| 摘要 |
<p>A CONDUCTIVE RESIN COATED STEEL PIPE AND AN EXTRUSION MOLDING METHOD FOR THE STEEL PIPE CAPABLE OF USING FILLER INSTEAD OF CARBON BLACK AND RIOT ONLY LOWERING A PRODUCTION COST BUT ALSO FURTHER INCREASING AN ATTRACTIVENESS; THE RESIN COATED STEEL PIPE, WHEREIN A REGENERATED RESIN (3) SUCH AS POLYETHYLENE, ABS, AAS, AND THE OUTER PERIPHERAL SURFACE OF A THIN-WALLED STEEL PIPE (2) IS COATED WITH POLYPROPYLENE, AND A CONDUCTIVE RESIN (4) SUCH AS POLYETHYLENE, ABS, AAS, AND POLYPROPYLENE MIXED WITH FILLER ON THE OUTER PERIPHERAL SURFACE OF THE COATED RESIN (3) IS AXIALLY UNIFORMIZED IN CROSS SECTION BY A DOUBLE COATED STRUCTURE WHERE THE PORTION (4B) THEREOF HAVING A WALL THICKNESS AND A WIDTH NECESSARY FOR DEVELOPING THE CONDUCTIVITY THEREOF ARE PROVIDED AT ONE OR MORE POSITIONS IN THE CIRCUMFERENTIAL DIRECTION OF A PIPE BODY AND THE ENTIRE OUTER PERIPHERAL SURFACE THEREOF IS COATED THINLY WITH THE RESIN.(FIG 1)</p> |
