FILTER FOR EXTRACTING LUXURY BEVERAGE, ITS MANUFACTURING METHOD, AND BAG FOR EXTRACTION

摘要

PROBLEM TO BE SOLVED: To provide a filter for extracting luxury beverage which has excellent moldability and restrains luxury beverage powder from leaking, its manufacturing method, and a bag for extracting the luxury beverage which is made from the filter for extracting the luxury beverage. SOLUTION: The filter having a woven or knitted structure is obtained by using a polyester filament (1) which is formed only from a copolymerized polyester component whose melting point is 160-240°C and whose tensile strength is not less than 3.0 cN/dtex measured according to JIS L1013. After this, the filter is heat-treated under a relaxed condition when necessary, and the bag for extracting the luxury beverage is constituted when necessary. COPYRIGHT: (C)2009,JPO&INPIT