Patent ID: 8277910

Claim:
A fluid container for packaging, comprising: a plurality of container members formed by a first container film and a second container film superposed and bonded with each other at predetermined portions of the first and second container films; and a plurality of check valves, each check valve formed by bonding a first and a second check valve films positioned between the first and second container films, the check valve being fixed to the first container film, the check valve including: a fluid pipe for supplying the fluid from a common guide passage to the container members, wherein the first and second check valve films are bonded to the first container film, and direct bonding portions where the first and second check valve films are directly bonded to the first container film include: a pair of converging direct-bonding portions forming a fluid passage that gradually narrows toward a predetermined direction of a fluid flow, and being connected to the common guide passage to receive the fluid; and a first island downstream of the fluid passage for dividing the fluid flow within the fluid passage.