Penetration-obstructing article

US7905256B2 · kind B2 · utility

Assignee

• TEIJIN ARAMID GMBH · DE

Inventors

• Rudiger Hartert · Wuppertal, DE
• Christian Bottger · Remscheid, DE

Key dates

• Filing date: May 11, 2009
• Grant date: Mar 15, 2011
• Expiry date: Sep 17, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/3179
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A penetration-obstructing article comprising a multiplicity of fabric layers of fibers having elongation at break of less than 8%, measured according to EN 12562, wherein there are at least two groups of fibers in at least one single fabric layer, wherein the regions of a first group have a first fabric density DG1 according to Walz of from 8% to 80% and wherein the regions of a second group have a second fabric density according to Walz of from 8% to 80% and wherein the difference between DG1 and DG2 is at least 3%.