Patent ID: 8026493
Filing Date: 2011-09-27
Classification: A23L,B29C,B65B

Abstract:
1. A triggering unit for activating a web having an oxygen scavenging composition comprising: a UV light source disposed in a UV chamber, the UV light source including at least one UV lamp; a series of guide rolls disposed in said UV chamber and defining a web pathway about the UV light source and for directing the web in close proximity with the UV light source; and a UV shade disposed between the UV light source and the web pathway, the UV shade capable of at least partially blocking the web from exposure to UV light from the UV light source, the UV shade being arranged to wrap about the UV light source and moveable relative to the UV chamber between open, partially open, and closed positions so as to control the dosage of UV light to which the web is exposed by adjusting the degree to which the UV shade is open.