History of easy open ends
In 1959, Ernie.C.FRAZE (ERNIE.C.FRAZE) of DRT Company in Teton, Ohio, USA, invented the easy-open lid, that is the material of the lid itself was processed to form a rivet, and the outer jacket A pull ring is riveted and then riveted, matched with corresponding notches to form a complete can lid.The invention of genius made a historic breakthrough in the metal container after 150 years of long development. At the same time, it also laid a solid foundation for the development of the canning and beverage industry. After entering the 1990s, the North American easy open cover supply and demand markets continued to expand. By the end of the 1990s, supply and demand tended to be stable, with a slower growth rate.
Until 2013, there were a total of 169 easy-open lid production lines in North America, with an average production line speed of 1,522 cans/min. The total annual production capacity was about 109 billion pieces, and the market demand was about 107 billion pieces. The number has dropped and there are about 157 remaining, and the production line speed will increase by 1630 cans/min.
