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| Number | Title | Issue Date |
| 8177900 | Compositions for use in making models Gypsum-based molding materials are customized by hydrating the molding material to workable (malleable) consistency with a moistening solution containing 0.001 to 60% polytetrafluoroethylene. The addition of latex results in a more flowable material. ... | 05/15/2012 |
| 8083845 | Obtaining process of additivated sodic bentonite for use in composition of green sand for molding of cast parts and resulting product Composition and process of a composition of additivated sodic bentonite through the addition of dextrin and sugar (saccharose), preferably refined sugar, or starch and sugar (saccharose), preferably refined sugar, in specific quantities during the process of calcic ... | 12/27/2011 |
| 7767014 | Castable mass reduced machinable mold material A mold material castable to provide a mass reduced work piece machinable to produced a mold and methods of utilizing such mold material to cast mass reduced work pieces machinable to produce a mold. ... | 08/03/2010 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7204065 | Cement render system A method for applying render to a substrate, said method including the steps of: securing a layer of confining mesh having a three-dimensional open cellular structure to the substrate; applying a base layer of cementitious material over the confining mesh; and scree... | 04/17/2007 |
| 7204296 | Method of removing a fugitive pattern from a mold A method is provided for removing a fugitive pattern, such as wax or other meltable pattern material, residing inside of a refractory mold by discharging condensable vapor such as steam inside the mold to contact and melt the pattern while an exterior of the mold is... | 04/17/2007 |
| 7128129 | Investment casting slurry composition and method of use A composition and method for forming investment casting shells includes using colloidal silica, zircon flour, and fused silica in a slurry which is applied to a pattern. After the slurry is applied to the pattern, it is allowed to partially or completely solidify. A... | 10/31/2006 |
| 7098269 | Compression molded inorganic fiber articles, and methods and compositions used in molding same A method of forming articles made of an inorganic fiber material using compression molding. In one respect, a method of forming an article, wherein the method includes providing a molding composition comprising inorganic fiber and an inorganic binder, and compressio... | 08/29/2006 |
| 7022178 | Binding agent, core sand mixture and a method for producing the same A binding agent system based on water glass is disclosed, comprising an aqueous alkali silicate solution having the general composition: xSiO2·yM2O ·zH2O, with M standing for the alkali ions Li+, K+, or Na | 04/04/2006 |
| 7011522 | Methods of producing dental restorations using CAD/CAM and manufactures thereof Ceramic precursor powders are combined with a binder and pressed into blocks or similar shapes to form green bodies. The ceramic powders consist of fairly uniform particles thoroughly dispersed to be essentially free of agglomerates such that it will sinter predicta... | 03/14/2006 |
| 6972059 | Exothermic feeder An exothermal feeder mass is described, containing aluminum and magnesium, at least one oxidizing agent, a SiO2-containing filler, and an alkali silicate as the binder; it is characterized in that it contains roughly 2.5 to 20% by weight of a reactive alu... | 12/06/2005 |
| 6942725 | Inorganic paint composition The invention provides a transparent and tenacious coating film using an inorganic paint composition prepared by adding a borate salt into an alkali metal silicate, and further mixing thereto lepidoblastic transparent silica with a thickness of 0.01 to 0.5 μm and a... | 09/13/2005 |
| 6918956 | Binder for aggregate, foundry cores, and other products A foundry mold and the method of making it is disclosed and claimed. Black liquor is extracted from a pulping process and used as a resin which when combined with an aggregate forms a foundry mold, foundry core or a briquette. The black liquor can be combined with a... | 07/19/2005 |
| 6881258 | Mixture for the production of a high-expansion stone die The present invention refers to a mixture comprising alpha CaSO4×½ H2O, CaSO4×2 H2O, a combination of a hardening accelerator, a hardening retarder and a setting expansion inhibitor, and optionally a surfactant. ... | 04/19/2005 |
| 6866803 | Mold for use in slip casting method, and method of manufacturing open porous body for use in mold A slip casting mold includes a water absorption layer having self water absorption capability and substantial water resistance. With the water saturation percentage of the water absorption layer being controlled, a slurry layer is deposited in the slip casting mold ... | 03/15/2005 |
| 6784397 | Mold release and anti-blocking coating for powder-free natural of synthetic rubber articles The present invention is directed to a release composition for molds and formers used in the production of natural and synthetic latex articles. The release coating contains a water-borne, high Tg polymer formed from at least one hydrophobic monomer and at least one... | 08/31/2004 |
| 6699314 | Mold releasing agent for centrifugal casting mold A mold releasing agent suitable for easily casting a cylindrical cast member which is superior in adhesion on cast parts at low cost, is provided. A mold releasing agent for a centrifugal casting mold comprises a binder, a heat insulating agent, and a foa... | 03/02/2004 |
| 6514446 | Colored articles and compositions and methods for their fabrication This invention provides improved methods and compositions for achieving material coloration using particle scattering. These coloration effects can be designed to be either highly stable or dependent upon the switching effects of either temperature, integ... | 02/04/2003 |
| 6495084 | Molding facilitator and use thereof Dispersions of waxes in water are now widely used as molding aids, mold release agents, and the like but often leave troublesome residues that can not be easily washed away with water. This problem can be avoided by use instead of a solution in water of c... | 12/17/2002 |
| 6248284 | Process for preparing particles covered with a layer of water glass and articles comprising such covered particles The invention relates to a process for preparing free flowing particles covered with a layer of water glass, comprising the steps of: (a) providing a mixture containing particles to be covered, water and 0.1-5% by weight water glass, calculated on the bas... | 06/19/2001 |
| 6218461 | Silicone composition curing at room temperature and the use thereof A silicone composition curing at room temperature by condensation, which is suitable especially as a dental molding composition. The silicone composition consists of the a) base paste containing a filler and polyorganosiloxane having hydroxy groups, b) an... | 04/17/2001 |
| 6013125 | Investment of powders and method for rapid preparation of investment molds The present invention relates to improved investment powders for use in making improved investment molds for casting metals, and the use of such molds with vacuum and/or either conventional, convection conduction or microwave heating apparatus, to rapidly... | 01/11/2000 |
| 5884688 | Methods for fabricating shapes by use of organometallic ceramic precursor binders This invention relates to the discovery of organometallic ceramic precursor binders used to fabricate shaped bodies by different techniques. Exemplary shape making techniques which utilize hardenable, liquid, organometallic, ceramic precursor binders incl... | 03/23/1999 |
| 5840434 | Thermal stress relaxation type ceramic coated heat-resistant element and method for producing the same A ceramic coated heat-resistant element comprises a heat resisting alloy base mainly composed of Ni and/or Co and a heat-resistant coating layer provided on the surface of the base and is characterized in that said heat-resistant coating layer comprises a... | 11/24/1998 |
| 5837047 | Heat curable binder systems and their use This invention relates to heat cured binder systems comprising as separate Parts: Part I comprising (a) a soluble source of silica, (b) an alcohol, and preferably (c) a surfactant; and Part II comprising an alkali aluminate. The binder systems are mixed w... | 11/17/1998 |
| 5807951 | Pharmaceutical composition regulating function of a living body The present invention provides silicate polymers which regulate the function of a living body by restoring and normalizing the lowered cell functions due to diseases. The silicate polymers are preferably water soluble. The molecular weight of the polymers... | 09/15/1998 |
| 5743953 | Heat curable alumino-silicate binder systems and their use This invention relates to heat curable alumino-silicate binder systems comprising as three separate parts (1) a soluble source of silica, (2) a caustic solution of an alkali silicate, and (3) aluminum silicate, and an alcohol which may be incorporated int... | 04/28/1998 |
| 5739369 | Water-soluble surface treating agents A surface treating agent comprising a reaction product of (A) a fluoroalkyl group-containing alkoxysilane with (B) an amino group-containing alkoxysilane and optionally further with (C) an alkyl group-containing alkoxysilane is water soluble. The agent is... | 04/14/1998 |
| 5718749 | Dental gypsum bonded investment composition A dental gypsum bonded investment composition comprising 100 parts by weight of a mixture comprising (a) -hemihydrate gypsum as a binder and (b) quartz and/or cristobalite as a refractory material, and optionally, (c) one or more aggregates selecte... | 02/17/1998 |
| 5656195 | Moldings containing silica aerogel particles and their preparation In moldings which have a density of from 0.1 to 0.4 g/cm3 and contain silica aerogel particles which have a mean diameter dm of from 0.001 to 8 mm and are bonded to one another by means of at least one organic or inorganic binder, th... | 08/12/1997 |
| 5651816 | Cement, cement products, molding material, concrete member and a method of producing the same Cement comprising hydraulic cement and polymer precursor such as alcohol-soluble phenol resin precursor that is substantially anhydrous and generates water by polymerization.... | 07/29/1997 |
| 5611848 | Process for preparing refractory molded articles and binders therefor This invention provides a process for preparing a refractory molded article comprising the steps of (a) forming a molded article matrix from an aggregate and the first binder, (b) impregnating the molded article matrix formed in step (a) with the second b... | 03/18/1997 |
| 5603759 | Stable, cement-bonded, overhead sprayed insulating mixes and resultant linings A pulverulent mix, sprayable when mixed with a liquid for forming a stable, cement-bonded insulating refractory which can be sprayed onto vertical and overhead surfaces without deformation, comprising a lightweight and/or dense refractory aggregate, a cal... | 02/18/1997 |
| 5569320 | Process for preparing refractory molded articles and binders therefor This invention provides a process for preparing a refractory molded article comprising the steps of (a) forming a molded article matrix from an aggregate and the first binder, (b) impregnating the molded article matrix formed in step (a) with the second b... | 10/29/1996 |
| 5470651 | Mandrel for use in nickel vapor deposition processes and nickel molds made thereform Mandrels for use in the manufacture of nickel shells by vapour deposition of nickel from gaseous nickel carbonyl. The mandrels comprise a body formed of a composite material of a matrix, for example, a ceramic material or an organic polymeric compound, an... | 11/28/1995 |
| 5468285 | Ceramic core for investment casting and method for preparation of the same There is disclosed a core mix and a method of fabricating the core for use in investment casting. The core composition comprises an acid soluble borate binder in a high percentage by weight of the composition. A refractory selected from period three nitri... | 11/21/1995 |
| 5407001 | Yttria-zirconia slurries and mold facecoats for casting reactive metals The disclosure describes an aqueous ceramic slurry having from about 70-weight percent to about 85 weight-percent of a fused yttria-zirconia material. The weight percent of zirconia in the fused yttria-zirconia preferably varies from about 1.0 weight perc... | 04/18/1995 |
| 5382289 | Inorganic foundry binder systems and their uses This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate components: (A) mono-aluminum phosphate in an aqueous solution containing specified phosphoric acids, and (B) magnesium oxide; and c... | 01/17/1995 |
| 5328879 | Binding and plasticizing agent for preparing carbon-containing, refractory, ceramic materials and material prepared therewith The present invention pertains to a binding and plasticizing agent for preparing refractory materials, in which the binding agent contains a synthetic resin, a phosphate, and a surface-active agent.... | 07/12/1994 |
| 5296027 | Single-component alkali metal silicate cement composition The invention relates to a dry, surfactant-free single-component alkali metal silicate cement composition containing as hardening agent condensed aluminum phosphate and at least one compound from the group comprising the ortho- and pyrophosphates of manga... | 03/22/1994 |
