Armand de Mestral of Canada in 2007. He is married to Rosalind Pepall, a curator at the Musée de Beaux Arts and they have two sons Philippe and Charles. He is the nephew of George de Mestral the inventor of Velcro. Armand de Mestral Armand de Mestral, (born 17 November 1941) is a Canadian academic and international arbitration expert. Born in Montreal, Quebec, de Mestral is a law professor at the McGill University and an expert in international law. He also teaches courses on constitutional law and the law of the European Union. He has an undergraduate and master's degree from Harvard University,
Rail fastening system mainline railways of that period used heavy and expensive cast iron chairs to secure T-shaped rails; instead, Stevens added a supporting base to the T rail which could be fixed with a simple spike. In 1982, the spike was still the most common rail fastening in North America. Common sizes are from square and long. A rail spike is roughly chisel-shaped and with a flat edged point; the spike is driven with the edge perpendicular to the grain, which gives greater resistance to loosening. The main function is to keep the rail in gauge. When attaching tie plates the attachment