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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US400875015 Abr 197522 Feb 1977Alcan Research and Development LimitedContinuous casting of metals
US423908130 May 197916 Dic 1980Asarco IncorporatedSide dam apparatus for use in twin-belt continuous casting machines
US426000830 May 19797 Abr 1981Asarco IncorporatedSide dam apparatus for use in twin-belt continuous casting machines
US436778327 Oct 198011 Ene 1983Hazelett Strip-Casting CorporationMethod and apparatus for continuous casting of metal under controlled load conditions
US45372439 Nov 198327 Ago 1985Hazelett Strip-Casting CorporationMethod of and apparatus for steam preheating endless flexible casting belt
US49057538 Jun 19886 Mar 1990Nippon Steel CorporationTwin belt type casting machine
US492103719 Jul 19881 May 1990Hazelett Strip-Casting CorporationMethod and apparatus for introducing differential stresses in endless flexible metallic casting belts for enhancing belt performance in continuous metal casting machines
US512521724 Jul 199130 Jun 1992Ishida Scales Mfg. Co. Ltd.Apparatus for pulling bag-making material for form-fill-seal packaging machine
US547791228 Sep 199326 Dic 1995Aluminum Company of AmericaRoll for use in a belt caster and an associated method
US573578331 May 19967 Abr 1998Raahen Tevo OyArrangement in connection with a spreader roll drive
US60268874 Mar 199722 Feb 2000Hazelett Strip-Casting CorporationSteering, tensing and driving a revolving casting belt using an exit-pulley drum for achieving all three functions
US648214125 Jul 200119 Nov 2002Spencer Johnston CompanyFlexible end supporting arrangement for direct drive adjustable spreader rolls
US684376218 Dic 200018 Ene 2005Spencer Johnston CompanySpreader roll
US715614719 Oct 20052 Ene 2007Hazelett Strip Casting CorporationApparatus for steering casting belts of continuous metal-casting machines equipped with non-rotating, levitating, semi-cylindrical belt support apparatus
US788815821 Jul 200915 Feb 2011System and method for making a photovoltaic unit