
Blowing and Sealing Machinery : Republic Blower Systems and Liquid Nitrogen Injections Packaged food-stuffs need two things: cleanliness and shelf-life. Here are two great examples of their manufacturing process: On the dry-side, the Republic (http://www.republicsales.com)-brand conveyor belt/dryer uses blades of air to dry-off products. (Recognize that technology? It's the same stuff the Dyson AirBlade (http://www.dysonairblade.com/) hand dryer uses!) More energy efficient than other compressed air blowers, it saves manufacturers money and makes sure your Tomato Ketchup doesn't land on a shelf with smudges of goo. On the stability side, this mad-scientist demo from Vacuum Barrier Corporation (http://www.vacuumbarrier.com) explains the process of injecting liquid nitrogen to keep food-stuffs fresh. It's the process that results in the "ppphhffffizzz" sound when you open a jar of peanuts or a bottle of water. Now if only Dasani came with the smoke too...
