| Patents for B22C 7 - Patterns; Manufacture thereof so far as not provided for in other classes (3,230) |
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| 08/08/1989 | US4854366 Method of making a moulded article |
| 08/08/1989 | CA1258207A1 Method and apparatus for dip coating foam patterns |
| 08/02/1989 | EP0326095A2 Process for producing metallic castings by the full mold process |
| 07/18/1989 | US4848439 Porous wall, position gasifiable pattern, embedding in curable polymer mold and curing under vacuum |
| 07/04/1989 | US4844144 Investment casting utilizing patterns produced by stereolithography |
| 06/27/1989 | US4842243 Method and apparatus for molding golf club heads |
| 06/21/1989 | EP0321207A1 Process for preparing polycarbonate copolymer foam pattern suitable for lost foam casting, pre-expanded polymer beads therefor and method of forming said beads |
| 06/15/1989 | WO1989005204A1 Method for preparation of moulds and cores used in the casting of metals |
| 05/24/1989 | EP0317042A1 Expandable and expanded plastics material compositions and methods for casting metal castings employing such expanded compositions in molded form |
| 05/24/1989 | EP0316978A1 Moulding device with variable porosity for making foundry sand moulds, and method for its manufacture |
| 05/23/1989 | CA1254697A1 Method for producing metal castings |
| 05/10/1989 | EP0315087A1 Lining for the moulding chamber of flaskless moulding machines |
| 05/05/1989 | WO1989003737A1 Lining plate for the mould cavity of a boxless moulding machine |
| 05/05/1989 | WO1989003736A1 Heteroporous form tool for manufacturing casting moulds from moulding sand and process for its manufacture |
| 04/27/1989 | EP0277986A4 Methods for preparing a formed cellular plastic material pattern employed in metal casting. |
| 04/27/1989 | DE3735326A1 Device for fixing the pattern plate on a moulding machine |
| 03/30/1989 | DE3736967C1 Lining plate for the mould space of boxless moulding machines |
| 03/28/1989 | US4816199 Method of dimensionally stabilizing polystyrene patterns and the like |
| 03/23/1989 | DE3827963A1 Spritze fuer die herstellung von gussmodellen Syringe for the manufacture of cast models |
| 03/15/1989 | EP0307287A1 Mould and method for creating a foundy pattern |
| 03/09/1989 | WO1989001834A1 New refractory compositions and evaporative pattern casting process using same |
| 03/08/1989 | EP0305653A1 Foundry model and process for manufacturing a hollow cast piece |
| 02/21/1989 | US4806729 Laser wax joinery method and apparatus |
| 02/09/1989 | WO1989001010A1 Expandable and expanded plastics material compositions and methods for casting metal castings employing such expanded compositions in molded form |
| 02/08/1989 | EP0302616A2 Method of making a moulded article |
| 02/07/1989 | US4802447 Foam pattern for engine cylinder block |
| 01/03/1989 | US4794975 Anti-shift insert structure for matching components |
| 12/29/1988 | DE3720058A1 Vent nozzle for foundry moulds or dies, especially mould boxes and the like |
| 12/22/1988 | DE3802727C1 Process for producing metallic castings by means of full-mould casting |
| 12/20/1988 | CA1246831A1 Foam pattern for casting an air cooled cylinder head |
| 12/20/1988 | CA1246830A1 A device used for manufacture of frozen molds or molding cores |
| 12/13/1988 | US4790367 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 11/29/1988 | US4787435 Core box assembly with wear strip |
| 11/22/1988 | US4785870 Evaporative pattern casting process |
| 11/22/1988 | CA1245036A1 Method and apparatus to assemble lost foam patterns |
| 11/08/1988 | CA1244217A1 Method of joining foam patterns for evaporative casting process |
| 10/18/1988 | US4777997 Evaporable foam pattern for cylinder block of a two-cycle engine |
| 09/27/1988 | US4773466 Process for preparing polycarbonate copolymer foam suitable for lost foam casting |
| 09/21/1988 | EP0146541B1 Tooling for fabricating master models |
| 08/30/1988 | US4766942 Evaporative pattern assembly and method of making |
| 08/17/1988 | EP0277986A1 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 08/16/1988 | US4764328 Method of fusion bonding low density thermoplastic bodies |
| 08/16/1988 | US4763715 Process for preparing polycarbonate terpolymer foam suitable for lost foam casting |
| 07/27/1988 | CN86202960U Combined steel plate core box |
| 07/19/1988 | US4758613 Pattern material used for investment casting |
| 07/06/1988 | CN86105750A Method of fine art casting of wax die and portraits |
| 06/22/1988 | CN87210601U Metallic mould for airfoil shaped cast iron radiator |
| 05/17/1988 | US4744405 Device for locking core boxes on supporting plates of molding sand core-forming machines |
| 05/17/1988 | US4744404 Foundry sand blowing apparatus |
| 05/11/1988 | EP0266933A2 Method of dimensionally stabilizing polystyrene patterns |
| 05/05/1988 | WO1988003068A1 Method and apparatus for adhesive transfer |
| 05/03/1988 | US4741378 Sprue pin for producing castings |
| 04/12/1988 | US4737332 Plasticizing metallic or ceramic powders with binders; desportion without heating in liquid carbon dioxide; noncracking |
| 04/12/1988 | US4736786 Method for improving stength of gasifiable patterns |
| 03/22/1988 | US4732205 Moulding machine equipped with longitudinal laminating core boxes |
| 03/22/1988 | US4732204 Process for the preparation of ceramic cores |
| 03/02/1988 | EP0257814A2 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 03/02/1988 | EP0257166A1 Gas heating apparatus of core box for a moulding machine |
| 02/23/1988 | US4726412 Spraying melted metal on to surface of pattern of elastomeric silicone containing fine particles of refractory and curing |
| 02/11/1988 | WO1988000865A1 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 01/26/1988 | US4721149 Lost foam casting system with high yield sprue |
| 01/20/1988 | CN87104593A Core pinning machine |
| 01/07/1988 | EP0251982A2 Core pinning machine |
| 01/07/1988 | EP0179100B1 Process for producing cast components and pattern for use of this process |
| 01/07/1988 | DE3620971A1 Vent nozzle for foundry tools, in particular mould boxes etc. |
| 01/05/1988 | US4716953 Vent plug |
| 12/15/1987 | US4712589 Equipment for the handling of substances made fluid by heating, in particular wax for models |
| 12/10/1987 | DE3619170A1 Use of polystyrene foam as lost pattern in the production of metal castings |
| 12/08/1987 | US4711292 Core and shell shooter |
| 12/08/1987 | US4711288 Halide salt flux in mold pattern to reduce oxide defects |
| 12/01/1987 | US4710334 Method of preparing a template |
| 12/01/1987 | CA1229779A1 Metal cleaning |
| 11/19/1987 | EP0245995A1 Method of preparing a template |
| 11/19/1987 | DE3616049A1 Process for producing industrial patterns, moulds, dies, items of equipment and special tools |
| 11/04/1987 | EP0149211B1 Method for the production of lost casting patterns for full mould casting, out of expanded foam beads, preferably for the manufacture of mass-produced parts, and apparatus therefor |
| 11/03/1987 | CA1228711A1 Lost foam pattern assembly equipment |
| 10/27/1987 | CA1228466A1 Evaporative pattern assembly for use in sand casting |
| 10/20/1987 | US4700760 Investment casting mold base |
| 10/01/1987 | DE3611186A1 Device for processing modelling wax |
| 09/30/1987 | EP0238771A1 A moulding machine equipped with longitudinal laminating core boxes and U-shaped die plate |
| 09/22/1987 | US4694879 Process for producing castings |
| 09/16/1987 | EP0237400A1 Process for the preparation of ceramic cores |
| 09/08/1987 | US4691754 Destructible thermoplastic about insert |
| 09/01/1987 | US4690201 Lost foam mold pattern and associated method |
| 08/18/1987 | US4687178 Wax ring tube with graduations |
| 08/05/1987 | CN86108636A Impression materials |
| 07/30/1987 | DE3602049A1 Pattern for the manufacture of casting moulds |
| 07/29/1987 | CN86100398A Plastic coating impression mould making method for casting of artistic work replicas |
| 07/28/1987 | US4682643 Method of producing molded parts and casting pattern therefor |
| 07/09/1987 | DE3546188A1 Component for the production of a wax pattern tree |
| 07/07/1987 | US4678021 Method and an apparatus for replacing pattern plates in a moulding system |
| 07/01/1987 | EP0227308A2 Method of joining foam pattern members to form an assembly for use in an evaporative casting process |
| 07/01/1987 | EP0226924A1 Impression material |
| 06/19/1987 | DE3544071A1 Foundry moulding machine with heatable pattern arrangement |
| 06/16/1987 | US4673023 Multipart lost foam pattern and method of making same |
| 06/09/1987 | US4671339 Mold locking device for automatic mold making machine |
| 05/26/1987 | US4668607 Multilevel imaging of photopolymer relief layer for the preparation of casting molds |
| 05/06/1987 | CN85107885A Metal passage used in lost wax casting |
| 05/05/1987 | US4662426 Interlock forming member used in metal casting |
| 04/22/1987 | EP0219032A2 Method for producing metal castings |