According to Richard Krulik, the chief executive of U.S. Plath began selling his invention to fellow flight crew members and later left the airline to form Travelpro International. Plath's model affixed two wheels and a long handle to suitcases that rolled upright, rather than being towed flat on its front like Sadow’s four-wheeled models. The rollaboard was invented by Robert Plath, a Northwest Airlines 747 pilot and avid home workshop tinkerer in 1987. Eventually Macy’s ordered some, and the market grew quickly as Macy’s ads began promoting “the Luggage That Glides.” And the prevailing assumption in the travel industry at the time was that women didn't travel alone, and when they did, their husbands would carry suitcases. He was frequently told that men would not accept suitcases with wheels. Sadow spent many months rolling his prototype bag on sales calls to department stores in New York and elsewhere with little success. He then patented the first wheeled luggage in 1972, under U.S. Sadow returned to work and attached four casters to a large standard suitcase together with a strap that allowed the traveler to tow the case behind them. Wheeled luggage īernard Sadow, who was at that time a vice president at a Massachusetts company that made luggage and coats, observed while traveling with his family in 1970 that people were struggling with luggage as airplanes replaced trains as the primary mode of long-distance travel. Spinner style wheeled suitcases were introduced in 2004. There are many grades of polycarbonate.īoth acrylonitrile butadiene styrene (ABS), which was cheaper than polycarbonate, and polypropylene, which was lighter than polycarbonate, were introduced shortly after polycarbonate.
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Most luggage manufacturers have made some suitcases from the material. The first suitcases made of polycarbonate were made in 2000 by the German luggage maker Rimowa. In 1950 Rimowa introduced the mass market aluminum suitcase based on the Junkers Ju 52 airplane shortly followed by Zero Halliburton. The original 'Halliburton' aluminum travel cases were handmade for Erle P.
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