| Patents for B22C 5 - Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose (2,031) |
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| 07/28/1999 | CN2330434Y Sand mill |
| 07/20/1999 | US5924473 Vibratory sand reclamation system |
| 07/14/1999 | CN2328452Y Aerator |
| 06/29/1999 | US5915833 Method and device for cooling foundry sand |
| 06/24/1999 | WO1999030855A1 A method of treatment of moulding sand |
| 06/02/1999 | DE19753254A1 Recovery of sand from resin bonded molds |
| 05/26/1999 | EP0917921A1 Method and apparatus for reclaiming core sand or mould sand |
| 05/12/1999 | EP0914882A1 Process for preparing molding sand for green sand mold |
| 05/12/1999 | CN1043315C Device for cleaning adhering material off of sand |
| 05/11/1999 | US5901775 For processing metal castings |
| 04/22/1999 | DE19847643A1 Monitoring of used foundry sand regeneration |
| 04/21/1999 | CN1214282A Process for preparing molding sand for green sand mold |
| 03/17/1999 | EP0901846A2 Pipe forming roll apparatus and method |
| 03/17/1999 | CN1210766A Machine frame for roller forming and forming method |
| 03/10/1999 | EP0900606A1 Apparatus for making mold |
| 01/12/1999 | US5857513 Aerator for vertical flaskless molding machine |
| 12/22/1998 | USRE36001 Sand mold member and method |
| 12/22/1998 | US5850866 Heat treatment of metal castings and in-furnace sand reclamation |
| 11/17/1998 | US5837373 Sand mold member and method |
| 11/17/1998 | US5836369 Process for reclaiming used foundry sand |
| 11/11/1998 | EP0876866A1 Method and apparatus for cold reclamation of foundry sand |
| 11/09/1998 | CA2236628A1 Method and apparatus for cold reclamation of foundry sand |
| 11/04/1998 | CN1197703A Spray solidification process of water glass sand mould using liquid curing-agent |
| 11/03/1998 | US5829509 Integrated system and process for heat treating castings and reclaiming sand |
| 10/07/1998 | CN2293405Y Spiral vibrating regeneration complete equipment |
| 10/06/1998 | US5816312 Method of and apparatus for reclaiming foundry sand |
| 09/29/1998 | CA2134590C Systems and processes for pyrolyzing contaminates on foundry sand and combusting the resulting gas |
| 09/17/1998 | DE19810273A1 Method for regeneration of moulding sand |
| 08/18/1998 | US5794865 Rotary crusher/reclaimer for reclaiming and reclassifying sand and related aggregates from lump materials |
| 08/11/1998 | US5791571 Cast sand aeration apparatus |
| 07/28/1998 | US5785107 Apparatus and method for producing multiple cores |
| 07/27/1998 | CA2196033A1 Apparatus and method for producing multiple cores |
| 07/15/1998 | CN1187396A Tower-type moulding sand cooler |
| 06/24/1998 | EP0849016A1 Two-stage heat treating, decoring, and sand reclamation system |
| 05/28/1998 | WO1998022240A1 Sand reclamation |
| 04/28/1998 | CA2046508C Process for the regeneration of used foundry sand |
| 04/23/1998 | DE19649782C1 Apparatus for filling cells with a quick hardening embedding material |
| 04/21/1998 | CA2093812C Fluidized bed apparatus and method using same |
| 04/15/1998 | EP0835704A1 Method of regenerating casting sand |
| 04/15/1998 | EP0612276B1 Heat treatment of metal castings and in-furnace sand reclamation |
| 04/09/1998 | WO1998014291A1 Sand core removal and casting heat treatment |
| 04/08/1998 | CN2277841Y All-through water-cooling thermal vibration screening box |
| 03/05/1998 | DE19635452A1 Strikingly-effective method accelerates wet mixing of e.g. bulk building materials and foundry sand |
| 02/12/1998 | DE19631788A1 Apparatus for thermal treatment of moulding sand |
| 01/13/1998 | US5706879 Process for the reclamation of used foundry sand |
| 01/06/1998 | CA2121047C Heat treatment of metal castings and in-furnace sand reclamation |
| 11/05/1997 | CN1163806A Non-toxic air-blowing hardening core-making method |
| 10/29/1997 | CN1036253C Forced press-kneading type sand reclamation installation |
| 10/07/1997 | US5675090 Method for measuring the amount of an active clayey component contained in molding greensand |
| 09/09/1997 | US5664699 Core sand preparation apparatus |
| 08/28/1997 | WO1997030805A1 System and process for reclaiming sand |
| 08/27/1997 | CN1157760A Dispersion device and method for bentonide dispersion |
| 08/13/1997 | CN2259243Y Resin bonded sand regenerator for foundry practice use |
| 07/24/1997 | WO1997026097A1 Method of regenerating casting sand |
| 07/09/1997 | EP0782893A1 Apparatus and method for producing multiple cores |
| 07/02/1997 | EP0781178A1 Apparatus for the regeneration of used foundry sand |
| 06/18/1997 | CN1152123A Method for measuring amount of active clayey component contained in molding greensand |
| 05/27/1997 | CA2085050C Fluidized bed apparatus |
| 05/21/1997 | CN1150071A Cast sand aeration apparatus |
| 05/07/1997 | CN1149008A Method and apparatus for adjusting gasting sand using optimum compactibility |
| 04/24/1997 | DE19539117A1 Furnace equipment for removal of moulding sand from aluminium castings and heat treatment of the castings |
| 04/09/1997 | EP0767019A1 Process and apparatus for regenerating foundry sand |
| 04/08/1997 | US5618223 Method and apparatus for recycling sand |
| 03/19/1997 | EP0762945A1 A method of improving the properties of reclaimed sand used for the production of foundry moulds and cores |
| 02/27/1997 | DE19530975A1 Furnace for the removal of mould sand from castings |
| 02/19/1997 | EP0758566A1 Cast sand aeration apparatus |
| 01/29/1997 | EP0755735A1 Rotary lump crusher/reclaimer for reclaiming and reclassifying sand and related aggregates from lump materials |
| 01/08/1997 | EP0752301A2 A method and apparatus for adjusting casting sand using the optimum compactibility |
| 01/08/1997 | CN2244443Y Mechanical dry sand reclaiming plant |
| 01/02/1997 | EP0552354B1 Device for the dry regeneration of used foundry sand |
| 12/27/1996 | EP0658131B1 Reclamation of ester-cured phenolic resin bonded foundry sands |
| 12/10/1996 | US5582231 Sand mold member and method |
| 10/30/1996 | EP0739666A1 Sand mold member and method |
| 10/23/1996 | EP0738855A1 Process for the treatment by combustion of solids of low calorific power |
| 10/22/1996 | US5567743 Reclamation of ester-cured phenolic resin bonded foundry sands |
| 10/16/1996 | EP0737530A1 Method for measuring the amount of an active clayey component contained in molding greensand |
| 10/15/1996 | US5565046 Combustion in oxygenated air, burning the binder, recovering the loose sands by fluidizing with air |
| 10/10/1996 | WO1996031331A1 Core sand preparation apparatus |
| 10/09/1996 | EP0736349A2 Method and apparatus for the cooling of moulding sand |
| 08/29/1996 | WO1996026027A1 Apparatus for the regeneration of used foundry sand |
| 08/29/1996 | DE19506539A1 Vorrichtung zum Regenerieren von Gießereialtsand Apparatus for regenerating foundry sand |
| 07/30/1996 | US5540270 Process for wet regeneration of granular bulk materials charged with impurities and pollutants |
| 07/18/1996 | DE19501046A1 Appts. for treating abrasive sands |
| 06/18/1996 | US5526937 Process for regenerating used foundry sand having high oolitic levels |
| 06/13/1996 | WO1996017702A1 Method of treating foundry dust and method of recycling the product thereof |
| 06/11/1996 | US5524982 Planetary centrifugal mixing apparatus having exchangeable centrifugal mixing blades |
| 05/28/1996 | US5520341 Apparatus for regenerating foundry sand |
| 05/14/1996 | US5515907 Method of and apparatus for regenerating foundry sand |
| 05/14/1996 | CA2021385C Apparatus for heat treating contaminated particulate material |
| 05/02/1996 | WO1996012580A1 Aerator assembly for vertical filling of molding machines |
| 04/17/1996 | EP0634960B1 Foundry sand regenerating process and device |
| 04/16/1996 | US5507715 Device for cleaning adhering material off of sand |
| 04/04/1996 | DE19536803A1 Method and appts. for regeneration of foundry sand |
| 03/13/1996 | CN1118290A Sand vibrating treatment for dewaxing mould casting |
| 03/06/1996 | CN2221455Y Impact sand mixer |
| 02/28/1996 | CN2220910Y Moulding sand bucket elevator |
| 01/11/1996 | DE19521979A1 Making waste dusts inert, esp. residues from foundry sand regeneration |
| 12/26/1995 | US5477909 Apparatus for the processing of foundry sands |
| 12/20/1995 | EP0687514A1 Process and apparatus for reclaiming sand |
| 11/30/1995 | DE4418345A1 Perforated Faraday cage incorporates permanent magnetic filter |