Patent ID: 7048121

Claim:
A sealed case, comprising: an elongated trunk member including an overlapped part made by overlapping at least parts of an inside end portion and an outside end portion apart from each other in a vertical axis direction of a sheet material having a vertical axis and a horizontal axis crossing the vertical axis, and first and second open portions each provided with an opening and apart from each other in a horizontal axis direction, and said overlapped portion having a fixing area to fix the inside and outside end portions; first and second cover members made of sheet material and fixed to said first and second open end portions of the trunk member, closing the openings of said open end portions; and a tongue member which is provided at said outside end portion of the trunk member and exposed to an outside, and when a tensile force is applied, releases the fixing of the outside and inside end portions and partially releases the fixing of said first and second open end portions and said first and second cover members, thereby unsealing the sealed case; each of said first and second cover members including a main part having the substantially same shape and size as that of the cross section of the opening of the trunk member, the main part having an outer surface and a peripheral end face and a ring-shaped rim projected from the outer surface of the main part and extended along the peripheral end face of the main part, the rim having an outer peripheral surface; and the main part of the cover member being located in each end portion of the trunk member, and the outer peripheral surface of said rim of the cover member is attached to an inside surface of the end portion in a surface contact manner.