Patent ID: 7799399
Filing Date: 2010-09-21
Classification: B05D,B32B,C23C,Y10T

Abstract:
1. A balloon formed from a lamination, the lamination comprising: a two layer polyester film consisting of an amorphous copolyester skin with a thickness of about 0.5 μm, and a biaxially oriented polyester core; wherein the total thickness of the polyester film is about 36 gauge, and the biaxially oriented polyester core layer has a surface energy of about 50 to about 68 dyne; a metal barrier layer having an optical density of about 2.2 to about 3.2 on the biaxially oriented polyester core layer; a graphic design printed onto the metalized surface; and a linear low density polyethylene sealant layer on the amorphous copolyester skin layer, wherein the balloon has an oxygen transmission rate of 0.04 to 0.09 cc/100 sqin/day after folding and packaging, and the balloon contains a lighter than air gas.