Patent ID: 8567638

Claim:
An openable and closable container comprising: a main body having a take-out opening; an opening-closing lid provided on the main body swingably about a swing axis on a base end side of the lid, the opening-closing lid opening and closing the take-out opening; and an elastic member provided between the main body and the opening-closing lid; wherein an elastic sealing body is attached to a rear surface of the opening-closing lid such that the elastic sealing body seals the take-out opening of the main body, wherein a frame body is formed on a rear surface of the opening-closing lid, and the elastic sealing body is composed of a packing member attached to the inside of the frame body, wherein the packing member includes: a packing central portion, a packing outer circumferential portion provided on an outer circumference of the packing central portion and elastically vertically movable with respect to the packing central portion, and a close-contact portion provided at a downward portion of the packing outer circumferential portion, and when the opening-closing lid is closed, the close-contact portion comes into close contact with a circumference of the take-out opening of the main body wherein an outside rib is formed along the outer circumference of the packing outer circumferential portion, the outside rib extends vertically upward from the packing outer circumferential portion, and the outside rib has an upper end away from the rear surface of the opening-closing lid, wherein an inside rib is formed between the packing central portion and the packing outer circumferential portion and extends vertically, and wherein the packing outer circumferential portion has a flat portion that is defined between lower portions of the inside rib and the outside rib.