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:
Dec. 26, 2006
Filed:
Sep. 02, 2003
Christian K. Böttger, Remscheid, DE;
Rüdiger Hartert, Wuppertal, DE;
Kurt R. Stolze, Leichlingen, DE;
Achim G. Fels, Wuppertal, DE;
Christian K. Böttger, Remscheid, DE;
Rüdiger Hartert, Wuppertal, DE;
Kurt R. Stolze, Leichlingen, DE;
Achim G. Fels, Wuppertal, DE;
Teijin Twaron GmbH, Wuppertal, DE;
Abstract
A penetration-resistant material is described to include at least a double layer of woven fabric, wherein the double layer includes a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and composing at least 65% of the first layer fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set is greater than 1:1, and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads having 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and composing at least 65% of the second layer fabric weight, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the second set to that of the first set is greater than 1:1. In the first layer of fabric at least the first set of threads, and in the second layer of fabric at least the second set of threads, are treated with a water-repellant.