Diecut, in particular for permanently closing holes

US10946629B2 · kind B2 · utility

Assignee

• tesa SE · DE

Inventors

• Katja MEYER · Hamburg, DE
• Matthias Seibert · Hamburg, DE

Key dates

• Filing date: May 16, 2019
• Grant date: Mar 16, 2021
• Expiry date: May 16, 2039

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31909
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Diecuts are configured for permanent closing of holes and have a carrier comprising an assembly of at least two polymeric films. An upper film of the at least two polymeric films has a basis weight of at least 1.0 kg/m2 and a lower film of the at least two polymeric films consisting of at least two layers, wherein a first layer is in the form of a polymeric film and faces the upper film, and a second layer is in the form of a functional layer with a side of the lower film, facing away from the upper film, bears an applied adhesive composition.