Patent ID: 7906232

Claim:
A fuel cell casing for storing fuel cells therein, said fuel cell casing comprising: a casing body; a depressurizing hole that is formed in the casing body to release inner pressure of the fuel cell casing; a cover member that covers over the depressurizing hole; a first double-sided adhesive member that has adhesive function on two faces thereof and is stuck on its one face to the casing body along circumference of the depressurizing hole; a second double-sided adhesive member that has adhesive function on two faces thereof and is stuck to the cover member on its other face opposite to one face close to the first double-sided adhesive member; and an interposed member that is interposed between the first double-sided adhesive member and the second double-sided adhesive member and is detached, in response to an increase in inner pressure of said fuel cell casing to a preset level, at at least one of an adhesive face of the first double-sided adhesive member to the interposed member and an adhesive face of the second double-sided adhesive member to the interposed member, prior to detachment of the first double-sided adhesive member from the casing body and detachment of the second double-sided adhesive member from the cover member, said fuel cell casing further comprising: an air hole that is formed in the casing body for air vent; a gas permeation membrane that covers over the air hole and allows permeation of only a gas component; and a third double-sided adhesive member that has adhesive function on two faces thereof, is stuck on its one face to the casing body along circumference of the air hole, and is stuck on its other face to the gas permeation membrane so that the other face of the third double-sided adhesive member is detached from the gas permeation membrane in response to an increase in inner pressure of said fuel cell casing to a certain level equivalent to the preset level, wherein the cover and the gas permeation membrane simultaneously separate when the inner pressure of the casing is released from both the depressurizing hole and the air hole to rapidly lower the same.