| 摘要 |
<P>PROBLEM TO BE SOLVED: To retain a commercial value despite of repeated use by forming a little clearance between the base of a fitting recess of a lid body and the base of a fitting projection of a container body in a state where stack portions of the container body are stacked on projecting mount portions of the lid body, when stacking the container body on the lid body, bringing the projecting mount portions to abut on the stack portions, eliminating the abutment on the upper face central part of the lid body and suppressing formation of flaws and stains on a conspicuous portion when using a lunch box. <P>SOLUTION: The both right/left side parts of the upper face 2e of the lid body 2 are formed with projecting mount portions 2a, the upper face central part of the lid body is formed into the fitting recess 2b by the formation of the projecting mount portions, the base central part of the container body is formed with the fitting projection 1b fitted around the fitting recess of the lid body, and the both right/left side parts of the container body 1 are formed into the stack portions 1c being stack on the projecting stack portions by the formation of the fitting projection. <P>COPYRIGHT: (C)2008,JPO&INPIT |
