发明名称 Protective covering for cartridge type filter
摘要 Protective cover preserves the shape of cartridge type filter elements. The cover is made up of one thermally resistant high strength polymer with a covering of a thermoplastic chemically resistant second polymer. Pref. polymers are polyethyleneterephthalate or polybutyleneterephthalate for the first and polyethylene, polypropylene or poly(4-methyl-1-pentene) for the second.
申请公布号 DE4328408(C1) 申请公布日期 1994.08.04
申请号 DE19934328408 申请日期 1993.08.24
申请人 SARTORIUS AG, 37075 GOETTINGEN, DE 发明人 SCHMIDT, HANS-WEDDO, 37181 HARDEGSEN, DE
分类号 B01D25/24;B01D63/10;B01D65/00;B01D65/02;B01D65/08;(IPC1-7):B01D63/00;B01D27/06 主分类号 B01D25/24
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