The invention disclosed is an improved scrim means for use in a breathing gas filter assembly which includes a pleated web filter medium. The improved scrim means is of a non-woven microorganism resistant synthetic polymeric material of sufficient rigidity to provide substantially continuous support to maintain the pleats of the filter medium in substantially uniformly spaced relationship, to expedite fluid flow in the plane of the web and to minimize meeting of the filter medium.
申请公布号
CA1306201(C)
申请公布日期
1992.08.11
申请号
CA19880574901
申请日期
1988.08.16
申请人
MINISTER OF NATIONAL DEFENCE (THE)
发明人
MARUSCAK, JOHN;LEGARE, PIERRE;WELCH, THOMAS C., JR.