发明名称 Filter for a filter cassette of a civilian gas mask comprises an adsorption layer with hot-melt-type adhesive threads charged with particulate absorbent and a three-dimensional net
摘要 <p>Filter comprises an adsorption layer (22) with hot-melt-type adhesive threads charged with particulate absorbent and a three-dimensional net. The absorbent minimally adheres to the threads. The weight ratio of the threads to the absorbent is 2-20, preferably 8-10 wt.% and the specific absorbent weight per m2> flow surface and per mm thickness of the adsorption layer is 100-500 g/m2>.mm. An independent claim is also included for a process for the production of the filter.</p>
申请公布号 DE10305307(A1) 申请公布日期 2004.08.26
申请号 DE2003105307 申请日期 2003.02.10
申请人 HELSA-WERKE HELMUT SANDLER GMBH & CO. KG 发明人 HOFFMANN, REGINA
分类号 A62B23/02;B01D39/16;B01D39/20;(IPC1-7):A62B23/02;B01D39/00 主分类号 A62B23/02
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