Patent ID: 7754257

Claim:
A packing container comprising: a gusseted container formed from laminated films and having opposite side walls and gussets extending between the opposite side walls; and a spout attached to an opening in the gusseted container, wherein the laminated films include a first laminated film provided with a heat insulating barrier and a second laminated film having a heat insulating degree lower than that of the first laminated film, either the two opposite side walls or the gussets are formed from the first laminated film or the second laminated film, the gussets are formed from the second laminated film when the two opposite side walls are formed from the first laminated film, and the two opposite side walls are formed from the second laminated film when the gussets are formed from the first laminated film, and wherein the first laminated film includes a first plastic film, a nonwoven fabric as the heat insulating barrier and a second plastic film, and a peripheral part of the nonwoven fabric sandwiched between the first and the second plastic film is sealed together with the first and second plastic film by a heat-sealing means to seal air in the nonwoven fabric.