Patents
Patents for B22C 1 - Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds (4,753)
08/1990
08/01/1990CN1044245A Production of modified polyvinyl alcohol adhesive used in casting and its uses
07/1990
07/25/1990CN1008887B New hydrolyzing-casting process in which fireproof powder is used as disperser to disperse ethylsilicate and no organic solvent is used
07/18/1990EP0377996A1 Phenolic resins
07/17/1990US4942217 Hexamethylenetetramine as a hardener with an acid, molding materials
07/12/1990WO1990007477A1 Refractory composition ready for hardening and its preparation
07/12/1990WO1990006904A3 Phenolic resins
07/11/1990EP0377308A1 Phenolic resins
07/11/1990CN1008698B Additive for silicate sand
07/04/1990EP0376432A2 Lithium-containing resole composition for making a shaped refractory article and other hardened articles
07/03/1990US4939188 Improved tensile and compressive strength
07/03/1990US4938802 Spodumene and mullite, for metal casting
06/1990
06/28/1990WO1990006962A1 Modified silicate composition and production of sand mold therefrom
06/28/1990WO1990006904A2 Phenolic resins
06/28/1990WO1990006903A1 Phenolic resins
06/28/1990CA2006648A1 Heat-resisting composition, secondary and composite binders for use in said composition and mixing method for same
06/22/1990CA2006224A1 Phenolic resin compositions
06/21/1990DE3939613A1 Verbesserungen bei hohlformen Improvements in hollow form
06/13/1990EP0372180A2 Ceramic system
06/13/1990DE3841473A1 Moulding sand for foundry purposes
06/13/1990CN1042854A Accessory material of foundry core sand
06/06/1990CN1008243B Composite type binding material for casting
06/05/1990CA1270084A1 Mixture for the production of acid-resistant sealing materials and impregnating materials, a process for their preparation and their use
05/1990
05/30/1990EP0370751A2 Shell moulds for casting metals
05/29/1990US4929649 Phenolic resins, amino resins, foundries
05/29/1990US4929648 Alkaline phenolic resole resin binders
05/22/1990US4927688 Cast-iron element
05/22/1990US4927673 Rapid technique for making improved laminar ceramic shell molds using a phosphate modified aluminum salt binder
05/17/1990WO1990005155A1 Polyurethane-forming foundry binders containing a polyester polyol
05/16/1990CN1042102A Special compound sand for casting
05/09/1990CN1041895A Mould material for cast steel and iron
05/02/1990CN1041715A Heat-retaining repair for cast steel parts and technology thereof
04/1990
04/30/1990CA2001869A1 Polyurethane-forming foundry binders containing a polyester polyol
04/24/1990US4920161 Room temperature curable
04/24/1990US4919193 Mold core for investment casting, process for preparing the same and process for preparing mold for investment casting having therewithin said mold core
04/18/1990EP0363568A2 Binder systems and processes using these for decarburisation free from coal dust for the production of bentonite bonds and glass cores
04/18/1990EP0363385A1 Modifiers for aqueous basic solutions of phenolic resole resins.
04/18/1990CN1041300A Productive method of sand core for investment casting
04/12/1990DE3918857A1 Binder for sand cores and moulds esp. for light metal casting
04/11/1990EP0362486A2 Moulding materials
04/10/1990CA1267505A1 Molding medium method for making same and evaporative pattern casting process
04/05/1990WO1990003235A1 Material, molding elements and method for producing them
03/1990
03/28/1990EP0359763A1 Modular expandable housing arrangement for electronic apparatus
03/22/1990WO1990002773A1 Foundry binder systems based upon acrylated epoxy resins and epoxy resins
03/22/1990WO1990002616A1 Foundry binder systems based upon acrylated epoxy resins and epoxy resins
03/14/1990EP0357885A2 Precursor of pyrolytic carbon
03/08/1990WO1990002007A1 Material for mold and process for forming mold using same
03/07/1990CN1007043B Method for producing modified organic water-glass bonder
02/1990
02/28/1990CN1006985B Preparation of soya-oil dregs-based synthetic adhesive and its technology
02/21/1990CN1039747A Method of enhancing thickness of cast cemented alloy layer
01/1990
01/24/1990CN1038958A Binder for heat-insulating plates and its preparation method
01/24/1990CN1006527B Sodium silicate sand collapsing agent
01/24/1990CN1006526B Amorphous graphite sand
01/11/1990DE3822601A1 Foam for use in the process for producing metal castings by means of cavityless casting
01/03/1990CN1006284B Technique of water-soluble sintering core for aluminum alloy casting
12/1989
12/27/1989EP0348210A2 High strength epoxy tooling compositions
12/20/1989CN1006123B Molding by freezing
12/05/1989US4884620 Containing salt to increase tensile strength
11/1989
11/29/1989EP0343401A2 Investment casting mould
11/16/1989WO1989010819A1 Silicate binders
11/15/1989EP0342036A1 Silicate binders
11/09/1989DE3832370A1 New ceramic mixtures suitable for the production of moulds and cores which can be washed out with water
11/02/1989EP0339183A2 Ceramic compositions for manufacturing water soluble cores and moulds
10/1989
10/31/1989US4877078 Organometallic compound added to reduce formation of solid carbon
10/24/1989US4876294 Foundry binder systems based upon acrylated epoxy resins and epoxy resins
10/11/1989EP0336534A1 Compositions for foundry molding processes utilizing reclaimed sand
10/11/1989EP0336533A2 Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin
10/05/1989WO1989009106A1 Coated expendable cores for die casting dies and dies and castings therefrom
09/1989
09/27/1989EP0334077A1 Method for recovering refractory compositions from investment casting shell molds
09/27/1989CN1035783A Production method of metallic moulds
09/26/1989CA1260777A1 Refractory laminate composition and process for preparing a refractory composition
09/19/1989US4867228 Selectively reduced or oxidized monosaccharide or oligosaccharide derivatives
09/19/1989US4867225 Sand cores with resin binder; pressure resistance
09/05/1989US4862948 Phenolic resin adhesive pastes, assemblies prepared therefrom, and processes for preparing cast metal articles using these pastes
08/1989
08/30/1989EP0330307A2 Phenolic resin adhesive pastes, assemblies prepared therefrom, and processes for preparing cast metal articles using these pastes
08/24/1989WO1989007626A1 Low solids polyurethane-forming foundry binders for cold-box process
08/24/1989WO1989007497A1 Foundry resins
08/23/1989CN1034874A Lost pattern for production of full mold made of plastic foam material, particularly expanded polystyrene
08/23/1989CN1034873A Complex patch on casting mould and its material and fabrication method
08/16/1989EP0328452A1 Process for manufacturing ceramic foundry cores
08/16/1989EP0327851A2 Method for recovering casting refractory compositions from investment casting slurries and from cores
08/15/1989US4858070 Modular expandable housing arrangement for electronic apparatus
08/08/1989US4854367 Refractory compositions and evaporative pattern casting process using same
08/02/1989EP0326095A2 Process for producing metallic castings by the full mold process
08/01/1989US4852636 Process for preparing foundry shapes and castings utilizing certain polyurethane binders
08/01/1989US4852629 Cold-box process for forming foundry shapes which utilizes certain carboxylic acids as bench life extenders
07/1989
07/27/1989WO1989006576A1 Phenolic resin compositions and their use in foundry binders
07/26/1989CN1004877B Phenolic resin-polyisocyauate adhisive system
07/25/1989US4851457 Foundry resins
07/19/1989EP0324579A2 Foundry moulding composition
07/19/1989EP0323962A1 Polyurethane-forming binder compositions containing certain carboxylic acids as bench life extenders
07/18/1989US4848443 Using phenolic resin binder
07/18/1989US4848442 Curable modified phenolic resin
07/11/1989US4847309 Method for making foundry sand containing a resin binder
07/11/1989US4847308 Cyclopentadiene polymers, curable, molds for metals
07/05/1989EP0323096A2 Production of articles of bonded particulate material and binder compostions for use therein
07/05/1989EP0207944B1 Method of squeeze forming metal articles
07/04/1989US4844148 Cristobalitic shell-mould for casting, the products and the process used for preparing the said mould
06/1989
06/20/1989US4840219 Meltable water soluble salts and non-reactive refractory particles
06/15/1989WO1989005204A1 Method for preparation of moulds and cores used in the casting of metals
06/07/1989EP0319162A2 Improvements relating to binders
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