by Hella Gourven, CROWN Food Packaging North America

For more than 200 years, the food can has enabled brands to provide high quality, nutritious food to consumers around the world. Even as new packaging formats enter the market, metal continues to demonstrate packaging success. Like many inventions, the can was created to solve a specific problem: feeding European armies in the early 19th century who needed to carry their own food supplies for long distances in harsh conditions without opportunities for re-supply.

http://www.foodmanufacturing.com/articles/2014/05/why-can-could-be-right-choice-your-products