| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a paper container suitable for heating in a microwave oven, etc., which secures rigidity of a flange part and prevent the flange part from straining, and is reduced in the total weight to be formed compactly. <P>SOLUTION: The paper container includes a bottomed cylindrical cup part 2 formed by drawing a blank made of a paper material, and a resin-made flange part 5 continued from an upper end 3a of the cup part 2. The flange part 5 includes a cylindrical part 12 along a peripheral wall 3 of the cup part 2, and an annular flat plate 13 horizontally overhanging the cylindrical part 12 and keeps the cylindrical part 12 fastened in the state that the upper end 3b of the peripheral wall 3 of the cup part 2 is covered so as to overlap a part of the peripheral wall 3. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
