Patent application number | Description | Published |
20090155621 | Tin-Plated Steel Sheet and Method for Manufacturing the Same - A tin-plated steel sheet includes a plating layer containing tin on at least one surface of a steel sheet, and a chemical conversion coating containing P and tin on the plating layer is provided. In the steel sheet, a coated amount of the chemical conversion coating per surface is 1.0 to 50 mg/m | 06-18-2009 |
20100206437 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for insulation coating for grain oriented electrical steel sheet includes at least one member selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn, and colloidal silica in a proportion of 0.2 to 10 mol in terms of SiO | 08-19-2010 |
20100221549 | ELECTRICAL STEEL SHEET HAVING INSULATION COATING AND METHOD FOR MANUFACTURING SAME - An insulation coating containing a composite resin composed of polysiloxane and a polymer containing carbon is formed on the surface of an electrical steel sheet, thus obtaining an electrical steel sheet having an insulation coating that gives corrosion resistance and punchability equivalent to or higher than those of Cr-containing insulation coating. | 09-02-2010 |
20100233484 | ELECTRICAL STEEL SHEET HAVING INSULATION COATING AND METHOD FOR MANUFACTURING SAME - An electrical steel sheet has an insulation coating having excellent corrosion resistance and punchability even without containing chromium and is prepared by applying a coating liquid on the surface of an electrical steel sheet, followed by baking the applied coating liquid, which coating liquid contains 100 parts by weight of polysiloxane polymer prepared by copolymerizing polysiloxane with one or more resins selected from acrylic resin, styrene resin, vinyl acetate resin, polyester resin, urethane resin, polyethylene resin, polypropylene resin, polyamide resin, polycarbonate resin, phenol resin, alkyd resin, and epoxy resin, and 1 to 50 parts by weigh of one or more compounds selected from melamine, isocyanate, silane coupling agent, and oxazoline, as a cross-linking agent. | 09-16-2010 |
20110067786 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for an insulation coating for a grain oriented electrical steel sheet includes at least one member selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn, and colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 03-24-2011 |
20110236581 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEETS AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for insulation coating for grain-oriented electrical steel sheets contains at least one selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 09-29-2011 |
20130115444 | MAGNETIC STEEL SHEET WITH SEMI-ORGANIC INSULATION COATING - A semi-organic insulation coating includes an inorganic component and an organic resin, a Zr compound and an Si compound contains a plate-like silica as an inorganic component and are included in a ratio in a dry coating of 20 to 70 mass % of Zr compound (converted to ZrO | 05-09-2013 |
20140245926 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEETS - A treatment solution for an insulation coating of grain-oriented electrical steel sheets includes at least one selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al and Mn; colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 09-04-2014 |