Selected Patents Related to Thermal Spraying
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Selected Patents Related to Thermal Spraying Issued between October 1, 2007 and December 31, 2007 Prepared by Jirˇı´ Mateˇjı´cˇek, Institute of Plasma Physics, Za Slovankou 3, 18200 Praha 8, Czech Republic; jmatejic@ ipp.cas.cz; phone +420-266 053 307. Adapted with permission from Delphion, http://www.delphion.com/ CA = Canadian patent, RU = Russian patent, SG = Singaporean patent, US = United States patent, WO = World Intellectual Property Organization application. The information has the following format: Title, Abstract, Patent number, Inventors, Company, Issued/ Filed dates.
Applications Corrosion-Resistant ABS Tone Ring. A tone ring of a vehicle antilock braking system of the type that is integrated into a disc brake rotor. The tone ring has a protective layer that enables it to withstand the combination of extreme heat and harsh environmental conditions to which it is exposed during operation of the vehicle. The protective layer is applied by thermally spraying the selected one of a plurality of materials, such as a nickel-based alloy, a highchrome stainless steel, or nonferrous materials such as an aluminum, copperbased alloys, or a ceramic, on teeth of the tone ring, and without causing the protective layer to be deposited on the rotor braking surfaces. The protective layer generally prevents the formation of oxidation and corrosion by-product layers on the teeth, to thereby maintain sensitivity for detection of teeth movement by the antilock braking system sensor during operation of the system. US 7306293: Chris A. Redgrave. Company: Hendrickson USA, L. L. C. Issued/ Filed: December 11, 2007/December 10, 2004. Delivery Roll and Hearth Roll for Continuous Annealing Furnace. A steel-sheet-manufacture delivery roll and hearth roll for continuous annealing furnace, provided on the surface thereof with a thermal-spray coating, wherein the thermal-spray coating consists of a cermet, or heat-resistant alloy, of 80 vol.% or less ceramic component
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content, and wherein on the thermalspray coating, a layer of oxide is provided of at least one member selected from among sprayed metals, Cr, Si, Zr, and Al, and wherein the ratio of R/R¢ in which R is the roughness parameter obtained by measuring the surface of the oxide layer with its cutoff value set at an initial value in accordance with JIS B0633 while R¢ is the roughness parameter obtained by measuring with the cutoff value set at 1/10 of the initial value is 4 or higher. WO 27148414: Yasushi Kurisu. Company: Nippon Steel Corp. Issued/Filed: December 27, 2007/July 12, 2006. Forming a Molded Article Using Improved Thermal-Sprayed Tooling. A metallic shell used, for example, as a mold is formed by spray deposition connected to the base by rods or other supports connected to mounting elements that are incorporated in the shell during the deposition process. The shell can incorporate different metals to provide different thermal conductivities in various regions. US 7311870: Charles P. Covino. Company: GMIC, Corp. Issued/Filed: December 25, 2
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