The challenge he faced was stretching plastic so that its molecules would align in two dimensions, rather than just one. Wyeth knew that stretching out nylon thread strengthened it by forcing its molecules to align. Wyeth intuited that there was a way to make a stronger plastic container and after a great deal of experimentation, he found it. The next morning, the bottle had swollen up so much that it was wedged solidly between the refrigerator shelves. He promptly went to a store, bought a plastic bottle of detergent, returned home, replaced the detergent with ginger ale, sealed the bottle, and put it in the refrigerator. After wondering out loud at work why plastic was not used for carbonated beverage bottles, Wyeth was told that they would explode. Wyeth began work on his best known invention in 1967.
Another invention was a machine with magnetized rollers, used to manufacture Typar®, a nonwoven polypropylene fabric used in textiles and construction. He was transferred to the mechanical development lab, where one of his first inventions was an elaborate machine that manufactured dynamite cartridges automatically: this meant that workers were no longer exposed to poisonous nitroglycerin powder. Wyeth made a good impression early on, by inventing a plug-proof valve for a production machine. But soon thereafter, Wyeth jumped at the chance to work for Du Pont Corporation in Wilmington, Delaware, not far from his hometown. After graduating from Penn, Wyeth joined his namesake uncle at General Motors, in their Delco division. One of the successes of Wyeth’s college years was perfecting a 20-foot long hydroplane boat that could reach speeds of 50 m.p.h., resting on two pontoons and powered by a Ford V-8 engine.
By the time he was ready for college, Nat followed another uncle’s advice and chose the University of Pennsylvania for its engineering program. Indeed, young Nat went on to show the typical budding inventor’s interest in gadgets, disassembling clocks and using their parts to make model speedboats, cutting up tin cans and soldering the pieces to make universal joints, and so on. showed such a fascination for working the wheels and brakes of his baby carriage that his father renamed his son after his brother Nathaniel, an engineer. But by the age of 3, Nat - then named N.C. Nat Wyeth was born near Chadds Ford, Pennsylvania, into America’s foremost family of artists: both of his sisters and most notably his brother, Andrew, followed in the footsteps of their father, artist and illustrator Newell Convers (N.C.) Wyeth. Nathaniel Wyeth’s most famous invention, one of the most convenient and readily recyclable items available for sale today, is the plastic soda bottle. Celebrating Garey High School InvenTeam's Patent Award!.
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