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1. US5338320 - Flat plate-like ribbed porous carbon material and manufacturing method therefor

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We claim:
1. A method of manufacturing a ribbed porous carbon material, comprising the steps of:
extruding a starting material for molding containing carbonaceous fibers and a binder in a flat plate-like shape state;
forming a rib portion to an extruded molded product along a direction perpendicular to a direction of extrusion by means of rolling and subsequently calcining the rib portion and the extruded molded product.
2. A method of manufacturing a ribbed porous carbon material as in claim 1, wherein the starting material for molding further contains carbonaceous particles with a grain size of from 5 to 50 μm.
3. A method of manufacturing a ribbed porous carbon material, comprising the steps of:
extruding a starting material for molding containing carbonaceous fibers and a binder in a flat plate-like shape state;
forming a rib portion to an extruded molded product along a direction perpendicular to a direction of extrusion by means of press forming and subsequently calcining the rib portion and the extruded molded product.
4. A method of manufacturing a ribbed porous carbon material as defined in claim 3, wherein the starting material for molding further contains carbonaceous particles with a grain size of from 5 to 50 μm.