公开(公告)号：EP1553224A4

公开(公告)日：2008-12-03

申请号：EP03733560

申请日：2003-06-24

申请人： ASAHI KASEI FIBERS CORP ,  OHKI CO LTD

发明人： IWASAKI HIROHUMI ,  NAGAO HIROHIKO ,  YAMAGUCHI NAOKO ,  SAITOU MITSUNORI

IPC分类号： D04H3/14 ,  A47J31/06 ,  D04H3/16 ,  D04H13/00

CPC分类号： D04H3/16 ,  B65D85/8043 ,  D04H1/4291 ,  D04H1/435 ,  D04H1/4374 ,  D04H1/4382 ,  D04H1/541 ,  D04H3/007 ,  D04H3/14 ,  Y10T428/2927 ,  Y10T442/172 ,  Y10T442/174 ,  Y10T442/183 ,  Y10T442/659 ,  Y10T442/66 ,  Y10T442/671 ,  Y10T442/681

摘要： A thermoplastic synthetic fiber nonwoven fabric which has a weight of 7 to 50 g/m2, an average fiber diameter of 7 to 40 μm, a partial heat contact bonding percentage of 5 to 30 %, a delustering agent content of 0.5 wt % or less; or a laminated nonwoven fabric characterized in that it comprises the thermoplastic synthetic fiber nonwoven fabric as a primary component and has a maximum opening diameter of 200 to 2000 μm, a transparency of 50 % or higher, a powder leak percentage of 10 wt % or less, and a value representing the hydrophilicity thereof of less than 10 seconds; a tea bag using the nonwoven fabric.