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:
Nov. 11, 2008
Filed:
Nov. 27, 2002
Markus Hamulski, Gronau-Epe, DE;
Andreas Hagemann, Dülmen, DE;
Matthias Perick, Ahaus-Alstätte, DE;
Nordenia Deutschland Gronau, GmbH, Gronau, DE;
Abstract
A monoaxially elastic laminate film is provided with a core layer made of a thermoplastic elastomer and at least one skin layer co-extruded together with the core layer. The skin layer is made of a thermoplastic plastic with a molecular lattice that becomes brittle when it solidifies, so that the plastic stretches only slightly when a stretching force is applied, and breaks without any transition when a pre-determined tear force has been exceeded. After becoming brittle, the molecular lattice is irreversibly broken up by monoaxial stretching in the stretching direction, but is maintained perpendicular to the stretching direction, and thereby reinforces the film in the crosswise direction.