| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a beverage extraction filter which is more inexpensive and improves filtering performance by reducing a quantity of a foreign material, except for extract, to be mixed with provision of a means for using a microwave oven or the like to more easily extract a beverage. <P>SOLUTION: A thermally soluble material is not directly applied or impregnated in a filtering material but a material which the thermally soluble material is applied on or which is impregnated with the thermally soluble material is overlapped inside or outside the filter. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
