On January 24, 1923 P.J. Swanson and Chas. T. Lyons formed the Tire Mat and Bi-Products Company, Inc. to capitalize on the patent filed by P.J. Swanson for the invention of the tire-link mat. In July of 1924, Chas. T. Lyons, H.W. Bell and Howard R. Lyons formed a successor company called Durable Mat Company, Inc. and were shortly joined by C.L. Morris and Falcon Joslin, whom jointly comprised the management team that would established what is today Durable Corporation. The industry-leading loading dock bumper provides optimal protection against damage to your loading dock area, buildings and cargo. Fabric reinforced pads cut from selected recycled truck tires are laminated between structural steel angles to absorb over 80% of truck impact. Available in 4 1/2" and 6" thick horizontal or vertical units with two mounting angles for bolting to dock wall or optional plates for weld-on installations. Standard 5 year warranty. Have unlimited applications in factories, warehouses and docks, vehicle impact protection for loading docks. projecting above low docks, rub rails at the sides of truck wells and wall bumpers to protect against fork lift trucks. Special construction features to accommodate unusual anchoring conditions. Tough piles of truck tire material virtually eliminates chipping or abrasion, unlike molded rubber, extruded rubber, conveyor belting or wood plank bumpers. Attractive deep black color enhances a neat, professional architectural look. Manufactured under pressure exceeding 1,500 lbs. to absorb over 80% of impact force. Anchor bolts are protected by at least 3" of rubber to prevent damage. Durable and maintenance free.