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Article: German, Swiss Inventors Develop Perforated Thermoplastic Lamination
- Article from:
- US Fed News Service, Including US State News
- Article date:
- August 9, 2008
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ALEXANDRIA, Va., Aug. 9 -- Mathias Muth of Wiesbaden, Germany, Henning Roettger of Braunschweig, Germany, and Joachim Bauer of Seuzach, Switzerland, have developed a perforated thermoplastic structure.
According to the U.S. Patent & Trademark Office: "The present invention relates to a perforated thermoplastic structure comprising at least a first layer and a plurality of perforations, which extend through the first layer. The perforations have a three-dimensional, preferably approximately conical or cylindrical shape. A second layer forms an inner surface of the shape, whereas the first layer forms an outer surface of the shape. The first layer contains a thermoplastic material, whose ...