Flat-shaped composite material, package sleeve and package with stress-relief panels

US11897671B2 · kind B2 · utility

Assignee

• SIG Technology AG · CH

Inventors

• Norman Gierow · Dressendorf, DE
• Philippe Hauser · Schaffhausen, DE
• Ali Kaylan · Dressendorf, DE
• Thomas Keck · Aachen, DE
• Heike Klein · Düsseldorf, DE
• Stefan Mergel · Mülheim an der Ruhr, DE
• Georg Schulte · Tönisvorst, DE
• Christoph Wirtz · Linnich, DE

Key dates

• Filing date: Oct 21, 2020
• Grant date: Feb 13, 2024
• Expiry date: Jan 14, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D5/746
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A flat-shaped composite material is represented and described for manufacturing a package, including: a polymer outer layer, a polymer inner layer, a fibrous support layer, which is arranged between the polymer outer layer and the polymer inner layer. The flat-shaped composite material has a plurality of fold lines, which are arranged and designed such that a closed package can be manufactured by folding the flat-shaped composite material along the fold lines and by connecting seam surfaces of the flat-shaped composite material and a sleeve surface. The sleeve surface includes a front surface, a first side surface, a second side surface, a first rear surface and a second rear surface, and base surfaces. The base surfaces include triangular base surfaces, quadrangular base surfaces, and gable surfaces. The gable surfaces include triangular gable surfaces and quadrangular gable surfaces. The base surfaces and the gable surfaces are arranged on opposite sides of the sleeve surface. In order to enable the manufacture of packages with even more complex geometries without impairing the rigidity of the package, it is proposed that the sleeve surface has at least one stress-relief surface,…