comprising a rupture section () covering at least partly the two weakening lines. The rupture section comprises one or more rupture recesses (-) disposed over or adjacent to the weakening lines for guiding a rupture of the multilayer material structure along the weakening lines.