ELEKTROSTATISCHES FILTERFASERVLIES MIT EINGELEGTEM FUTTER
摘要
Provided is a nonwoven web of electrically charged fibers needle-punched to a scrim support. This web provides a filter medium having increased uniformity in pressure-drop, basis weight and filtration performance.
申请公布号
DE69210047(D1)
申请公布日期
1996.05.23
申请号
DE1992610047
申请日期
1992.12.03
申请人
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US