Patent ID: 8413846

Claim:
A package bag with a liquid pouring nozzle integrally constituted by protruding from a side portion or a top portion of a soft package main body, wherein the liquid pouring nozzle is formed by fusion-joining front and rear laminate films, each of which films comprising a uniaxially oriented or biaxially oriented base film layer having a steam permeability (HS K7129) of not more than 10 g/(m 2 /24 h) and a sealant layer laminated on a surface thereof, which films are the same film as the package bag main body, at a surrounding portion thereof at a posture of opposing the sealant layers to each other, and the laminate film has a bending strength per 15 mm width of 40-300 mN, wherein a volatile substance is applied onto an outer surface of a portion of the liquid pouring nozzle at least forming a pouring part.