Process for making fluid filters having improved properties
专利汇可以提供Process for making fluid filters having improved properties专利检索，专利查询，专利分析的服务。并且1. A process for making a filter cartridge comprising winding strand material in a crisscross pattern on a pervious core in a plurality of superposed layers with the strands in axially spaced relation and in substantially superposed position thereby forming circumferential series of diamond-shaped radial passages extending from the inner surface to the outer surface of said cartridge, the passages being progressively larger from said inner surface to said outer surface each of said series of diamond-shaped passages having substantially eight such passages per inch of internal diameter of the cartridge regardless of the degree of filtration expected from said cartridge and while winding applying a quantity of fibrous material on said strands and between the layers thereof to cause the fibrous material to lie on and be axially spaced by said strands and form within the passages filtering media, said fibrous material being determined by the desired degree of filtration expected from said cartridge.，下面是Process for making fluid filters having improved properties专利的具体信息内容。
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