Patent ID: 8418886
Filing Date: 2013-04-16
Classification: B65D,B67D,Y10S

Abstract:
1. A package bag comprising a soft package bag main body and a liquid pouring nozzle formed by protruding from a side portion or a top portion of the package bag main body, wherein the package bag main body is provided at its inner surface with a sealant layer, and the liquid pouring nozzle is formed by fusing a pair of front and rear laminate films, each of which films having a three-layer structure comprising a uniaxially oriented or biaxially oriented base film layer which has a steam permeability (JIS K7129) of not more than 10 g/(m and the sealant layer in the inner surface of the package bag main body is fusion-joined to the outer sealant layers of the liquid pouring nozzle at a base end portion of the nozzle.