| Patents for B22C 9 - Moulds or cores; Moulding processes (16,156) |
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| 03/12/1991 | US4998581 Reinforced ceramic investment casting shell mold and method of making such mold |
| 03/07/1991 | DE4005824C1 Method of deburring foundry cores - has cores placed in ring vibrator and grinding bodies added to these |
| 03/06/1991 | EP0415872A2 Method for producing an implant having a surface covered at least partially by a metallic open-cell structure |
| 03/06/1991 | EP0415135A2 Method for manufacturing brake discs |
| 03/06/1991 | EP0415091A2 Countergravity casting using particulate filled vacuum chambers |
| 02/26/1991 | US4995443 Process for evaporative pattern casting |
| 02/26/1991 | CA1280575C Forming apparatus having catalyst introduction simultaneous with sand injection |
| 02/19/1991 | US4993475 Die for golf club head |
| 02/14/1991 | DE4007798C1 Hardening sand mould members - comprises mixing catalyst with carrier gas, mixing with sand, pressing sand, retrieving gas and hardening |
| 02/13/1991 | EP0412673A2 Ceramic foam filters |
| 02/12/1991 | CA1280068C Method and apparatus for producing a pressurised mixture of co2 and so2 , or the like |
| 02/12/1991 | CA1279975C Lost foam cluster design |
| 02/07/1991 | WO1991001189A1 Process and device for hardening foundry cores |
| 02/06/1991 | CN1048995A Moulding method and device with pure ice-film cold sand |
| 02/06/1991 | CN1011493B Overcoating sand for moltening mold casting and process for making shell therefrom |
| 02/05/1991 | US4989667 Shell moulds for casting metals |
| 02/05/1991 | US4989664 Core molding composition |
| 02/05/1991 | US4989661 Formation of foundry core blocks |
| 01/31/1991 | DE3908472C1 Process for producing mounts from metals for precious and semiprecious stones |
| 01/30/1991 | EP0410603A1 Casting of molten iron and filters for use therein |
| 01/30/1991 | EP0410586A2 Filters |
| 01/29/1991 | US4987944 Method of making a turbine engine component |
| 01/29/1991 | CA1279461C Mold for the continuous casting of beam blanks |
| 01/24/1991 | WO1991000787A1 Mandrel holds expendable core in casting die |
| 01/24/1991 | WO1991000786A1 Expendable casting core for a cylinder |
| 01/23/1991 | EP0409726A1 Method for fabricating foundry shell moulds |
| 01/23/1991 | CA2020628A1 Filters |
| 01/22/1991 | US4986333 Method of supporting a core in a mold |
| 01/17/1991 | CA2014197A1 Volatile liquid catalyst handling system including distribution cabinet (13516-ca) |
| 01/16/1991 | EP0293412B1 Casting funnel for molten metals |
| 01/16/1991 | CN1048514A Fluted roller casting process with shaped graphite ring |
| 01/16/1991 | CN1048513A Fluted roller casting process with shaped al-ring |
| 01/11/1991 | CA2019645A1 Expendable casting core for a cylinder |
| 01/09/1991 | CN1011125B Metallic-mould group-casting technology for mill ball |
| 01/08/1991 | US4983640 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 01/08/1991 | US4982919 Reversing device for movable parts of a railway switch |
| 01/03/1991 | DE4002815A1 Fired precision mould for high temp. shaping operations - contg. spinel-forming oxide(s) for mould vol. expansion |
| 01/02/1991 | EP0404838A1 Method and apparatus for evaporative pattern casting |
| 01/02/1991 | CN1048259A Making process of cast-iron boiler |
| 01/01/1991 | US4981168 Mandrel holds expendable core in casting die |
| 01/01/1991 | US4981167 Method of forming products by low turbulence, uniform cross section investment casting |
| 01/01/1991 | US4981166 Foundry paper riser and system therefor |
| 12/18/1990 | US4978452 Method for producing wax impregnated filters for investment casting applications |
| 12/18/1990 | US4977944 Core blowing machine |
| 12/11/1990 | CA1277795C Phenolic resin polyisocyanate binder systems containing a phosphorus based acid |
| 12/05/1990 | EP0400683A1 Powdered metal spray coating material, process for producing the same and the use thereof |
| 12/05/1990 | EP0400413A1 Casting die |
| 12/05/1990 | EP0400265A2 Method for manufacturing a ball deflector guide for a ball nut and a ball screw device |
| 12/05/1990 | CN2066776U Low-pressure casting mould for amplifier case |
| 12/05/1990 | CN1047473A Reinforced concrete bathtub module and making method |
| 12/04/1990 | US4975041 Die assembly for die casting a propeller structure |
| 12/04/1990 | US4974659 Cold box process for preparing foundry shapes which use acrylated epoxy resins |
| 11/28/1990 | EP0399727A1 Ceramic mould material |
| 11/28/1990 | EP0399071A1 Composite pipe having excellent corrosion resistance and mechanical properties to withstand high temperatures and high pressures |
| 11/28/1990 | EP0398888A1 Sand vibration and compaction apparatus and method |
| 11/28/1990 | CN1047233A Shape casting in mouldable media |
| 11/27/1990 | US4972897 Spiral sprue loop |
| 11/27/1990 | CA1276773C Process for preparing mold for investment casting having therewithin mold core |
| 11/20/1990 | US4971135 Lost foam casting apparatus |
| 11/20/1990 | US4971131 Countergravity casting using particulate filled vacuum chambers |
| 11/15/1990 | WO1990013889A1 Synthesis of musical sounds by modal representation |
| 11/15/1990 | WO1990013374A1 Shape casting in mouldable media |
| 11/14/1990 | EP0397481A2 Production of articles from curable compositions |
| 11/13/1990 | US4970125 Cantilevered integral airfoil casting and method |
| 11/13/1990 | US4969505 Vacuum bore chill for lost foam casting |
| 11/10/1990 | CA2032472A1 Process for the synthesis of musical sounds by modal representation |
| 11/08/1990 | DE3918731C1 Sprue and distribution system for mould mfr. - comprises sprue connected to upper and lower runners, etc. |
| 11/07/1990 | EP0396483A1 Process and device for supplying molten metal to a mould |
| 11/07/1990 | EP0395852A1 Countergravity casting apparatus and method |
| 10/31/1990 | CN1010192B Technology and equipment for machining the casting mould |
| 10/31/1990 | CN1010191B Complex patch on casting mould and its material and fabrication method |
| 10/30/1990 | US4966225 Ceramic shell mold for investment casting and method of making the same |
| 10/30/1990 | US4966220 Precipitation silicon upon cooling |
| 10/16/1990 | US4962909 Mold for dentistry |
| 10/11/1990 | WO1990011848A1 Process and device for screwing fragile parts |
| 10/11/1990 | CA2051421A1 Apparatus for joining parts with little strength and corresponding method |
| 10/10/1990 | CN1009904B Mould for injection on moulding |
| 10/09/1990 | US4961460 Moulds for metal casting and sleeves containing filters for use therein |
| 10/09/1990 | US4961459 Method of making an improved turbine engine component |
| 10/09/1990 | US4961458 Sand, resin binder, refractory coating, release coating, injection molding |
| 09/26/1990 | EP0389082A2 Alkaline benzylic ether phenolic resin binders |
| 09/25/1990 | US4958674 Full mold casting process and device |
| 09/21/1990 | WO1990011152A1 Conveying device for casting cores and moulds |
| 09/21/1990 | CA2049981A1 Conveying device for casting cores and moulds |
| 09/18/1990 | US4957153 Countergravity casting apparatus and method |
| 09/12/1990 | EP0387107A2 Method and apparatus for casting a metal |
| 09/12/1990 | EP0386384A1 Process for the lost foam casting under pressure of metal pieces |
| 09/11/1990 | US4955427 Placement of particulates onto refractory filters for liquid metals |
| 09/11/1990 | US4955423 Method of making a turbine engine component |
| 09/11/1990 | CA1273775A1 Coated refractory shapes useful in bottom pouring of ingot molds |
| 09/05/1990 | EP0269660B1 Process for casting molten metal |
| 09/05/1990 | CN1045126A Vent of blast furnace and method for making same |
| 09/05/1990 | CN1045048A Casting combining process for sand with hard moulds |
| 08/30/1990 | DE4006159A1 Verfahren und schaumstoff-formmodell zum formgiessen eines maschinenblocks Procedures and foam-form model for form pour a machine blocks |
| 08/29/1990 | EP0384775A2 Split dies for casting small segments of tire mold |
| 08/28/1990 | US4952371 For core-making in foundries; protection from toxic fumes |
| 08/28/1990 | US4951731 Process for washing a casting core |
| 08/23/1990 | DE3905235A1 Process and apparatus for the drying of dry articles, in particular alcohol-dressed foundry cores |
| 08/15/1990 | CN1009173B Continuous casting process and mould for metal ball |
| 08/14/1990 | US4947926 Investment compound for use in precision casting mold |