| 摘要 |
Provided is a bag-like water purification device that has: a cylindrical upper part that comprises a first impermeable film and that has an upper-end opening part; a bag-like base part that comprises a second impermeable film; and a cylindrical treatment part that is provided between the cylindrical upper part and the bag-like base part and that has a filter part that comprises a filter membrane. The device has excellent durability and can quickly filter water that contains dirt. In one embodiment of the device, the cylindrical upper part has an adhesion part wherein the first impermeable film is adhered to itself, the bag-like base part has an adhesion part wherein the second impermeable film is adhered to itself, the filter part is cylindrical, the cylindrical treatment part has an adhesion part wherein the filter membrane is adhered to itself, all of the adhesion parts are positioned on the outside of the bag-like water purification device, and the adhesion part wherein the filter membrane is adhered to itself is sealed with a sealant film. |
