FILTER MATERIAL FOR LIQUID
PROBLEM TO BE SOLVED: To provide a filter material for liquid which has a filter layer with a fine fiber diameter, is small in thickness, and has sufficient rigidity for pleating, and to provide a filter material for liquid suitable, for example, for a long life filter for an electric discharge mach...
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| creator | MIYAJI KIYOSHI AMANO SEIICHI UCHIMURA TETSUO |
| description | PROBLEM TO BE SOLVED: To provide a filter material for liquid which has a filter layer with a fine fiber diameter, is small in thickness, and has sufficient rigidity for pleating, and to provide a filter material for liquid suitable, for example, for a long life filter for an electric discharge machine while improving performance for collecting fine particles of several micrometers generated by electric discharge machining.SOLUTION: In the filter material for liquid obtained by layering a filter layer and a support layer, the filter layer comprises a synthetic fiber nonwoven fabric having an average fiber diameter of 0.4-1.2 μm and an areal weight of 20-70 g/m. The filter material for liquid has a bending strength of 0.5 mN or above, a thickness of 0.45 mm or below, and an air permeability of 0.8-6 cc/cm/sec. |
| format | Patent |
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The filter material for liquid has a bending strength of 0.5 mN or above, a thickness of 0.45 mm or below, and an air permeability of 0.8-6 cc/cm/sec.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MACHINE TOOLS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-WOVEN FABRICS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TEXTILES TRANSPORTING TRIMMINGS WADDING WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL |
| title | FILTER MATERIAL FOR LIQUID |
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