Patents by Inventor Isaac Valls
Isaac Valls has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12286697Abstract: The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which can be shaped with ease and whose hardness can be raised to a higher working hardness with a simple heat treatment at low temperature (below austenitization temperature).Type: GrantFiled: December 6, 2022Date of Patent: April 29, 2025Assignee: VALLS BESITZ GMBHInventor: Isaac Valls Angles
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Patent number: 11897035Abstract: A production method of particulate materials, through centrifugal atomization (CA) is disclosed. The method is suitable for obtaining fine spherical powders with exceptional morphological quality and extremely low content, or even absence of non-spherical-shape particles and internal voids. A appropriate cost effective method for industrial scale production of metal, alloy, intermetallic, metal matrix composite or metal like material powders in large batches is also disclosed. The atomization technique can be extended to other than the centrifugal atomization with rotating element techniques.Type: GrantFiled: November 28, 2022Date of Patent: February 13, 2024Assignee: INNOMAQ 21, S.L.Inventor: Isaac Valls Anglés
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Patent number: 11781203Abstract: The present invention relates to a method for the economic production of light structural components with high flexibility in the geometry attainable. It also relates to the material required for the manufacturing of those parts. The method of the present invention allows a very fast manufacturing of the parts. The method of the present invention also allows the economic manufacturing of components with intricate internal geometries (such as for example cooling or heating circuits).Type: GrantFiled: February 26, 2018Date of Patent: October 10, 2023Assignee: INNOMAQ 21, S.L.Inventor: Isaac Valls Anglés
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Publication number: 20230101304Abstract: The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which can be shaped with ease and whose hardness can be raised to a higher working hardness with a simple heat treatment at low temperature (below austenitization temperature).Type: ApplicationFiled: December 6, 2022Publication date: March 30, 2023Applicant: VALLS BESITZ GMBHInventor: Isaac Valls Angles
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Patent number: 11529683Abstract: A production method of particulate materials, through centrifugal atomization (CA) is disclosed. The method is suitable for obtaining fine spherical powders with exceptional morphological quality and extremely low content, or even absence, of nonspherical shape particles and internal voids. An appropriate cost effective method for industrial scale production of metal alloy, intermetallic, metal matrix composite or metal-like material powders in large batches is also disclosed. The atomization technique can be extended to other than the centrifugal atomization with rotating element techniques.Type: GrantFiled: July 29, 2019Date of Patent: December 20, 2022Assignee: INNOMAQ 21, S.L.Inventor: Isaac Valls Angles
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Patent number: 11421290Abstract: The present invention relates to tool steels which present an extremely high conductivity while maintaining high levels of mechanical properties the manufacturing process thereof. Tool steels of the present invention are able to undergo low temperature hardening treatments with good homogeneity of the microstructure and can be obtained at low cost.Type: GrantFiled: April 21, 2020Date of Patent: August 23, 2022Assignee: INNOMAQ 21, SOCIEDAD LIMITADAInventor: Isaac Valls Anglés
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Publication number: 20180363110Abstract: The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which can be shaped with ease and whose hardness can be raised to a higher working hardness with a simple heat treatment at low temperature (below austenitization temperature).Type: ApplicationFiled: August 2, 2018Publication date: December 20, 2018Applicant: VALLS BESITZ GMBHInventor: Isaac Valls Angles
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Patent number: 10077490Abstract: The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which can be shaped with ease and whose hardness can be raised to a higher working hardness with a simple heat treatment at low temperature (below austenitization temperature).Type: GrantFiled: May 7, 2013Date of Patent: September 18, 2018Assignee: VALLS BESITZ GMBHInventor: Isaac Valls
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Publication number: 20170268084Abstract: A hot-work tool steel alloy comprising 0.26 to 0.55% by weight C, <2% by weight Cr; 1 to 10% by weight Mo, and W in a concentration of up to 15% by weight W. The tool steel has a thermal conductivity of more than 42 W/mK at room temperature. A process for making a hot-work steel having high thermal conductivity comprising formulating the hot-work tool steel alloy to comprise a microstructure comprising carbides in a surrounding metallic matrix, heat treating the hot-work tool steel alloy a) to reduce any fraction by weight of C, W, and Mo in solid solution in the matrix, b) to change a fraction by volume of carbides in the matrix, and c) to promote formation of a matrix composition and carbide fraction, distribution, and morphology that impart a thermal conductivity to the alloy of more than 42 W/mK at room temperature.Type: ApplicationFiled: June 5, 2017Publication date: September 21, 2017Applicant: ROVALMA, S.A.Inventor: Isaac Valls Angles
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Patent number: 9689061Abstract: A tool steel, in particular a hot-work steel, has the following composition: 0.26 to 0.55% by weight C; less than 2% by weight Cr; 0 to 10% by weight Mo; 0 to 15% by weight W; wherein the W and Mo contents in total amount to 1.8 to 15% by weight; carbide-forming elements Ti, Zr, Hf, Nb, Ta forming a content of from 0 to 3% by weight individually or in total; 0 to 4% by weight V; 0 to 6% by weight Co; 0 to 1.6% by weight Si; 0 to 2% by weight Mn; 0 to 2.99% by weight Ni; 0 to 1% by weight S; remainder: iron and inevitable impurities. The hot-work steel has a significantly higher thermal conductivity than known tool steels.Type: GrantFiled: September 26, 2013Date of Patent: June 27, 2017Assignee: Rovalma, S.A.Inventor: Isaac Valls Angles
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Patent number: 9249485Abstract: A cold work tool steel with average or above wear resistance, a hardness in excess of (60) HRc and a very good toughness but with considerably lower carbon contents leading to highly improved weldability is obtained by combining the presence of primary carbides (or alternatively nitrides and/or borides) with other strengthening mechanisms like precipitation hardening or even solid solution. Vanadium rich MC type carbides, modified with refractory metal additions, present the best compromise of hardness and fracture toughness for several applications, while for other applications harder carbides, such as Ti carbides or Ti mixed carbides (primarily with V, Mo and/or W) will be the preferred ones, alternatively using Zr and Hf mixed carbides.Type: GrantFiled: January 11, 2008Date of Patent: February 2, 2016Assignee: Rovalma SAInventor: Isaac Valls
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Publication number: 20160010168Abstract: The present invention relates to a tool steel as described in WO2012095532A1 or WO2010112319A1 and its heat treatment where high levels of thermal diffusivity, mechanical resistance, wear resistance and/or toughness are attained while having a low cracking risk during the heat treatment. It is achieved by austenitizing at a temperature, normally above AC3, cooling to an intermediate temperature below AC1 and above the temperature where bainitic (and alike) transformation occurs and finally quenching with a severe cooling media to a temperature below the bainitic transformation nose. Final microstructure is mainly composed of martensite and/or lower bainite, which will generally be afterwards tempered.Type: ApplicationFiled: February 28, 2014Publication date: January 14, 2016Inventor: Isaac Valls Angles
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Patent number: 9050867Abstract: A slip-proof cover for a vehicle tire for use in adverse weather conditions, including snow or ice, with a configuration that allows a simple mounting. The cover is highly reliable and positionally stable, and has a good mechanical performance with respect to abrasion. The cover includes a band made of textile fabric including cords made of strands that may be of varying thicknesses and the textile ligament may be taffeta.Type: GrantFiled: February 24, 2009Date of Patent: June 9, 2015Inventors: Sergio Lopez Roca, Isaac Valls Chaparro
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Publication number: 20150118098Abstract: The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which can be shaped with ease and whose hardness can be raised to a higher working hardness with a simple heat treatment at low temperature (below austenitization temperature).Type: ApplicationFiled: May 7, 2013Publication date: April 30, 2015Applicant: VALLS BESITZ GMBHInventor: Isaac Valls
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Publication number: 20150114525Abstract: The invention relates to a method that has been developed to obtain good toughness and homogeneous properties through heavy sections in tool steels or likely highly alloyed steels. The microstructure attained is mostly bainitic. The method is especially good for hot work tool steels in applications demanding heavy sections and very high toughness. The method consists on the application of a low temperature bainitic transformation to tool steels presenting a low enough martensite transformation temperature (Ms). Additionally or alternatively cementite is replaced from the bainite by other finer carbides, mainly mixed carbides containing elements with stronger affinity for carbon than iron. The method is especially simple if applied to steels with high contents of Si or Al (>1.3% and >0.4% respectively) where cementite growth is impaired. The method works also well for low cost plastic injection moulding and structural steels. Even some higher alloyed tool steels can benefit from, the present method.Type: ApplicationFiled: May 7, 2013Publication date: April 30, 2015Inventor: Isaac Valls Anglés
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Publication number: 20140178243Abstract: A hot work tool steel family with exceptional thermal difusivity, toughness (both fracture toughness and notch sensitivity resilience CVN—charpy V-notch) and trough hardenability has been developed. Mechanical resistance and yield strength at room and high temperatures (above 600° C.) are also high, because the tool steels of the present invention present a high alloying level despite the high thermal conductivity. Given the exceptional resistance to thermal fatigue and thermal shock, wear resistance can be severely increased for many applications requiring simultaneously resistance to thermal cracking and wear like is the case for some forging and some parts of die casting dies.Type: ApplicationFiled: March 3, 2014Publication date: June 26, 2014Applicant: ROVALMA, S.A.Inventor: Isaac Valls Anglés
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Patent number: 8663550Abstract: A hot work tool steel family with exceptional thermal diffusivity, toughness (both fracture toughness and notch sensitivity resilience CVN—charpy V-notch) and trough hardenability has been developed. Mechanical resistance and yield strength at room and high temperatures (above 600° C.) are also high, because the tool steels of the present invention present a high alloying level despite the high thermal conductivity. Given the exceptional resistance to thermal fatigue and thermal shock, wear resistance can be severely increased for many applications requiring simultaneously resistance to thermal cracking and wear like is the case for some forging and some parts of die casting dies.Type: GrantFiled: March 12, 2010Date of Patent: March 4, 2014Assignee: Rovalma, S.A.Inventor: Isaac Valls Anglés
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Publication number: 20140027270Abstract: The present invention develops dies, moulds, tools, workpieces and structures with active protection against corrosion (cathodic protection) in cooling circuits, often internal, independent of its complexity. Moreover, the protection can be renewed if considered appropriate. The protection is achieved through a thin coating layer which contains metallic elements more electronegative than the substrate to be protected and which is properly adhered to the mentioned substrate in order to ensure an efficient cathodic protection.Type: ApplicationFiled: March 29, 2012Publication date: January 30, 2014Applicant: ROVALMA, S.A.Inventor: Isaac Valls Anglés
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Publication number: 20140023551Abstract: A tool steel, in particular a hot-work steel, has the following composition: 0.26 to 0.55% by weight C; less than 2% by weight Cr; 0 to 10% by weight Mo; 0 to 15% by weight W; wherein the W and Mo contents in total amount to 1.8 to 15% by weight; carbide-forming elements Ti, Zr, Hf, Nb, Ta forming a content of from 0 to 3% by weight individually or in total; 0 to 4% by weight V; 0 to 6% by weight Co; 0 to 1.6% by weight Si; 0 to 2% by weight Mn; 0 to 2.99% by weight Ni; 0 to 1% by weight S; remainder: iron and inevitable impurities. The hot-work steel has a significantly higher thermal conductivity than known tool steels.Type: ApplicationFiled: September 26, 2013Publication date: January 23, 2014Inventor: Isaac Valls Angles
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Publication number: 20140000770Abstract: A tool steel family with outstanding thermal diffusivity, hardness and wear resistance has been developed, also exhibiting good hardenability. Also its mechanical strength, as well as its yield strength, at ambient and high temperature (superior to 600° C.) are high, due to a high alloying level in spite of the high thermal conductivity. Because of its high thermal conductivity and good toughness, steels of this invention have also good resistance to thermal fatigue and thermal shock. This steels are ideal for discontinuous processes where it is interesting to reduce cycle time and that require high hardness and/or wear resistance (plastic injection molding, other plastic forming processes and curing of thermosets, hot forming of sheet . . . ). These tool steels are also appropriate for processes requiring high wear resistance and good resistance to thermal fatigue (forging, hot stamping, light-alloy injection . . . ).Type: ApplicationFiled: January 13, 2012Publication date: January 2, 2014Applicant: ROVALMA, S.A.Inventor: Isaac Valls Anglés