| Patents for B22C 7 - Patterns; Manufacture thereof so far as not provided for in other classes (3,230) |
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| 01/30/2000 | CA2278986A1 Sprayforming bulk deposits of allotropic metal |
| 01/27/2000 | DE19833594A1 Cast steel camshaft, especially an i.c. engine camshaft for rolling contact valve operation, has an internal cavity and is produced by a lost foam casting technique |
| 01/26/2000 | EP0973621A1 Making heat-exchanging cast metal forming tool |
| 01/26/2000 | CN2360191Y Mould for mfg. multiangle conical pipe fitting |
| 01/26/2000 | CN1242271A Method for mfg. mould for pressing leather with imitated skin pattern |
| 01/13/2000 | WO2000001502A1 Lost foam pattern casting method and fiber reinforced coating |
| 01/05/2000 | EP0968062A1 Method of constructing fully dense metal molds and parts |
| 12/28/1999 | US6007280 Production method of pattern for casting |
| 12/28/1999 | US6006818 Lost casting pattern |
| 12/22/1999 | CN1239448A Method of using thermally reversible material to form ceramic molds |
| 12/22/1999 | CN1047545C Section mould assembly of closed impeller and method for making sand mould of closed impeller by said assembly |
| 12/21/1999 | US6003756 Airfoil for gas a turbine engine and method of manufacture |
| 12/21/1999 | US6003754 Airfoil for a gas turbine engine and method of manufacture |
| 12/16/1999 | WO1999064188A1 Method and device for directly producing an investment casting mold for castings made of metal |
| 12/09/1999 | DE19825448A1 Verfahren und Vorrichtung zum direkten Herstellen einer verlorenen Gießform für Gußstücke aus Metall Method and apparatus for directly producing a lost mold for metal castings |
| 12/08/1999 | CN1237492A Equipment for circulating box containing model for making mold under reduced pressures |
| 12/07/1999 | US5996682 Method of making a mold for metal casting |
| 12/02/1999 | DE19846129C1 Reproducing scaled copies of original objects |
| 12/02/1999 | DE19822572A1 Method for producing molds and castings |
| 11/23/1999 | US5989675 Cored form surface pattern structure |
| 11/23/1999 | US5988303 Gauge face inlay for bit hardfacing |
| 11/17/1999 | CN2348955Y Double-end wax injector |
| 11/17/1999 | CN1235623A Aqueous gel-filled thermoplastic pattern-forming compositions and related methods |
| 11/16/1999 | US5983982 Investment casting with improved as-cast surface finish |
| 11/10/1999 | EP0852760A4 Method for controlled porosity three-dimensional modeling |
| 11/09/1999 | US5979537 Wax replica and soluble core insert used for producing hollow jewelry ring |
| 10/27/1999 | CN1232731A Metal form apparatus and method for producing thin mold |
| 10/14/1999 | WO1999051378A1 Method and apparatus for assembling a pair of members |
| 10/14/1999 | CA2325555A1 Method and apparatus for assembling a pair of members |
| 10/06/1999 | EP0946309A2 Production process for casting steel-bodied bits |
| 10/05/1999 | US5960851 Method of lost foam casting of aluminum-silicon alloys |
| 09/15/1999 | EP0941784A1 Method of making a mold for metal casting |
| 09/14/1999 | US5950703 Making master model by processing wax-like substance consisting of saturated chain hydrocarbon having a weight ratio of carbon to hydrogen of 5.839-6.018, covering model with mold material, dewaxing, pouring molten metal into cavity |
| 09/14/1999 | US5950702 Aqueous coating formed from water, refractory particles and organic polymer on a nonvolatile solids basis, whereby lustrous carbon is reduced when casting iron |
| 09/08/1999 | EP0939682A1 Process for manufacturing axle bridge housings |
| 09/07/1999 | US5947179 Sprayforming bulk deposits of allotropic metal |
| 08/31/1999 | US5944948 Apparatus for assembling a pair of members |
| 08/26/1999 | DE19806972A1 Production of snap link hooks for jewelry chains |
| 08/25/1999 | CN1226470A Method of producing metal casting |
| 07/28/1999 | CN1223914A Process for making mould by wax injection |
| 07/27/1999 | US5927373 Method of constructing fully dense metal molds and parts |
| 07/21/1999 | EP0929605A1 Aqueous gel-filled thermoplastic pattern-forming compositions and related methods |
| 07/20/1999 | US5924502 Steel-bodied bit |
| 07/15/1999 | DE19749592A1 Wax or plastic stem for rational production of pattern tree for investment casting |
| 07/14/1999 | EP0928651A1 Process for producing parts, in particular prototypes |
| 07/13/1999 | US5921309 Production process of wax pattern |
| 07/13/1999 | CA2259114A1 Process for producing structural elements |
| 06/29/1999 | US5916271 Hollow jewelry ring having inner round design |
| 06/23/1999 | EP0924008A1 Rapidly forming complex hollow shapes using lost wax investment casting |
| 06/22/1999 | CA2254505A1 Rapidly forming complex hollow shapes using lost wax investment casting |
| 06/17/1999 | WO1999029451A1 Method of using lost metal patterns to form ceramic molds |
| 06/17/1999 | CA2313228A1 Method of using lost metal patterns to form ceramic molds |
| 06/15/1999 | US5911267 Cope with bore for gassing cores |
| 06/08/1999 | US5909765 Method of producing investment castings for stereolithography patterns |
| 05/25/1999 | US5906781 Method of using thermally reversible material to form ceramic molds |
| 05/25/1999 | US5906234 Method of making a textured pattern for investment casting |
| 05/18/1999 | US5904212 Gauge face inlay for bit hardfacing |
| 04/29/1999 | WO1999020431A1 Airfoil for a gas turbine engine and method of manufacture |
| 04/29/1999 | WO1998057766A9 Method for producing a silicon casting mold |
| 04/29/1999 | CA2340007A1 Airfoil for a gas turbine engine and method of manufacture |
| 04/28/1999 | CN1214975A Hardening agent inner percolation sand-mould casting method |
| 04/27/1999 | US5897592 Implantable articles with as-cast macrotextured surface regions and method of manufacturing the same |
| 04/27/1999 | US5896663 Process for making jewelry utilizing a soft photopolymer |
| 04/14/1999 | EP0831979B1 Core support for a metal casting |
| 04/13/1999 | US5893204 Production process for casting steel-bodied bits |
| 03/25/1999 | WO1998057766A3 Method for producing a silicon casting mold |
| 03/23/1999 | US5884686 Cast nodes and patterns for their production |
| 03/17/1999 | EP0901850A1 Glue-based method for bonding synthetic pyrolysable materials used in lost pattern casting |
| 03/17/1999 | EP0901849A1 Model and method for fabricating same |
| 03/16/1999 | US5881795 Method of casting metal around gems to form articles of jewelry |
| 03/03/1999 | EP0899038A1 Process for lost foam casting of aluminium with coated pattern |
| 02/09/1999 | US5868192 Method of casting bangle parts |
| 02/03/1999 | CN2306092Y Mould for making cast-iron pipe fitting by using cast-iron pipe |
| 01/21/1999 | DE19722854C1 Cast angle pieces for the outer conductor of gas-insulated pipe conductor installation |
| 01/14/1999 | DE19832399A1 Mould for fibre workpiece materials |
| 01/13/1999 | CN2303696Y New structure of wax mould of superlarge wood-bar and ball-arm head |
| 01/12/1999 | US5857512 Jewelry models and an improved jewelry model produced therefrom |
| 01/07/1999 | DE19728113A1 Producing a workpiece prototype |
| 01/05/1999 | USH1769 Optimized recursive foundry tooling fabrication method |
| 12/29/1998 | US5853044 Method of casting an article |
| 12/23/1998 | WO1998057766A2 Method for producing a silicon casting mold |
| 12/22/1998 | US5850867 Method of making cores with molding sand |
| 11/29/1998 | CA2205961A1 Method and means for the production of original models for the jewelry and related arts fields and their reproduction in metal castings of a selected thickness |
| 11/24/1998 | US5839499 One-shot multi-color gold casting apparatus and casting tree |
| 11/10/1998 | US5832981 Construction and method of making heat-exchanging cast metal forming tool |
| 10/28/1998 | EP0873803A1 Production process of wax pattern |
| 10/28/1998 | EP0873209A1 Method for producing hollow article and article produced thereby |
| 10/28/1998 | CN2295544Y Core box for multiple hole topless assembled cores for casting screen plates |
| 10/15/1998 | WO1998023402A3 Production process for casting steel-bodied bits |
| 10/07/1998 | CN1194894A Method for forming mould structure |
| 10/01/1998 | DE19726112C1 Production of silicone rubber moulds used for widely ranging materials including metals |
| 09/24/1998 | WO1998041340A1 Making heat-exchanging cast metal forming tool |
| 09/24/1998 | CA2284609A1 Making heat-exchanging cast metal forming tool |
| 09/23/1998 | EP0865348A1 Method of making a three-dimensional object |
| 09/22/1998 | US5811476 Aqueous gel-filled thermoplastic pattern-forming compositions and related methods |
| 09/16/1998 | EP0863805A1 A method for producing a model for use in the manufacture of a multisection mould and a method for the manufacture of such multisection mould |
| 09/09/1998 | EP0862505A2 Making a metal shape by casting |
| 09/09/1998 | EP0639116B1 Cast nodes and patterns for their production |
| 09/08/1998 | US5803156 Method of making catalyst cured resin-coated sand cores |
| 08/13/1998 | WO1998034744A1 Method of constructing fully dense metal molds and parts |