Patents Assigned to Huettenes-Albertus Chemische Werke GmbH
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Publication number: 20220355366Abstract: A description is given of the use of an additive mixture (A) for combination with a solution or dispersion (B) comprising waterglass, for producing a moulding material mixture for producing articles from the group consisting of foundry moulds and foundry cores; a multi-component binder system comprising (A) an additive mixture and (B) a solution or dispersion comprising waterglass; a moulding material mixture comprising a mould base material (C) and also components (A) and (B) of such a multi-component binder system; a method for producing an article from the group consisting of foundry moulds and foundry cores; articles from the group consisting of foundry moulds and foundry cores; and the use of such an article for metal casting, preferably for light metal casting, more particularly for aluminium casting.Type: ApplicationFiled: June 15, 2020Publication date: November 10, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Julian Bernhardt, Klaus Seeger, Lukas Mirko Reinold
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Publication number: 20220280996Abstract: The invention relates to a method for producing an article for use in the foundry industry, selected from a group consisting of granular material for producing a pourable additive, a solid pourable additive, an inorganic binder, and a molding material mixture. The invention also relates to a corresponding granular material comprising particulate amorphous silica and to a kit for producing an inorganic binder. The invention also relates to an apparatus for carrying out the method according to the invention and to a corresponding use of particulate amorphous silica and to the corresponding use of a granular material.Type: ApplicationFiled: July 16, 2020Publication date: September 8, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Christian LUSTIG, Fabio SOLA, Lukas Mirko REINOLD
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Publication number: 20220226882Abstract: What is described is the use of a particulate material comprising, as its sole constituent or as one of multiple constituents, a particulate synthetic amorphous silicon dioxide having a particle size distribution with a median in the range from 0.1 to 0.4 ?m, determined by means of laser scattering, as additive for a molding material mixture at least comprising: a refractory mold base material having an AFS grain fineness number in the range from 30 to 100, particulate amorphous silicon dioxide having a particle size distribution with a median in the range from 0.7 to 1.5 ?m, determined by means of laser scattering, and water glass, for increasing the moisture resistance of a molding producible by hot curing of the molding material mixture. Also described are corresponding processes, mixtures and kits.Type: ApplicationFiled: May 14, 2020Publication date: July 21, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Lukas Mirko REINOLD, Christian LUSTIG, René VARGOVIC, Edgar MÜLLER
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Publication number: 20220177370Abstract: An insulating product for the refractory industry or an insulating material as intermediate for production of such a product, and a corresponding insulating material/insulating product are provided. Likewise the use of a matrix encapsulation process in the production of an insulating product for the refractory industry and a corresponding insulating product and/or an insulating material as intermediate for production of such a product are provided.Type: ApplicationFiled: January 28, 2022Publication date: June 9, 2022Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GmbHInventors: Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER, Jürgen HÜBERT, Fabio SOLA, Heike MUSHARDT
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Publication number: 20220169780Abstract: A description is given of a binder system, intended more particularly for use in a process from the group consisting of polyurethane cold-box processes and polyurethane no-bake processes.Type: ApplicationFiled: March 8, 2019Publication date: June 2, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Annika KLOSE, Daniel WINKELHAUS
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Use of a feeder insert and method for manufacturing a casting mold having a vertical mold separation
Patent number: 11130169Abstract: A use of a feeder insert, having a volumetric center of gravity which is offset in relation to the opening axis of the passage opening of said feeder insert, in the manufacture of a casting mold having a vertical mold separation and a feeder insert which for dense feeding of the mold cavity during the casting procedure is attached to the casting mold, is described, wherein the feeder insert is positioned in a prefabricated mold part of the casting mold such that the opening axis of said feeder insert runs below the volumetric center of gravity of the latter.Type: GrantFiled: February 6, 2020Date of Patent: September 28, 2021Assignees: CHEMEX FOUNDRY SOLUTIONS GMBH, HUETTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Lars Zumbusch, Claus Joachim, Guido Brieger, Michael Biemel -
USE OF A FEEDER INSERT AND METHOD FOR MANUFACTURING A CASTING MOLD HAVING A VERTICAL MOLD SEPARATION
Publication number: 20200171562Abstract: A use of a feeder insert, having a volumetric center of gravity which is offset in relation to the opening axis of the passage opening of said feeder insert, in the manufacture of a casting mold having a vertical mold separation and a feeder insert which for dense feeding of the mold cavity during the casting procedure is attached to the casting mold, is described, wherein the feeder insert is positioned in a prefabricated mold part of the casting mold such that the opening axis of said feeder insert runs below the volumetric center of gravity of the latter.Type: ApplicationFiled: February 6, 2020Publication date: June 4, 2020Applicants: CHEMEX FOUNDRY SOLUTIONS GMBH, HUETTENES-ALBERTUS Chemische Werke GmbHInventors: Lars Zumbusch, Claus Joachim, Guido Brieger, Michael Biemel -
Use of a feeder insert and method for manufacturing a casting mold having a vertical mold separation
Patent number: 10589346Abstract: A use of a feeder insert, having a volumetric center of gravity which is offset in relation to the opening axis of the passage opening of said feeder insert, in the manufacture of a casting mold having a vertical mold separation and a feeder insert which for dense feeding of the mold cavity during the casting procedure is attached to the casting mold, is described, wherein the feeder insert is positioned in a prefabricated mold part of the casting mold such that the opening axis of said feeder insert runs below the volumetric center of gravity of the latter.Type: GrantFiled: February 16, 2016Date of Patent: March 17, 2020Assignees: HUETTENES-ALBERTUS CHEMISCHE WERKE GMBH, CHEMEX FOUNDRY SOLUTIONS GMBHInventors: Lars Zumbusch, Claus Joachim, Guido Brieger, Michael Biemel -
Patent number: 10112235Abstract: An arrangement for use in the production of a separable casting mold, preferably of a vertically separable casting mold is disclosed. The arrangement can include (i) a mold plate and/or a mold pattern, (ii) a feeder system having a feeder element and having a feeder insert, wherein feeder element and feeder insert delimit a feeder cavity for receiving liquid metal. The arrangement also includes one or more tipping prevention elements which are designed to counteract tipping of the feeder system out of the opening axis about the first end of the feeder element when, in the event of the feeder system being acted on with a force acting parallel to the opening axis and in the direction of the first end, the side wall deforms and the spacing between the first and second ends is reduced, wherein the one or more tipping prevention element(s) are/is spaced apart from the opening axis.Type: GrantFiled: August 7, 2015Date of Patent: October 30, 2018Assignees: CHEMEX GMBH, HUETTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Nicolas Egeler, Michael Biemel, Heiko Schirmer
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Patent number: 10106462Abstract: Described is a two-component system, particularly for forming an adhesive, which is suitable, for example, for applications in the foundry industry and in the construction industry.Type: GrantFiled: December 19, 2014Date of Patent: October 23, 2018Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian Fourberg, Ditmar Baier
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Publication number: 20160311724Abstract: Described is a two-component system, particularly for forming an adhesive, which is suitable, for example, for applications in the foundry industry and in the construction industry.Type: ApplicationFiled: December 19, 2014Publication date: October 27, 2016Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian FOURBERG, Ditmar BAIER
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USE OF A FEEDER INSERT AND METHOD FOR MANUFACTURING A CASTING MOLD HAVING A VERTICAL MOLD SEPARATION
Publication number: 20160236270Abstract: A use of a feeder insert, having a volumetric center of gravity which is offset in relation to the opening axis of the passage opening of said feeder insert, in the manufacture of a casting mold having a vertical mold separation and a feeder insert which for dense feeding of the mold cavity during the casting procedure is attached to the casting mold, is described, wherein the feeder insert is positioned in a prefabricated mold part of the casting mold such that the opening axis of said feeder insert runs below the volumetric center of gravity of the latter.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Applicants: CHEMEX GmbH, HUETTENES-ALBERTUS Chemische Werke GmbHInventors: Lars ZUMBUSCH, Claus Joachim, Guido Brieger, Michael Biemel -
Publication number: 20160038996Abstract: An arrangement for use in the production of a separable casting mould, preferably of a vertically separable casting mould is disclosed. The arrangement can include (i) a mould plate and/or a mould pattern, (ii) a feeder system having a feeder element and having a feeder insert, wherein feeder element and feeder insert delimit a feeder cavity for receiving liquid metal. The arrangement also includes one or more tipping prevention elements which are designed to counteract tipping of the feeder system out of the opening axis about the first end of the feeder element when, in the event of the feeder system being acted on with a force acting parallel to the opening axis and in the direction of the first end, the side wall deforms and the spacing between the first and second ends is reduced, wherein the one or more tipping prevention element(s) are/is spaced apart from the opening axis.Type: ApplicationFiled: August 7, 2015Publication date: February 11, 2016Applicants: Huettenes-Albertus Chemische Werke GmbH, Chemex GmbHInventors: NICOLAS EGELER, Michael BlEMEL, Heiko SCHIRMER
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Patent number: 8845802Abstract: A refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting is disclosed. The refractory coating can have a proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: GrantFiled: December 18, 2013Date of Patent: September 30, 2014Assignee: Hüttenes-Albertus Chemische Werke GmbHInventors: Andreas Stefan Jattke, Thomas Linke, Klaus Seeger
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Patent number: 8771412Abstract: The present invention relates to a refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting, wherein the ready-to-use refractory coating has proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: GrantFiled: April 21, 2010Date of Patent: July 8, 2014Assignee: Hüttenes-Albertus Chemische Werke GmbHInventors: Andreas Stefan Jattke, Günter Thomas Linke, Klaus Seeger
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Publication number: 20140090306Abstract: This invention relates to a resin preparable by reaction of a phenol/formaldehyde novolak with tetraethyl orthosilicate in a mass ratio above 28:1, wherein the phenol of the phenol/formaldehyde novolak is substituted or unsubstituted hydroxybenzene or a mixture of two or more such phenols, and to a particulate material coated with said resin. Said particles can be used e.g. in the shell molding process for the production of shell molds and shell cores; and as proppants for use in the hydraulic fracturing process.Type: ApplicationFiled: April 20, 2012Publication date: April 3, 2014Applicant: Huettenes-Albertus Chemische Werke GmbHInventors: Nicolas Egeler, Marek Torbus, Milan Knezevic, Gee Ho Bae, Robert Laitar, Douglas Trinowski, Wolfgang Seelbach
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Publication number: 20140048740Abstract: The present invention relates primarily to a mixture that is suitable for use in the no-bake process for producing cores and moulds for the foundry industry, and a reaction mixture comprising said mixture and an acid hardener (i.e. an acid catalyst). The present invention further relates to a method of producing a mixture according to the invention and a method of producing a mould or a core. The invention also relates to a mould or a core for producing metal objects and a kit comprising a mixture according to the invention and certain acid hardeners. The invention further relates to the use of a mixture according to the invention as cold-setting binder and the use of said mixtures or reaction mixtures in a no-bake process for producing metal objects.Type: ApplicationFiled: December 16, 2011Publication date: February 20, 2014Applicant: HUETTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian Fourberg, Gérard Ladégourdie, Norbert Benz, Eckard Piech
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Patent number: 6465542Abstract: Two-component binder system with reduced release of aromatic compounds during foundry operations, the system consisting of a phenol resin component and a polyisocyanate component, the phenol resin component comprising a phenol resin having at least two OH groups per molecule and the polyisocyanate component comprising a polyisocyanate having at least two isocyanate groups per molecule, wherein at least the phenol resin component contains a solvent, and wherein at least one of the phenol resin component and the polyisocyanate component comprises a solvent selected from the group consisting of alkyl silicates, alkyl silicate oligomers and mixtures thereof.Type: GrantFiled: June 1, 2000Date of Patent: October 15, 2002Assignee: Hüttenes-Albertus Chemische Werke GmbHInventors: Marek Torbus, Gérard P. M. Ladégourdie, Dietmar Bartsch, Klaus Seeger
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Patent number: 4507408Abstract: This relates to a bonding agent which is used for the production of molded foundry parts and which is composed of two basic components which harden out cold in the mixture of the molded material in the presence of a catalyst under the formation of polyurethane. One basic component is a polyol in the form of a solution of a co-condensate containing an OH group consisting of phenol, aldehyde and an alkyl phenyl siloxane with a contents of at least 3% by weight in free OH groups, if applicable in mixture with a phenol aldehyde condensate containing an OH group, and the second basic component is a polyisocyanate likewise dissolved under normal conditions. Appropriately the solvent has a content in vegetable oils, preferably castor oil.Type: GrantFiled: October 4, 1983Date of Patent: March 26, 1985Assignee: Huettenes-Albertus Chemische Werke GmbHInventors: Marek A. Torbus, Aleksandar Vujevic