| 摘要 |
PURPOSE:To prevent jumping out of a packing during release of the door of a closed container and to facilitate a work to mount a packing. CONSTITUTION:A dovetail groove 2b in a given shape is peripherally formed in one of the inner surface of a door with which the opening part 2a of the can body 2 of a closed container is closed and the front of the can body 2 having the opening part 2a. A packing 5 approximately in an Y-shape in cross section and having a groove 5a formed in a given shape in a central part is inserted in the dovetail groove 2b and a spacer 6 is pressed in the groove 5a of the packing 5. |
