| 摘要 |
<P>PROBLEM TO BE SOLVED: To avoid tea leaves (or stocks) stored in a filter bag jumps out during boiling down. <P>SOLUTION: In the filter bag constituted so that an opening part 15 of a filter bag body 1 formed of a nonwoven fabric with water resistance and water permeability can be closed by a folding-back lid 16 integrally formed on the mouth edge of the opening part 15, the folding-back lid 16 includes a string-like body 18 formed by cutting off a predetermined width H on the side opposite to a folding-back end part of the folding-back lid 16 and capable of bundling the opening part 15, so that the tea leaves (or the stocks) stored in the filter bag 1A do not jump out during boiling down. <P>COPYRIGHT: (C)2012,JPO&INPIT |
