| 摘要 |
PROBLEM TO BE SOLVED: To provide a coffee filter surely mounted to a dripper and properly functioning as a filter by avoiding an opening peripheral part from deforming at the time of mounting to the dripper of a coffee maker without regard to the size of deformation formed during housing. SOLUTION: At the disposal coffee filter 1 to be used by mounting to the dripper 12, fold-back pieces 3a and 3b are formed by extending in a projecting state at a peripheral part 3. The filter 1 is inserted to the inside of the dripper 12 by expanding like a bag so as to make the part 3 nearly along a peripheral part 12b of the dripper 12 and mounted by folding the pieces 3a and 3b to the outside of the part 12b of the dripper 12. |
