| 摘要 |
PROBLEM TO BE SOLVED: To seal a metallic case with high reliability by preventing the concentration of stresses to a local spot in a packing at the time of caulking the metallic case. SOLUTION: A can body is provided with a first metallic case having an opening, a ring-like packing 2 mounted on the margin of the opening of the case 1, and a second metallic case 3 which covers the opening of the case 1 with the packing 2 in between, and the outer peripheral edge of the second metallic case 3 is caulked to the first metallic case 1 side by compressing the packing 2, after stress absorbing sections 2c are formed in or on the surface of the packing 2. |
