A polyurethane system for use as a binder in producing foundry molds and cores in metal casting, especially in a “cold box” process, has a polyol component with one or more polyols having at least two OH groups per molecule, with at least one phenol resin, and an isocyanate component. Particularly, the isocyanate component includes a reaction product of at least one cyclic amine with at least one polyisocyanate having at least two NCO groups per molecule. Each cyclic amine is characterized as an amine having at least one NH— group and from four to six carbon atoms. Examples of the cyclic amine include ε-caprolactam and/or 3,5-dimethylpyrazole. Observed advantages include better humidity resistance and improved mold release properties.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
2.
ESTERS OF EPOXIDIZED FATTY ACIDS IN FURFURYL ALCOHOL BINDERS
A binder system for metal casting has a reactive furan resin, furfuryl alcohol, and a plasticizer that includes an epoxidized fatty acid. The reactive furan resin is a resin modified with phenolic resole, present at from about 18 wt.% to about 22 wt.%, based on the weight of the binder system. The plasticizer may include plant seed oil, such as soybean oil, linseed oil, rapeseed oil, cottonseed oil, sunflower oil and mixtures thereof, present at between about 4 wt.% to about 9 wt.%, based on the weight of the binder system. The furfuryl alcohol and the plasticizer are collectively present in an amount ranging from about 75 wt.% to about 85 wt.%, based on the weight of the binder system. Silane may also be present in an amount from about 0.1 wt.% to about 0.5 wt.%, based on the weight of the binder system.
B22C 1/20 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 1/24 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of oily or fatty substancesCompositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of distillation residues therefrom
C04B 26/10 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
A binder system for metal casting has a reactive furan resin, furfuryl alcohol, and a plasticizer that includes an epoxidized fatty acid. The reactive furan resin is a resin modified with phenolic resole, present at from about 18 wt. % to about 22 wt. %, based on the weight of the binder system. The plasticizer may include plant seed oil, such as soybean oil, linseed oil, rapeseed oil, cottonseed oil, sunflower oil and mixtures thereof, present at between about 4 wt. % to about 9 wt. %, based on the weight of the binder system. The furfuryl alcohol and the plasticizer are collectively present in an amount ranging from about 75 wt. % to about 85 wt. %, based on the weight of the binder system. Silane may also be present in an amount from about 0.1 wt. % to about 0.5 wt. %, based on the weight of the binder system.
B22C 1/24 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of oily or fatty substancesCompositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of distillation residues therefrom
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
4.
SMOKE-SUPPRESSING ADDITIVE FOR POLYURETHANE-FORMING BINDER SYSTEM
A sand additive for use in a “no bake” foundry mix composition having a polyurethane-based binder system reduces the amount of smoke emitted when molds and cores formed from the composition are exposed to molten metal, as compared to when the sand additive is not used. The sand additive comprises yellow iron oxide having the chemical formula Fe(OH)3. It can also comprise at least one of red iron oxide, black iron oxide and wüstite. In such cases, the yellow iron oxide accounts for about 10 to about 40 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite, and preferably, about 20 to about 30 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite.
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
5.
BORIC ACID AS A CURING ADJUVANT IN A WARM BOX PROCESS
Boric acid is used as an adjuvant for the liquid catalyst used to cure furan-based binder systems for forming a foundry mold in a "warm box" process. The binder system comprises furfuryl alcohol, a furan resin, and a furan monomer or oligomer containing at least two terminal hydroxymethyl groups. The binder system also comprises a latent acid curing catalyst and the boric acid. The boric acid improves tensile strength of the foundry mix as well as through cure of the binder.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/16 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents
B22C 9/02 - Sand moulds or like moulds for shaped castings
B22C 9/10 - CoresManufacture or installation of cores
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
6.
Halloysite clay as smoke-reducing additive for polyurethane-forming binder system
An amount of a halloysite clay, used as an additive in a foundry mix composition having a polyurethane-based binder system, reduces the amount of smoke emitted when molds and cores formed from the composition are exposed to molten metal, as compared to when the halloysite clay is not used.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
7.
HALLOYSITE TUBES IN ESTER-CURED PHENOLIC BONDED FOUNDRY SHAPES
A no bake process is provided for preparing a foundry shape. A major amount of an appropriate foundry aggregate, especially a sand that has been mechanically-reclaimed, is mixed with an amount of halloysite tubes. A binder system, especially a water-based binder, such as an aqueous alkaline phenolic resole resin, is added to the mixed aggregate and halloysite, and a liquid co-reactant for curing the binder is also added. By intimately mixing the components, a foundry molding compound is formed and it can be placed into a mold or pattern to cure into a foundry shape. When removed from the mold or pattern, the foundry shape can be used to cast molten metal.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
8.
Halloysite tubes in ester-cured phenolic bonded foundry shapes
A no bake process is provided for preparing a foundry shape. A major amount of an appropriate foundry aggregate, especially a sand that has been mechanically-reclaimed, is mixed with an amount of halloysite tubes. A binder system, especially a water-based binder, such as an aqueous alkaline phenolic resole resin, is added to the mixed aggregate and halloysite, and a liquid co-reactant for curing the binder is also added. By intimately mixing the components, a foundry molding compound is formed and it can be placed into a mold or patter to cure into a foundry shape. When removed from the mold or pattern, the foundry shape can be used to cast molten metal.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
An amount of a halloysite clay, used as an additive in a foundry mix composition having a polyurethane-based binder system, reduces the amount of smoke emitted when molds and cores formed from the composition are exposed to molten metal, as compared to when the halloysite clay is not used.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/02 - Sand moulds or like moulds for shaped castings
B22C 9/10 - CoresManufacture or installation of cores
10.
HALLOYSITE CLAY AS SMOKE-REDUCING ADDITIVE FOR POLYURETHANE-FORMING BINDER SYSTEM
An amount of a halloysite clay, used as an additive in a foundry mix composition having a polyurethane-based binder system, reduces the amount of smoke emitted when molds and cores formed from the composition are exposed to molten metal, as compared to when the halloysite clay is not used.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/02 - Sand moulds or like moulds for shaped castings
B22C 9/10 - CoresManufacture or installation of cores
11.
Erosion resistant foundry shapes prepared with an epoxy-acrylate cold-box binder
Casting of non-ferrous metals, especially aluminum and magnesium, can have problems with erosion, in which molten metal contacts the mold or core surfaces during the pouring process, resulting in the sand being dislodged. Binder systems addressing this issue often use bisphenol F epoxy resin. A binder system is provided in which a major portion of the epoxy resin component is a bisphenol epoxy resin that has been modified by incorporating oxazolidone rings into an epoxy backbone of the bisphenol epoxy resin, especially a bisphenol A epoxy resin. The modification is preferably achieved by reacting the diglycidyl ether of the bisphenol with a methylene diphenyl diisocyanate.
C08F 283/10 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polymers containing more than one epoxy radical per molecule
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
A release agent is disclosed for use with an organic binder system used in metal casting. The binder system has a Part I component including an epoxy resin and a free radical initiator and a Part II component having an epoxy resin and an acrylate, where the Part I and Part II components are kept separate until the time of use. The release agent will typically have a molecular weight in the range of 150 to 160, with eight to ten carbon atoms. Two examples of the epoxide are pinene oxide and decene-1 oxide, each of which is effective as an internal release agent when present in the binder for a cold box process in the range of about 0.15% to about 1% of the total weight of the Part I and Part II components.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 7/00 - PatternsManufacture thereof so far as not provided for in other classes
C08G 59/20 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the epoxy compounds used
C08G 59/32 - Epoxy compounds containing three or more epoxy groups
C08G 59/36 - Epoxy compounds containing three or more epoxy groups together with mono-epoxy compounds
C08G 59/38 - Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
A sand additive for use in a "no bake" foundry mix composition having a polyurethane-based binder system reduces the amount of smoke emitted when molds and cores formed from the composition are exposed to molten metal, as compared to when the sand additive is not used. The sand additive comprises yellow iron oxide having the chemical formula Fe(OH)3. It can also comprise at least one of: red iron oxide, black iron oxide and wüstite. In such cases, the yellow iron oxide accounts for about 10 to about 40 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite, and preferably, about 20 to about 30 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
33. It can also comprise at least one of: red iron oxide, black iron oxide and wüstite. In such cases, the yellow iron oxide accounts for about 10 to about 40 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite, and preferably, about 20 to about 30 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
3. It can also comprise at least one of red iron oxide, black iron oxide and wüstite. In such cases, the yellow iron oxide accounts for about 10 to about 40 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite, and preferably, about 20 to about 30 weight percent of the combined weight of the yellow iron oxide, red iron oxide, black iron oxide and wüstite.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
A liner protects an interior surface of a chute that transfers workable foundry molding mix from a mixer to a machine for molding and hardening. The liner has an upper border portion and body portion. The upper border portion secures the liner to an upper portion of the chute. The body portion has at least one panel of a flexible material and is sized and adapted to line the interior surface of the chute. The liner also has a plurality of apertures through the upper border portion for attaching the upper border portion to the upper portion of the chute. The flexible material of the body portion is a woven fabric with polymeric fibers and, optionally, a polymeric coating.
Systems and methods for identifying market share and sales potential are provided. Data is retrieved from databases with sales revenue potential and forecasted sales revenue of a company. Retrieved data is categorized to reflect user input indicating a type of market share analysis to be performed. The categorized data is provided at a graphical representation comprising a bar for each category. A first portion of the bar reflects a total value of the potential sales revenue and a second portion of the bar reflects the forecasted sales revenue such that relative market share may be quickly assessed.
Chutes and funnels as a part of foundry machinery for
facilitating the transfer of casting materials into core
machines; assemblies for use with foundry machinery, namely,
chutes and funnels for use with foundry mixers; chutes and
funnels for use with core shooting machines in the foundry
industry; flexible feed chutes and funnels for use with
foundry machinery.
20.
Interactive map displaying potential sales targets within a geographical distance to visiting sales representatives
Systems and methods for facilitating effective sales are provided. A database contains location and potential revenue data for a plurality of sales targets. A graphical user interface (“GUI”) is generated at an electronic display for a mobile device. The GUI includes a map with selectable icons representing sales targets, displayed at their respective locations, within a distance of the location of the mobile device.
(1) Chutes and funnels as a part of foundry machinery for facilitating the transfer of casting materials into core machines; assemblies for use with foundry machinery, namely, chutes and funnels for use with foundry mixers; chutes and funnels for use with core shooting machines in the foundry industry; flexible feed chutes and funnels for use with foundry machinery.
Chutes and funnels for use with foundry equipment, namely, chutes and funnels for facilitating the transfer of casting materials into core machines; assemblies for use with foundry machinery, namely, chutes and funnels for use with foundry mixers; chutes and funnels for use with core shooting machines in the foundry industry; flexible feed chutes and funnels for use with foundry equipment
A filter element, useful for filtering molten metals and the like, is made from a precursor or template (10) having at least two layers (20). Each layer is assembled from three-dimensional geometric cages (22), joined in fixed relationship to each other: Some embodiments include a peripheral member (26) that encompasses the layer. In such cases, spacer members (28) can span the peripheral members to hold the layers in fixed spaced-apart relationship. In other embodiments, at least some of the cages in adjacent layers can be joined in fixed relationship, providing the spaced-apart relationship. The cages can be built from linear segments of a material joined in a pattern based on the edges of the geometric solid. The template may be formed by an automated technique, such as three-dimensional printing. If manufactured from a polymer, the precursor is coated with a ceramic slurry and calcined to provide the filter element.
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
C22B 9/02 - Refining by liquating, filtering, centrifuging, distilling or supersonic wave action
B28B 7/34 - Moulds, cores, or mandrels of special material, e.g. destructible materials
B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
C04B 38/06 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by burning-out added substances
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
Defects can arise in a product of a metal casting process from reactions occurring at a metal-mold interface. A method that reduces the defects uses an organic binder system by introducing a separate third component to a two-part polyurethane-based binder system used in the cold box or no bake process. The third part is added only after the first two parts are mixed with a refractory molding material to provide a shapeable foundry mix. The third part is an alkyl silicate, such as tetraethyl orthosilicate (“TEOS”), an alkyl orthoformate, such as trimethyl orthoformate (TMOF) or triethyl orthoformate (TEOF), or combinations thereof.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/02 - Sand moulds or like moulds for shaped castings
B22C 1/20 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents
Filters for foundry use, namely, filters for molten metal
filtration apparatus. Ceramic shapes for use in refractory furnaces; ceramic
filters for non-metal casting molds for use in the metal
casting process in the foundry industry.
A molding material mixture for producing casting molds for metal processing, particularly for non-ferrous metals, such as aluminum or magnesium, is intended to reduce problems such as metal-mold reaction and/or shrinkage porosity defect. The free-flowing refractory molding material in the molding material mixture is coated with a mixture of inorganic salts exhibiting a eutectic melting point in the range of about 400 C to about 500 C, particularly in the range of about 420 C to about 460 C. Preferably this coating occurs by contacting the inorganic salt mixture with the molding material mixture at a temperature between 500 C and 700 C, in a manner that maintains the free-flowing nature of the coated product. One mixture of inorganic salts that is used is a mixture consisting of, by weight: 74% potassium fluoroborate; 15% potassium chloride; and 12% potassium fluoride. This mixture has a eutectic melting point of 420 C.
B22C 1/08 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for decreasing shrinkage of the mould, e.g. for investment casting
A molding material mixture for producing casting molds for metal processing, particularly for non-ferrous metals, such as aluminum or magnesium, is intended to reduce problems such as metal-mold reaction and/or shrinkage porosity defect. The free-flowing refractory molding material in the molding material mixture is coated with a mixture of inorganic salts exhibiting a eutectic melting point in the range of about 400 C to about 500 C, particularly in the range of about 420 C to about 460 C. Preferably this coating occurs by contacting the inorganic salt mixture with the molding material mixture at a temperature between 500 C and 700 C, in a manner that maintains the free-flowing nature of the coated product. One mixture of inorganic salts that is used is a mixture consisting of, by weight: 74% potassium fluoroborate; 15% potassium chloride; and 12% potassium fluoride. This mixture has a eutectic melting point of 420 C.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 9/02 - Sand moulds or like moulds for shaped castings
A molding material mixture for producing casting molds for metal processing, particularly for non-ferrous metals, such as aluminum or magnesium, is intended to reduce problems such as metal-mold reaction and/or shrinkage porosity defect. The free-flowing refractory molding material in the molding material mixture is coated with a mixture of inorganic salts exhibiting a eutectic melting point in the range of about 400 C to about 500 C, particularly in the range of about 420 C to about 460 C. Preferably this coating occurs by contacting the inorganic salt mixture with the molding material mixture at a temperature between 500 C and 700 C, in a manner that maintains the free-flowing nature of the coated product. One mixture of inorganic salts that is used is a mixture consisting of, by weight: 74% potassium fluoroborate; 15% potassium chloride; and 12% potassium fluoride. This mixture has a eutectic melting point of 420 C.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 9/02 - Sand moulds or like moulds for shaped castings
A binder system for a molding material mixture is useful when low emissions of aromatic solvents are required. The binder system has two components that are packaged separately, for combination at use. The first component has a polyol base resin with at least two -OH groups per molecule and an alkyl alcohol, having from two to five carbon atoms, as a solvent. The second component has a polyisocyanate with at least two - NCO groups per molecule. The alkyl alcohol may be anhydrous ethanol and the first component is substantially devoid of aromatic hydrocarbon solvents. The second component will typically consist essentially of diphenylmethane diisocyanate (MDI) with less than 0.1 % of a bench life extender. The first component may contain at least one fatty acid methyl ester and at least one dibasic ester. The binder system may be used for practicing either a "cold-box" or a "no-bake" method.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
Goods & Services
(1) Sleeves made of refractory materials for use in the casting and molding process in the foundry industry; insulating riser sleeves for use in the casting and molding process in the foundry industry; exothermic riser sleeves for use in the casting and molding process in the foundry industry; refractory materials in a preformed shape for use in the casting and molding process in the foundry industry; pouring cups made of refractory materials for use in the casting and molding process in the foundry industry; exothermic and insulating refractory lining for use in making cores and molds
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Synthetic resins used as foundry sand binders and general foundry binder use; Synthetic resins for use in making cores and molds in the foundry industry
A filter element, useful for filtering molten metals and the like, is made from a precursor or template (10) having at least two layers (20). Each layer is assembled from three-dimensional geometric cages (22), joined in fixed relationship to each other: Some embodiments include a peripheral member (26) that encompasses the layer. In such cases, spacer members (28) can span the peripheral members to hold the layers in fixed spaced-apart relationship. In other embodiments, at least some of the cages in adjacent layers can be joined in fixed relationship, providing the spaced-apart relationship. The cages can be built from linear segments of a material joined in a pattern based on the edges of the geometric solid. The template may be formed by an automated technique, such as three-dimensional printing. If manufactured from a polymer, the precursor is coated with a ceramic slurry and calcined to provide the filter element.
(1) Filters for foundry use, namely, filters for molten metal filtration machines
(2) Ceramic shapes for use in refractory furnaces; Ceramic filters for non-metal casting molds for use in the metal casting process in the foundry industry
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
Goods & Services
sleeves made of non-metal refractory materials for use in the castings and molding process in the foundry industry; riser sleeves made of non-metal refractory materials with exothermic or insulating properties, for use in making cores and molds fired refractory materials not of metal in preformed shapes for use in the casting of metal in the foundry industry; pouring cups made from non-metal refractory materials for use in the casting of metal in the foundry industry; pre-formed shapes of non-metal, fired refractory materials, with exothermic or insulating refractory lining for use in making cores and molds
A binder system for refractory materials used in sand casting processes, especially two-part polyurethane-based binder systems used in the cold box or no bake process, has less metal-mold reaction when a separate third part is used. The third part is an alkyl silicate, such as tetraethyl orthosilicate ("TEOS"), an alkyl orthoformate, such as trimethyl orthoformate (TMOF) or triethyl orthoformate (TEOF), or combinations thereof.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/02 - Sand moulds or like moulds for shaped castings
C08G 18/18 - Catalysts containing secondary or tertiary amines or salts thereof
Filters for foundry use, namely, filters for molten metal filtration apparatus Ceramic shapes for use in refractory furnaces; Ceramic filters for non-metal casting molds for use in the metal casting process in the foundry industry
A sleeve (10) allows flow against gravity of molten metal into a casting mold. The sleeve has a sleeve body (20) with a longitudinal axis that defines a flow conduit for the metal. A check valve (30) is positioned in the flow conduit, arranged for limited axial movement in the sleeve between a closed position and an open position, although it is operatively positioned to be in the closed position in the absence of the pressurized metal. The check valve has a spool (32) with an internal flow conduit, a top end of the conduit blocked by an end cap (40). Flanges (36, 38) on the spool provide the limited axial movement in the sleeve. When lifted into the open position, metal flows into the spool flow conduit and through a porous structure of the spool, causing laminar flow and filtering inclusions.
A “no-bake” process allows the forming of larger metal castings, by providing longer work times, in the range of about 45 to about 60 minutes. This is achieved using a liquid curing catalyst that is a pyridine, substituted at the second or third position with a moiety having a molecular weight in the range of about 30 to about 100 mwu. Examples of the liquid curing catalyst include 2-ethanolpyridine, 3-chloropyridine and 2-methoxypyridine. When combined with a two-part polyurethane binder precursor and a foundry aggregate, the liquid curing catalyst provides not only the longer work time, but also a strip time that is less than about 167% of the work time, as measured from the point of activating the polyurethane precursors by mixing them in the presence of the curing catalyst.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/72 - Polyisocyanates or polyisothiocyanates
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Foundry binding products, namely, chemical additives for increasing reclaimed sand yields; chemicals to be added to sand for reclamation of the sand after use as a foundry mold or core; chemical additives for sand for increasing reclaimed sand yields during mold making; chemical additives for increasing reclaimed sand yields
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Adhesives for use in industry, namely in the foundry and metal castings industry; synthetic resins for use in making cores and molds in the foundry industry.
Disclosed is a foundry mix containing a carbonate salt and its use to make foundry shapes by the warm-box, hot-box, no-bake, and cold-box process, the use of these foundry shapes to make metal castings, and the metal castings prepared by the process.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 9/02 - Sand moulds or like moulds for shaped castings
52.
Foundry mixes containing sulfate and/or nitrate salts and their uses
Disclosed is a foundry mix containing a sulfate and/or nitrate salt and its use to make foundry shapes by the warm-box, hot-box, no-bake, and cold-box process, the use of these foundry shapes to make metal castings, and the metal castings prepared by the process.
B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
The invention relates to microspheres coated with a phenolic novolak resin, a process for preparing them, and their use in making foundry shapes, e.g. molds, cores, sleeves, pouring cups, etc., which are used in casting metal parts.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
54.
Process for casting a part from a pour of molten metal into a mold assembly
This invention relates to filters made from a refractory material, preferably an insulating material, and chemical binder. The filters are used in the foundry industry to filter molten metal. The invention also relates to a process for preparing the filters.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
(1) Chemical compositions for use as core and mold washes in the cast and mold making processes in the metal casting and foundry industries; refractory coating compositions for use in the cast and mold making processes in the metal casting and foundry industries.
This invention relates to a process for making foundry shapes (e.g. cores and molds) using epoxy-acrylate cold-box binders containing an oxidizing agent and elevated levels of an organofunctional silane, which are cured in the presence of sulfur dioxide, and to a process for casting metals using the foundry shapes. The metal parts have fewer casting defects because the foundry shapes made with the binder are more resistant to erosion.
B22C 3/00 - Selection of compositions for coating the surfaces of moulds, cores, or patterns
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
The invention relates to microspheres coated with a phenolic novolak resin, a process for preparing them, and their use in making foundry shapes, e.g. molds, cores, sleeves, pouring cups, etc., which are used in casting metal parts.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
REFRACTORY COATING COMPOSITIONS FOR INDUSTRIAL USE AS WASHES FOR FOUNDRY MOLDS AND CORES TO IMPROVE THE SURFACE FINISH OF FOUNDRY MOLDS AND CORES TO PREVENT CASTING DEFECTS SUCH AS METAL PENETRATION, EROSION, GAS AND VEINING DURING THE CASTING PROCESS
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
Goods & Services
(1) Sleeves made of refractory materials for use in the casting and molding process in the foundry industry; insulating riser sleeves and exothermic riser sleeves for use in the casting and molding process in the foundry industry; pouring cups made of refractory materials for use in casting and molding process in the foundry industry; and exothermic or insulating refractory lining for use in making cores and molds; non-metal sleeves made of refractory materials for use in the casting and molding process in the foundry industry.
SAND REPLACEMENTS, NAMELY CERAMIC MATERIALS AND CERAMIC MATERIALS BLENDED WITH EXOTHERMIC MATERIALS, FOR USE IN THE CASTING AND MOLD MAKING PROCESS IN THE FOUNDRY INDUSTRY
(1) Sand replacement comprised of refractory materials blended with exothermic materials for use in the casting and mold making process in the foundry industry.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
Goods & Services
(1) Sleeves made of refractory materials for use in the casting and molding process in the foundry industry; insulating riser sleeves and exothermic riser sleeves for use in the casting and molding process in the foundry industry; refractory materials in a preformed shape for use in the casting and molding process in the foundry industry; pouring cups made of refractory materials for use in the casting and molding process in the foundry industry; and exothermic or insulating refractory lining for use in making cores and molds.
(2) Non-metal sleeves made of refractory materials for use in the casting and molding process in the foundry industry.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
11 - Environmental control apparatus
Goods & Services
(1) Synthetic resin binders and chemical activators for use in the manufacture of sand molds or cores, and equipment for the manufacture of sand molds or cores used in the foundry industry, components thereof: namely, gassing boxes, scrubbers and gas generating equipment.
(2) Synthetic resin binders and chemical activators for use in the manufacture of sand molds or cores.
(3) Machines for the manufacture of sand molds or cores used in the foundry industry and parts thereof comprising gassing boxes, scrubbers and gas generators.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
VOLATILE AMINE CATALYST FOR INDUSTRIAL USE AND A CHEMICAL SOLUTION THROUGH WHICH A GAS STREAM IS BUBBLED OR OTHERWISE PASSED WHICH OPERATES TO ABSORB OR OTHERWISE REMOVE ONE OR MORE COMPONENTS FROM SAID STREAM
