| 摘要 |
PROBLEM TO BE SOLVED: To provide a lid which can easily open a container while surely closing the container, also simplify resource saving and a production process, and reduce a product failure, and to provide its production method.SOLUTION: A lid 2 for closing a container body 1 includes a cut-off part 3 to be a portion of its wall part, and a groove-shaped cut-off line 3b formed in the wall part of the lid 2 to trim the cut-off part 3. Also, the previously produced container body 1 is covered with the lid 2, and the groove-shaped cut-off line 3b trimming the cut-off part 3 is formed by irradiating a laser beams along the edge of the cut-off part 3 to be a portion of the wall part of the lid 2.SELECTED DRAWING: Figure 1 |
