| Patents for B22C 9 - Moulds or cores; Moulding processes (16,156) |
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| 10/17/1991 | WO1991015319A1 Lost wax process and mould structure therefor |
| 10/15/1991 | US5056306 Track assembly for track-laying vehicle |
| 10/15/1991 | US5056211 Method for the manufacture of a ball nut and screw spindle system |
| 10/15/1991 | CA1290717C Lost foam handling system |
| 10/09/1991 | CN1014213B Improved electroslag melting device for crankshaft blank |
| 10/08/1991 | US5054938 Hydrodynamic bearings having beam mounted bearing pads and sealed bearing assemblies including the same |
| 10/08/1991 | CA1290132C Feeder sleeves |
| 10/02/1991 | DE4009946A1 Multipart core for producing cylinder blocks etc. - with central core part made of two conical-shaped sections butting together at their central radial plane |
| 10/02/1991 | CN1014123B Compound shell-producing technology using silica-sol wash |
| 09/24/1991 | US5050665 Investment cast airfoil core/shell lock and method of casting |
| 09/24/1991 | CA1289421C Manufacturing method of metal moulds, having a high fusion temperature, through sputtering of said metal on a filled elastomeric silicone form |
| 09/19/1991 | WO1991012062A3 Filter |
| 09/19/1991 | DE4100994A1 Net-like structure for e.g. filtering casting metal - is woven from heat-resistant e.g. glass-fibre strands covered by dissipative film |
| 09/17/1991 | US5048591 Apparatus and method for use in casting |
| 09/11/1991 | EP0445355A2 Cylinder head casting apparatus and method |
| 09/04/1991 | EP0444394A2 Ceramic spray coating material |
| 09/03/1991 | US5044420 Vacuum-assisted, countergravity casting apparatus and method |
| 09/03/1991 | US5044419 Hollow post cylindrical sprue casting method |
| 09/03/1991 | CA1288210C Process for casting aluminum alloys |
| 08/29/1991 | DE4019433C1 Removal of flash and application of wash coating to foundry cores - comprising circulating cores in ring vibrator to which grinding medium contg. two types of grinding body is added |
| 08/27/1991 | US5043014 Thermoplastic paste for the production of foundry mold cores and a process for the production of such cores using said paste |
| 08/14/1991 | CN1053763A Method of controlling rate of heat extraction in mould casting |
| 08/13/1991 | US5039477 Powdered metal spray coating material |
| 08/13/1991 | US5038847 Evaporable foam pattern for use in casting a crankshaft |
| 08/13/1991 | CA1287470C Method for casting molten metal |
| 08/10/1991 | WO1991012062A2 Filter |
| 08/06/1991 | US5037070 Melt containment apparatus with protective oxide melt contact surface |
| 07/31/1991 | WO1991011280A1 Device for deburring foundry cores and similar workpieces |
| 07/31/1991 | CA2074817A1 Device for deburring foundry cores and similar workpieces |
| 07/30/1991 | US5035277 Counter gravity casting apparatus |
| 07/30/1991 | CA2035160A1 Ceramic spray coating material |
| 07/23/1991 | US5033712 Container for fusible materials |
| 07/23/1991 | US5033532 Die casting method |
| 07/23/1991 | US5033531 Casting of molten iron and filters for use therein |
| 07/23/1991 | US5033530 High pressure casting sand core and method of manufacturing the same |
| 07/23/1991 | CA1286469C Method for the manufacture of moulds |
| 07/17/1991 | EP0436678A1 Mandrel holds expendable core in casting die. |
| 07/17/1991 | EP0215783B1 Coating for molds and expendable cores |
| 07/16/1991 | US5031685 Internal combustion engine and method for making the same |
| 07/09/1991 | CA1285741C Method and apparatus for producing a cast-iron element and cast-iron element produced thereby |
| 07/03/1991 | EP0435812A2 Investment cast airfoil core/shell lock |
| 07/03/1991 | EP0434795A1 Process and device for hardening foundry cores |
| 07/03/1991 | CN1052622A Up running water type pouring system |
| 07/02/1991 | US5027878 Applying paste; molding; casting |
| 06/27/1991 | DE4023618C1 Prodn. of shaped hollow body with undercuts etc. - by forming on core, of salt, isostatically pressed and machined to shape, plasma-sprayed coating of ceramic of metallic material |
| 06/27/1991 | DE4001030C1 Cost-effective accurate mould resin - involves cutting of aluminium extrusion strips which are combined to form mould half with good surface finish |
| 06/13/1991 | DE4020126C1 Mfg. cast object used for e.g. jewellery or dental purposes - from precious metal alloy by lost wax process using pattern contg. uniformly dispersed grain refiner in wax and/or plastic |
| 06/12/1991 | EP0431770A2 Lost-foam Casting of dual alloy engine block |
| 06/12/1991 | EP0430992A1 Photocurable compositions and method of investment casting |
| 06/12/1991 | CN1052068A Figure moulding and replication technology |
| 06/04/1991 | US5021539 Alkaline benzylic ether phenolic resin binders |
| 06/04/1991 | US5020582 Method and apparatus for compacting foundry molding material in a foundry mold |
| 05/29/1991 | EP0429367A1 Method for making articles having a cavity by compression |
| 05/29/1991 | EP0428657A1 Synthesis of musical sounds by modal representation |
| 05/24/1991 | CA2003825A1 Reinforced ceramic passageway forming member |
| 05/22/1991 | EP0428478A1 Ceramic Filterbody with indicator for preheating |
| 05/21/1991 | US5016702 Method of producing open-celled metal structures |
| 05/15/1991 | CN1051319A Improvement to process for lost-foam casting under controlled pressure, of metal articles |
| 05/15/1991 | CN1051318A Moulding method for body shape and its device |
| 05/14/1991 | US5014764 Isostatic pressurization |
| 05/14/1991 | US5014763 Method of making ceramic cores |
| 05/14/1991 | US5014658 Piston assembly having a fusible core to form a cooling channel and a method for the manufacture thereof |
| 05/14/1991 | CA2025429A1 Mechanism and method for molding a hollow part |
| 05/14/1991 | CA1284014C Mold and manufacturing method for hollow cast product with bottom |
| 05/08/1991 | EP0426581A1 Process for the lost foam casting of metal pieces under controlled pressure |
| 05/07/1991 | US5013507 Memory alloys |
| 05/07/1991 | US5012857 Coated spheres |
| 05/07/1991 | CA1283768C Casting of molten ferrous metal and moulds for use therein |
| 05/07/1991 | CA1283767C Method and apparatus for casting articles |
| 05/03/1991 | CA2028435A1 Preheat indicator |
| 05/02/1991 | WO1991006386A1 Method of controlling the rate of heat extraction in mould casting |
| 05/02/1991 | CA2071902A1 Method of controlling the rate of heat extraction in mould casting |
| 05/01/1991 | CN1050999A Central casting pipe without processing |
| 05/01/1991 | CA2027974A1 Advancements to lost-foam casting process of metal parts under controlled pressure |
| 04/30/1991 | US5011398 Apparatus for lost foam molding and method of assembling same |
| 04/30/1991 | US5010945 Investment casting technique for the formation of metal matrix composite bodies and products produced thereby |
| 04/24/1991 | EP0423390A1 Process for fabricating moulds, shell-moulds, foundry patterns, core boxes etc., having a structured surface |
| 04/23/1991 | CA1283263C Method of fusion bonding low density thermoplastic bodies |
| 04/17/1991 | EP0423024A1 Method for fabricating moulds |
| 04/12/1991 | CA2027287A1 Mold forming method |
| 04/10/1991 | EP0421374A2 Manufacturing process of casted articles with superficial wear resisting layer and product realised with the process |
| 04/10/1991 | EP0421039A1 Lost foam pressure casting process for metal pieces |
| 04/09/1991 | US5005630 Process for producing foundry molds and cores from sand and a binder |
| 04/09/1991 | CA1282578C Procedure for the production of moulds, patterns and tools made from plaster-based and cement-based materials |
| 04/06/1991 | CA2026918A1 Method of impregnation of iron with a wear resistant material |
| 04/03/1991 | EP0420542A1 Cast bone ingrowth surface |
| 04/03/1991 | CN1012261B Locating device of casting pattern |
| 04/02/1991 | US5004545 Ceramic foam filter apparatus |
| 04/02/1991 | US5004037 Long span sprue tube for investment casting |
| 04/02/1991 | CA1282219C Method and apparatus for compacting granular moulding materials |
| 03/29/1991 | CA2026301A1 Cast bone ingrowth surface |
| 03/26/1991 | CA1281884C Method of making metal castings |
| 03/20/1991 | EP0417765A2 Method of producing porous mold |
| 03/20/1991 | CN1049991A Process for lost-foam casting, under pressure, of metal articles |
| 03/20/1991 | CN1049988A Moulding technology with compound water-glass sand for the casting base of enamal bathtub |
| 03/20/1991 | CN1049987A Riser pad |
| 03/19/1991 | US5000244 Lost foam casting of dual alloy engine block |
| 03/16/1991 | WO1991004118A1 Mold element construction and related method |
| 03/13/1991 | EP0182809B1 Phenolic resin-polysocyanate binder systems containing a phosphorous based acid |
| 03/12/1991 | US4999101 Preheat indicator |