| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a sheet material included in a drip bag from tearing at dripping in the drip bag for obtaining an extraction liquid such as coffee. <P>SOLUTION: The drip bag 1A comprises a bag main body 2 with an opening part on an upper end part thereof, retaining members 3 provided on two opposite faces of the outer surface of the bag main body 2 and reinforce pieces 9 applied on the outer surface of the bag main body 2 in outer peripheral parts of the retaining members 3. The bag main body 2 is formed by the moisture-permeable filter sheet material. The retaining members 3 are formed by a thin plate material. Each of the members 3 comprises an application part 11 where the member 3 is applied on the outer surface of the bag main body 2, an arm part 5 formed so that it can be raised from the bag main body 2 and a retaining piece 12, wherein the lower end of the arm part 5 is integrated with the application part 11 and the upper end is integrated with the retaining piece 12. The application part 11 is applied on at least a position where the lower end part of the arm part 5 is surrounded by the bottom and both sides. The retaining piece 12 has a hanging part 13 approximately horizontally extending to both sides of the upper part. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
